Merge tag 'irqchip-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core

Pull irqchip updates from Marc Zyngier: - Add support for the STM32MP13 variant - Move parent device away from struct irq_chip - Remove all instances of non-const strings assigned to struct irq_chip::name, enabling a nice cleanup for VIC and GIC) - Simplify the Qualcomm PDC driver - A bunch of SiFive PLIC cleanups - Add support for a new variant of the Meson GPIO block - Add support for the irqchip side of the Apple M1 PMU - Add support for the Apple M1 Pro/Max AICv2 irqchip - Add support for the Qualcomm MPM wakeup gadget - Move the Xilinx driver over to the generic irqdomain handling - Tiny speedup for IPIs on GICv3 systems - The usual odd cleanups Link: https://lore.kernel.org/all/20220313105142.704579-1-maz@kernel.org
author: Thomas Gleixner 2022-03-14 10:23:22 +0100
committer: Thomas Gleixner 2022-03-14 10:23:22 +0100
commit: f0fae8a0edd445d042ee94153f127e8939fcf3d3 (patch)
tree: e0fda9e211750c5ecc1838403bb2bb2fa59a9ed8 /drivers/irqchip
parent: ff8dcfebe08dfb2524041116d4afce53ffe0b015 (diff)
parent: de26a7424331493311c08625a700cf45d1eaf151 (diff)
20 files changed, 1272 insertions, 366 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 7038957f4a77..680d2fcf2686 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -430,6 +430,14 @@ config QCOM_PDC
 	  Power Domain Controller driver to manage and configure wakeup
 	  IRQs for Qualcomm Technologies Inc (QTI) mobile chips.
 
+config QCOM_MPM
+	tristate "QCOM MPM"
+	depends on ARCH_QCOM
+	select IRQ_DOMAIN_HIERARCHY
+	help
+	  MSM Power Manager driver to manage and configure wakeup
+	  IRQs for Qualcomm Technologies Inc (QTI) mobile chips.
+
 config CSKY_MPINTC
 	bool
 	depends on CSKY
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index c1f611cbfbf8..1f8990f812f1 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -94,6 +94,7 @@ obj-$(CONFIG_MESON_IRQ_GPIO)		+= irq-meson-gpio.o
 obj-$(CONFIG_GOLDFISH_PIC) 		+= irq-goldfish-pic.o
 obj-$(CONFIG_NDS32)			+= irq-ativic32.o
 obj-$(CONFIG_QCOM_PDC)			+= qcom-pdc.o
+obj-$(CONFIG_QCOM_MPM)			+= irq-qcom-mpm.o
 obj-$(CONFIG_CSKY_MPINTC)		+= irq-csky-mpintc.o
 obj-$(CONFIG_CSKY_APB_INTC)		+= irq-csky-apb-intc.o
 obj-$(CONFIG_RISCV_INTC)		+= irq-riscv-intc.o
diff --git a/drivers/irqchip/irq-apple-aic.c b/drivers/irqchip/irq-apple-aic.c
index 38091ebb9403..12dd48727a15 100644
--- a/drivers/irqchip/irq-apple-aic.c
+++ b/drivers/irqchip/irq-apple-aic.c
@@ -24,7 +24,7 @@
  * - Default "this CPU" register view and explicit per-CPU views
  *
  * In addition, this driver also handles FIQs, as these are routed to the same
- * IRQ vector. These are used for Fast IPIs (TODO), the ARMv8 timer IRQs, and
+ * IRQ vector. These are used for Fast IPIs, the ARMv8 timer IRQs, and
  * performance counters (TODO).
  *
  * Implementation notes:
@@ -52,9 +52,12 @@
 #include <linux/irqchip.h>
 #include <linux/irqchip/arm-vgic-info.h>
 #include <linux/irqdomain.h>
+#include <linux/jump_label.h>
 #include <linux/limits.h>
 #include <linux/of_address.h>
 #include <linux/slab.h>
+#include <asm/apple_m1_pmu.h>
+#include <asm/cputype.h>
 #include <asm/exception.h>
 #include <asm/sysreg.h>
 #include <asm/virt.h>
@@ -62,20 +65,22 @@
 #include <dt-bindings/interrupt-controller/apple-aic.h>
 
 /*
- * AIC registers (MMIO)
+ * AIC v1 registers (MMIO)
  */
 
 #define AIC_INFO		0x0004
-#define AIC_INFO_NR_HW		GENMASK(15, 0)
+#define AIC_INFO_NR_IRQ		GENMASK(15, 0)
 
 #define AIC_CONFIG		0x0010
 
 #define AIC_WHOAMI		0x2000
 #define AIC_EVENT		0x2004
-#define AIC_EVENT_TYPE		GENMASK(31, 16)
+#define AIC_EVENT_DIE		GENMASK(31, 24)
+#define AIC_EVENT_TYPE		GENMASK(23, 16)
 #define AIC_EVENT_NUM		GENMASK(15, 0)
 
-#define AIC_EVENT_TYPE_HW	1
+#define AIC_EVENT_TYPE_FIQ	0 /* Software use */
+#define AIC_EVENT_TYPE_IRQ	1
 #define AIC_EVENT_TYPE_IPI	4
 #define AIC_EVENT_IPI_OTHER	1
 #define AIC_EVENT_IPI_SELF	2
@@ -91,34 +96,73 @@
 #define AIC_IPI_SELF		BIT(31)
 
 #define AIC_TARGET_CPU		0x3000
-#define AIC_SW_SET		0x4000
-#define AIC_SW_CLR		0x4080
-#define AIC_MASK_SET		0x4100
-#define AIC_MASK_CLR		0x4180
 
 #define AIC_CPU_IPI_SET(cpu)	(0x5008 + ((cpu) << 7))
 #define AIC_CPU_IPI_CLR(cpu)	(0x500c + ((cpu) << 7))
 #define AIC_CPU_IPI_MASK_SET(cpu) (0x5024 + ((cpu) << 7))
 #define AIC_CPU_IPI_MASK_CLR(cpu) (0x5028 + ((cpu) << 7))
 
+#define AIC_MAX_IRQ		0x400
+
+/*
+ * AIC v2 registers (MMIO)
+ */
+
+#define AIC2_VERSION		0x0000
+#define AIC2_VERSION_VER	GENMASK(7, 0)
+
+#define AIC2_INFO1		0x0004
+#define AIC2_INFO1_NR_IRQ	GENMASK(15, 0)
+#define AIC2_INFO1_LAST_DIE	GENMASK(27, 24)
+
+#define AIC2_INFO2		0x0008
+
+#define AIC2_INFO3		0x000c
+#define AIC2_INFO3_MAX_IRQ	GENMASK(15, 0)
+#define AIC2_INFO3_MAX_DIE	GENMASK(27, 24)
+
+#define AIC2_RESET		0x0010
+#define AIC2_RESET_RESET	BIT(0)
+
+#define AIC2_CONFIG		0x0014
+#define AIC2_CONFIG_ENABLE	BIT(0)
+#define AIC2_CONFIG_PREFER_PCPU	BIT(28)
+
+#define AIC2_TIMEOUT		0x0028
+#define AIC2_CLUSTER_PRIO	0x0030
+#define AIC2_DELAY_GROUPS	0x0100
+
+#define AIC2_IRQ_CFG		0x2000
+
+/*
+ * AIC2 registers are laid out like this, starting at AIC2_IRQ_CFG:
+ *
+ * Repeat for each die:
+ *   IRQ_CFG: u32 * MAX_IRQS
+ *   SW_SET: u32 * (MAX_IRQS / 32)
+ *   SW_CLR: u32 * (MAX_IRQS / 32)
+ *   MASK_SET: u32 * (MAX_IRQS / 32)
+ *   MASK_CLR: u32 * (MAX_IRQS / 32)
+ *   HW_STATE: u32 * (MAX_IRQS / 32)
+ *
+ * This is followed by a set of event registers, each 16K page aligned.
+ * The first one is the AP event register we will use. Unfortunately,
+ * the actual implemented die count is not specified anywhere in the
+ * capability registers, so we have to explicitly specify the event
+ * register as a second reg entry in the device tree to remain
+ * forward-compatible.
+ */
+
+#define AIC2_IRQ_CFG_TARGET	GENMASK(3, 0)
+#define AIC2_IRQ_CFG_DELAY_IDX	GENMASK(7, 5)
+
 #define MASK_REG(x)		(4 * ((x) >> 5))
 #define MASK_BIT(x)		BIT((x) & GENMASK(4, 0))
 
 /*
  * IMP-DEF sysregs that control FIQ sources
- * Note: sysreg-based IPIs are not supported yet.
  */
 
-/* Core PMC control register */
-#define SYS_IMP_APL_PMCR0_EL1		sys_reg(3, 1, 15, 0, 0)
-#define PMCR0_IMODE			GENMASK(10, 8)
-#define PMCR0_IMODE_OFF			0
-#define PMCR0_IMODE_PMI			1
-#define PMCR0_IMODE_AIC			2
-#define PMCR0_IMODE_HALT		3
-#define PMCR0_IMODE_FIQ			4
-#define PMCR0_IACT			BIT(11)
-
 /* IPI request registers */
 #define SYS_IMP_APL_IPI_RR_LOCAL_EL1	sys_reg(3, 5, 15, 0, 0)
 #define SYS_IMP_APL_IPI_RR_GLOBAL_EL1	sys_reg(3, 5, 15, 0, 1)
@@ -155,7 +199,18 @@
 #define SYS_IMP_APL_UPMSR_EL1		sys_reg(3, 7, 15, 6, 4)
 #define UPMSR_IACT			BIT(0)
 
-#define AIC_NR_FIQ		4
+/* MPIDR fields */
+#define MPIDR_CPU(x)			MPIDR_AFFINITY_LEVEL(x, 0)
+#define MPIDR_CLUSTER(x)		MPIDR_AFFINITY_LEVEL(x, 1)
+
+#define AIC_IRQ_HWIRQ(die, irq)	(FIELD_PREP(AIC_EVENT_DIE, die) | \
+				 FIELD_PREP(AIC_EVENT_TYPE, AIC_EVENT_TYPE_IRQ) | \
+				 FIELD_PREP(AIC_EVENT_NUM, irq))
+#define AIC_FIQ_HWIRQ(x)	(FIELD_PREP(AIC_EVENT_TYPE, AIC_EVENT_TYPE_FIQ) | \
+				 FIELD_PREP(AIC_EVENT_NUM, x))
+#define AIC_HWIRQ_IRQ(x)	FIELD_GET(AIC_EVENT_NUM, x)
+#define AIC_HWIRQ_DIE(x)	FIELD_GET(AIC_EVENT_DIE, x)
+#define AIC_NR_FIQ		6
 #define AIC_NR_SWIPI		32
 
 /*
@@ -173,11 +228,81 @@
 #define AIC_TMR_EL02_PHYS	AIC_TMR_GUEST_PHYS
 #define AIC_TMR_EL02_VIRT	AIC_TMR_GUEST_VIRT
 
+DEFINE_STATIC_KEY_TRUE(use_fast_ipi);
+
+struct aic_info {
+	int version;
+
+	/* Register offsets */
+	u32 event;
+	u32 target_cpu;
+	u32 irq_cfg;
+	u32 sw_set;
+	u32 sw_clr;
+	u32 mask_set;
+	u32 mask_clr;
+
+	u32 die_stride;
+
+	/* Features */
+	bool fast_ipi;
+};
+
+static const struct aic_info aic1_info = {
+	.version	= 1,
+
+	.event		= AIC_EVENT,
+	.target_cpu	= AIC_TARGET_CPU,
+};
+
+static const struct aic_info aic1_fipi_info = {
+	.version	= 1,
+
+	.event		= AIC_EVENT,
+	.target_cpu	= AIC_TARGET_CPU,
+
+	.fast_ipi	= true,
+};
+
+static const struct aic_info aic2_info = {
+	.version	= 2,
+
+	.irq_cfg	= AIC2_IRQ_CFG,
+
+	.fast_ipi	= true,
+};
+
+static const struct of_device_id aic_info_match[] = {
+	{
+		.compatible = "apple,t8103-aic",
+		.data = &aic1_fipi_info,
+	},
+	{
+		.compatible = "apple,aic",
+		.data = &aic1_info,
+	},
+	{
+		.compatible = "apple,aic2",
+		.data = &aic2_info,
+	},
+	{}
+};
+
 struct aic_irq_chip {
 	void __iomem *base;
+	void __iomem *event;
 	struct irq_domain *hw_domain;
 	struct irq_domain *ipi_domain;
-	int nr_hw;
+	struct {
+		cpumask_t aff;
+	} *fiq_aff[AIC_NR_FIQ];
+
+	int nr_irq;
+	int max_irq;
+	int nr_die;
+	int max_die;
+
+	struct aic_info info;
 };
 
 static DEFINE_PER_CPU(uint32_t, aic_fiq_unmasked);
@@ -205,18 +330,24 @@ static void aic_ic_write(struct aic_irq_chip *ic, u32 reg, u32 val)
 
 static void aic_irq_mask(struct irq_data *d)
 {
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
 	struct aic_irq_chip *ic = irq_data_get_irq_chip_data(d);
 
-	aic_ic_write(ic, AIC_MASK_SET + MASK_REG(irqd_to_hwirq(d)),
-		     MASK_BIT(irqd_to_hwirq(d)));
+	u32 off = AIC_HWIRQ_DIE(hwirq) * ic->info.die_stride;
+	u32 irq = AIC_HWIRQ_IRQ(hwirq);
+
+	aic_ic_write(ic, ic->info.mask_set + off + MASK_REG(irq), MASK_BIT(irq));
 }
 
 static void aic_irq_unmask(struct irq_data *d)
 {
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
 	struct aic_irq_chip *ic = irq_data_get_irq_chip_data(d);
 
-	aic_ic_write(ic, AIC_MASK_CLR + MASK_REG(d->hwirq),
-		     MASK_BIT(irqd_to_hwirq(d)));
+	u32 off = AIC_HWIRQ_DIE(hwirq) * ic->info.die_stride;
+	u32 irq = AIC_HWIRQ_IRQ(hwirq);
+
+	aic_ic_write(ic, ic->info.mask_clr + off + MASK_REG(irq), MASK_BIT(irq));
 }
 
 static void aic_irq_eoi(struct irq_data *d)
@@ -239,12 +370,12 @@ static void __exception_irq_entry aic_handle_irq(struct pt_regs *regs)
 		 * We cannot use a relaxed read here, as reads from DMA buffers
 		 * need to be ordered after the IRQ fires.
 		 */
-		event = readl(ic->base + AIC_EVENT);
+		event = readl(ic->event + ic->info.event);
 		type = FIELD_GET(AIC_EVENT_TYPE, event);
 		irq = FIELD_GET(AIC_EVENT_NUM, event);
 
-		if (type == AIC_EVENT_TYPE_HW)
-			generic_handle_domain_irq(aic_irqc->hw_domain, irq);
+		if (type == AIC_EVENT_TYPE_IRQ)
+			generic_handle_domain_irq(aic_irqc->hw_domain, event);
 		else if (type == AIC_EVENT_TYPE_IPI && irq == 1)
 			aic_handle_ipi(regs);
 		else if (event != 0)
@@ -271,12 +402,14 @@ static int aic_irq_set_affinity(struct irq_data *d,
 	struct aic_irq_chip *ic = irq_data_get_irq_chip_data(d);
 	int cpu;
 
+	BUG_ON(!ic->info.target_cpu);
+
 	if (force)
 		cpu = cpumask_first(mask_val);
 	else
 		cpu = cpumask_any_and(mask_val, cpu_online_mask);
 
-	aic_ic_write(ic, AIC_TARGET_CPU + hwirq * 4, BIT(cpu));
+	aic_ic_write(ic, ic->info.target_cpu + AIC_HWIRQ_IRQ(hwirq) * 4, BIT(cpu));
 	irq_data_update_effective_affinity(d, cpumask_of(cpu));
 
 	return IRQ_SET_MASK_OK;
@@ -300,15 +433,21 @@ static struct irq_chip aic_chip = {
 	.irq_set_type = aic_irq_set_type,
 };
 
+static struct irq_chip aic2_chip = {
+	.name = "AIC2",
+	.irq_mask = aic_irq_mask,
+	.irq_unmask = aic_irq_unmask,
+	.irq_eoi = aic_irq_eoi,
+	.irq_set_type = aic_irq_set_type,
+};
+
 /*
  * FIQ irqchip
  */
 
 static unsigned long aic_fiq_get_idx(struct irq_data *d)
 {
-	struct aic_irq_chip *ic = irq_data_get_irq_chip_data(d);
-
-	return irqd_to_hwirq(d) - ic->nr_hw;
+	return AIC_HWIRQ_IRQ(irqd_to_hwirq(d));
 }
 
 static void aic_fiq_set_mask(struct irq_data *d)
@@ -386,17 +525,21 @@ static void __exception_irq_entry aic_handle_fiq(struct pt_regs *regs)
 	 */
 
 	if (read_sysreg_s(SYS_IMP_APL_IPI_SR_EL1) & IPI_SR_PENDING) {
-		pr_err_ratelimited("Fast IPI fired. Acking.\n");
-		write_sysreg_s(IPI_SR_PENDING, SYS_IMP_APL_IPI_SR_EL1);
+		if (static_branch_likely(&use_fast_ipi)) {
+			aic_handle_ipi(regs);
+		} else {
+			pr_err_ratelimited("Fast IPI fired. Acking.\n");
+			write_sysreg_s(IPI_SR_PENDING, SYS_IMP_APL_IPI_SR_EL1);
+		}
 	}
 
 	if (TIMER_FIRING(read_sysreg(cntp_ctl_el0)))
 		generic_handle_domain_irq(aic_irqc->hw_domain,
-					  aic_irqc->nr_hw + AIC_TMR_EL0_PHYS);
+					  AIC_FIQ_HWIRQ(AIC_TMR_EL0_PHYS));
 
 	if (TIMER_FIRING(read_sysreg(cntv_ctl_el0)))
 		generic_handle_domain_irq(aic_irqc->hw_domain,
-					  aic_irqc->nr_hw + AIC_TMR_EL0_VIRT);
+					  AIC_FIQ_HWIRQ(AIC_TMR_EL0_VIRT));
 
 	if (is_kernel_in_hyp_mode()) {
 		uint64_t enabled = read_sysreg_s(SYS_IMP_APL_VM_TMR_FIQ_ENA_EL2);
@@ -404,24 +547,23 @@ static void __exception_irq_entry aic_handle_fiq(struct pt_regs *regs)
 		if ((enabled & VM_TMR_FIQ_ENABLE_P) &&
 		    TIMER_FIRING(read_sysreg_s(SYS_CNTP_CTL_EL02)))
 			generic_handle_domain_irq(aic_irqc->hw_domain,
-						  aic_irqc->nr_hw + AIC_TMR_EL02_PHYS);
+						  AIC_FIQ_HWIRQ(AIC_TMR_EL02_PHYS));
 
 		if ((enabled & VM_TMR_FIQ_ENABLE_V) &&
 		    TIMER_FIRING(read_sysreg_s(SYS_CNTV_CTL_EL02)))
 			generic_handle_domain_irq(aic_irqc->hw_domain,
-						  aic_irqc->nr_hw + AIC_TMR_EL02_VIRT);
+						  AIC_FIQ_HWIRQ(AIC_TMR_EL02_VIRT));
 	}
 
-	if ((read_sysreg_s(SYS_IMP_APL_PMCR0_EL1) & (PMCR0_IMODE | PMCR0_IACT)) ==
-			(FIELD_PREP(PMCR0_IMODE, PMCR0_IMODE_FIQ) | PMCR0_IACT)) {
-		/*
-		 * Not supported yet, let's figure out how to handle this when
-		 * we implement these proprietary performance counters. For now,
-		 * just mask it and move on.
-		 */
-		pr_err_ratelimited("PMC FIQ fired. Masking.\n");
-		sysreg_clear_set_s(SYS_IMP_APL_PMCR0_EL1, PMCR0_IMODE | PMCR0_IACT,
-				   FIELD_PREP(PMCR0_IMODE, PMCR0_IMODE_OFF));
+	if (read_sysreg_s(SYS_IMP_APL_PMCR0_EL1) & PMCR0_IACT) {
+		int irq;
+		if (cpumask_test_cpu(smp_processor_id(),
+				     &aic_irqc->fiq_aff[AIC_CPU_PMU_P]->aff))
+			irq = AIC_CPU_PMU_P;
+		else
+			irq = AIC_CPU_PMU_E;
+		generic_handle_domain_irq(aic_irqc->hw_domain,
+					  AIC_FIQ_HWIRQ(irq));
 	}
 
 	if (FIELD_GET(UPMCR0_IMODE, read_sysreg_s(SYS_IMP_APL_UPMCR0_EL1)) == UPMCR0_IMODE_FIQ &&
@@ -455,13 +597,29 @@ static int aic_irq_domain_map(struct irq_domain *id, unsigned int irq,
 			      irq_hw_number_t hw)
 {
 	struct aic_irq_chip *ic = id->host_data;
+	u32 type = FIELD_GET(AIC_EVENT_TYPE, hw);
+	struct irq_chip *chip = &aic_chip;
 
-	if (hw < ic->nr_hw) {
-		irq_domain_set_info(id, irq, hw, &aic_chip, id->host_data,
+	if (ic->info.version == 2)
+		chip = &aic2_chip;
+
+	if (type == AIC_EVENT_TYPE_IRQ) {
+		irq_domain_set_info(id, irq, hw, chip, id->host_data,
 				    handle_fasteoi_irq, NULL, NULL);
 		irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq)));
 	} else {
-		irq_set_percpu_devid(irq);
+		int fiq = FIELD_GET(AIC_EVENT_NUM, hw);
+
+		switch (fiq) {
+		case AIC_CPU_PMU_P:
+		case AIC_CPU_PMU_E:
+			irq_set_percpu_devid_partition(irq, &ic->fiq_aff[fiq]->aff);
+			break;
+		default:
+			irq_set_percpu_devid(irq);
+			break;
+		}
+
 		irq_domain_set_info(id, irq, hw, &fiq_chip, id->host_data,
 				    handle_percpu_devid_irq, NULL, NULL);
 	}
@@ -475,32 +633,46 @@ static int aic_irq_domain_translate(struct irq_domain *id,
 				    unsigned int *type)
 {
 	struct aic_irq_chip *ic = id->host_data;
+	u32 *args;
+	u32 die = 0;
 
-	if (fwspec->param_count != 3 || !is_of_node(fwspec->fwnode))
+	if (fwspec->param_count < 3 || fwspec->param_count > 4 ||
+	    !is_of_node(fwspec->fwnode))
 		return -EINVAL;
 
+	args = &fwspec->param[1];
+
+	if (fwspec->param_count == 4) {
+		die = args[0];
+		args++;
+	}
+
 	switch (fwspec->param[0]) {
 	case AIC_IRQ:
-		if (fwspec->param[1] >= ic->nr_hw)
+		if (die >= ic->nr_die)
 			return -EINVAL;
-		*hwirq = fwspec->param[1];
+		if (args[0] >= ic->nr_irq)
+			return -EINVAL;
+		*hwirq = AIC_IRQ_HWIRQ(die, args[0]);
 		break;
 	case AIC_FIQ:
-		if (fwspec->param[1] >= AIC_NR_FIQ)
+		if (die != 0)
+			return -EINVAL;
+		if (args[0] >= AIC_NR_FIQ)
 			return -EINVAL;
-		*hwirq = ic->nr_hw + fwspec->param[1];
+		*hwirq = AIC_FIQ_HWIRQ(args[0]);
 
 		/*
 		 * In EL1 the non-redirected registers are the guest's,
 		 * not EL2's, so remap the hwirqs to match.
 		 */
 		if (!is_kernel_in_hyp_mode()) {
-			switch (fwspec->param[1]) {
+			switch (args[0]) {
 			case AIC_TMR_GUEST_PHYS:
-				*hwirq = ic->nr_hw + AIC_TMR_EL0_PHYS;
+				*hwirq = AIC_FIQ_HWIRQ(AIC_TMR_EL0_PHYS);
 				break;
 			case AIC_TMR_GUEST_VIRT:
-				*hwirq = ic->nr_hw + AIC_TMR_EL0_VIRT;
+				*hwirq = AIC_FIQ_HWIRQ(AIC_TMR_EL0_VIRT);
 				break;
 			case AIC_TMR_HV_PHYS:
 			case AIC_TMR_HV_VIRT:
@@ -514,7 +686,7 @@ static int aic_irq_domain_translate(struct irq_domain *id,
 		return -EINVAL;
 	}
 
-	*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
+	*type = args[1] & IRQ_TYPE_SENSE_MASK;
 
 	return 0;
 }
@@ -563,6 +735,22 @@ static const struct irq_domain_ops aic_irq_domain_ops = {
  * IPI irqchip
  */
 
+static void aic_ipi_send_fast(int cpu)
+{
+	u64 mpidr = cpu_logical_map(cpu);
+	u64 my_mpidr = read_cpuid_mpidr();
+	u64 cluster = MPIDR_CLUSTER(mpidr);
+	u64 idx = MPIDR_CPU(mpidr);
+
+	if (MPIDR_CLUSTER(my_mpidr) == cluster)
+		write_sysreg_s(FIELD_PREP(IPI_RR_CPU, idx),
+			       SYS_IMP_APL_IPI_RR_LOCAL_EL1);
+	else
+		write_sysreg_s(FIELD_PREP(IPI_RR_CPU, idx) | FIELD_PREP(IPI_RR_CLUSTER, cluster),
+			       SYS_IMP_APL_IPI_RR_GLOBAL_EL1);
+	isb();
+}
+
 static void aic_ipi_mask(struct irq_data *d)
 {
 	u32 irq_bit = BIT(irqd_to_hwirq(d));
@@ -588,8 +776,12 @@ static void aic_ipi_unmask(struct irq_data *d)
 	 * If a pending vIPI was unmasked, raise a HW IPI to ourselves.
 	 * No barriers needed here since this is a self-IPI.
 	 */
-	if (atomic_read(this_cpu_ptr(&aic_vipi_flag)) & irq_bit)
-		aic_ic_write(ic, AIC_IPI_SEND, AIC_IPI_SEND_CPU(smp_processor_id()));
+	if (atomic_read(this_cpu_ptr(&aic_vipi_flag)) & irq_bit) {
+		if (static_branch_likely(&use_fast_ipi))
+			aic_ipi_send_fast(smp_processor_id());
+		else
+			aic_ic_write(ic, AIC_IPI_SEND, AIC_IPI_SEND_CPU(smp_processor_id()));
+	}
 }
 
 static void aic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
@@ -617,8 +809,12 @@ static void aic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
 		smp_mb__after_atomic();
 
 		if (!(pending & irq_bit) &&
-		    (atomic_read(per_cpu_ptr(&aic_vipi_enable, cpu)) & irq_bit))
-			send |= AIC_IPI_SEND_CPU(cpu);
+		    (atomic_read(per_cpu_ptr(&aic_vipi_enable, cpu)) & irq_bit)) {
+			if (static_branch_likely(&use_fast_ipi))
+				aic_ipi_send_fast(cpu);
+			else
+				send |= AIC_IPI_SEND_CPU(cpu);
+		}
 	}
 
 	/*
@@ -650,8 +846,16 @@ static void aic_handle_ipi(struct pt_regs *regs)
 	/*
 	 * Ack the IPI. We need to order this after the AIC event read, but
 	 * that is enforced by normal MMIO ordering guarantees.
+	 *
+	 * For the Fast IPI case, this needs to be ordered before the vIPI
+	 * handling below, so we need to isb();
 	 */
-	aic_ic_write(aic_irqc, AIC_IPI_ACK, AIC_IPI_OTHER);
+	if (static_branch_likely(&use_fast_ipi)) {
+		write_sysreg_s(IPI_SR_PENDING, SYS_IMP_APL_IPI_SR_EL1);
+		isb();
+	} else {
+		aic_ic_write(aic_irqc, AIC_IPI_ACK, AIC_IPI_OTHER);
+	}
 
 	/*
 	 * The mask read does not need to be ordered. Only we can change
@@ -679,7 +883,8 @@ static void aic_handle_ipi(struct pt_regs *regs)
 	 * No ordering needed here; at worst this just changes the timing of
 	 * when the next IPI will be delivered.
 	 */
-	aic_ic_write(aic_irqc, AIC_IPI_MASK_CLR, AIC_IPI_OTHER);
+	if (!static_branch_likely(&use_fast_ipi))
+		aic_ic_write(aic_irqc, AIC_IPI_MASK_CLR, AIC_IPI_OTHER);
 }
 
 static int aic_ipi_alloc(struct irq_domain *d, unsigned int virq,
@@ -766,20 +971,27 @@ static int aic_init_cpu(unsigned int cpu)
 	/* Commit all of the above */
 	isb();
 
-	/*
-	 * Make sure the kernel's idea of logical CPU order is the same as AIC's
-	 * If we ever end up with a mismatch here, we will have to introduce
-	 * a mapping table similar to what other irqchip drivers do.
-	 */
-	WARN_ON(aic_ic_read(aic_irqc, AIC_WHOAMI) != smp_processor_id());
+	if (aic_irqc->info.version == 1) {
+		/*
+		 * Make sure the kernel's idea of logical CPU order is the same as AIC's
+		 * If we ever end up with a mismatch here, we will have to introduce
+		 * a mapping table similar to what other irqchip drivers do.
+		 */
+		WARN_ON(aic_ic_read(aic_irqc, AIC_WHOAMI) != smp_processor_id());
 
-	/*
-	 * Always keep IPIs unmasked at the hardware level (except auto-masking
-	 * by AIC during processing). We manage masks at the vIPI level.
-	 */
-	aic_ic_write(aic_irqc, AIC_IPI_ACK, AIC_IPI_SELF | AIC_IPI_OTHER);
-	aic_ic_write(aic_irqc, AIC_IPI_MASK_SET, AIC_IPI_SELF);
-	aic_ic_write(aic_irqc, AIC_IPI_MASK_CLR, AIC_IPI_OTHER);
+		/*
+		 * Always keep IPIs unmasked at the hardware level (except auto-masking
+		 * by AIC during processing). We manage masks at the vIPI level.
+		 * These registers only exist on AICv1, AICv2 always uses fast IPIs.
+		 */
+		aic_ic_write(aic_irqc, AIC_IPI_ACK, AIC_IPI_SELF | AIC_IPI_OTHER);
+		if (static_branch_likely(&use_fast_ipi)) {
+			aic_ic_write(aic_irqc, AIC_IPI_MASK_SET, AIC_IPI_SELF | AIC_IPI_OTHER);
+		} else {
+			aic_ic_write(aic_irqc, AIC_IPI_MASK_SET, AIC_IPI_SELF);
+			aic_ic_write(aic_irqc, AIC_IPI_MASK_CLR, AIC_IPI_OTHER);
+		}
+	}
 
 	/* Initialize the local mask state */
 	__this_cpu_write(aic_fiq_unmasked, 0);
@@ -793,68 +1005,193 @@ static struct gic_kvm_info vgic_info __initdata = {
 	.no_hw_deactivation	= true,
 };
 
+static void build_fiq_affinity(struct aic_irq_chip *ic, struct device_node *aff)
+{
+	int i, n;
+	u32 fiq;
+
+	if (of_property_read_u32(aff, "apple,fiq-index", &fiq) ||
+	    WARN_ON(fiq >= AIC_NR_FIQ) || ic->fiq_aff[fiq])
+		return;
+
+	n = of_property_count_elems_of_size(aff, "cpus", sizeof(u32));
+	if (WARN_ON(n < 0))
+		return;
+
+	ic->fiq_aff[fiq] = kzalloc(sizeof(*ic->fiq_aff[fiq]), GFP_KERNEL);
+	if (!ic->fiq_aff[fiq])
+		return;
+
+	for (i = 0; i < n; i++) {
+		struct device_node *cpu_node;
+		u32 cpu_phandle;
+		int cpu;
+
+		if (of_property_read_u32_index(aff, "cpus", i, &cpu_phandle))
+			continue;
+
+		cpu_node = of_find_node_by_phandle(cpu_phandle);
+		if (WARN_ON(!cpu_node))
+			continue;
+
+		cpu = of_cpu_node_to_id(cpu_node);
+		if (WARN_ON(cpu < 0))
+			continue;
+
+		cpumask_set_cpu(cpu, &ic->fiq_aff[fiq]->aff);
+	}
+}
+
 static int __init aic_of_ic_init(struct device_node *node, struct device_node *parent)
 {
-	int i;
+	int i, die;
+	u32 off, start_off;
 	void __iomem *regs;
-	u32 info;
 	struct aic_irq_chip *irqc;
+	struct device_node *affs;
+	const struct of_device_id *match;
 
 	regs = of_iomap(node, 0);
 	if (WARN_ON(!regs))
 		return -EIO;
 
 	irqc = kzalloc(sizeof(*irqc), GFP_KERNEL);
-	if (!irqc)
+	if (!irqc) {
+		iounmap(regs);
 		return -ENOMEM;
+	}
 
-	aic_irqc = irqc;
 	irqc->base = regs;
 
-	info = aic_ic_read(irqc, AIC_INFO);
-	irqc->nr_hw = FIELD_GET(AIC_INFO_NR_HW, info);
+	match = of_match_node(aic_info_match, node);
+	if (!match)
+		goto err_unmap;
 
-	irqc->hw_domain = irq_domain_create_linear(of_node_to_fwnode(node),
-						   irqc->nr_hw + AIC_NR_FIQ,
-						   &aic_irq_domain_ops, irqc);
-	if (WARN_ON(!irqc->hw_domain)) {
-		iounmap(irqc->base);
-		kfree(irqc);
-		return -ENODEV;
+	irqc->info = *(struct aic_info *)match->data;
+
+	aic_irqc = irqc;
+
+	switch (irqc->info.version) {
+	case 1: {
+		u32 info;
+
+		info = aic_ic_read(irqc, AIC_INFO);
+		irqc->nr_irq = FIELD_GET(AIC_INFO_NR_IRQ, info);
+		irqc->max_irq = AIC_MAX_IRQ;
+		irqc->nr_die = irqc->max_die = 1;
+
+		off = start_off = irqc->info.target_cpu;
+		off += sizeof(u32) * irqc->max_irq; /* TARGET_CPU */
+
+		irqc->event = irqc->base;
+
+		break;
 	}
+	case 2: {
+		u32 info1, info3;
+
+		info1 = aic_ic_read(irqc, AIC2_INFO1);
+		info3 = aic_ic_read(irqc, AIC2_INFO3);
+
+		irqc->nr_irq = FIELD_GET(AIC2_INFO1_NR_IRQ, info1);
+		irqc->max_irq = FIELD_GET(AIC2_INFO3_MAX_IRQ, info3);
+		irqc->nr_die = FIELD_GET(AIC2_INFO1_LAST_DIE, info1) + 1;
+		irqc->max_die = FIELD_GET(AIC2_INFO3_MAX_DIE, info3);
+
+		off = start_off = irqc->info.irq_cfg;
+		off += sizeof(u32) * irqc->max_irq; /* IRQ_CFG */
+
+		irqc->event = of_iomap(node, 1);
+		if (WARN_ON(!irqc->event))
+			goto err_unmap;
+
+		break;
+	}
+	}
+
+	irqc->info.sw_set = off;
+	off += sizeof(u32) * (irqc->max_irq >> 5); /* SW_SET */
+	irqc->info.sw_clr = off;
+	off += sizeof(u32) * (irqc->max_irq >> 5); /* SW_CLR */
+	irqc->info.mask_set = off;
+	off += sizeof(u32) * (irqc->max_irq >> 5); /* MASK_SET */
+	irqc->info.mask_clr = off;
+	off += sizeof(u32) * (irqc->max_irq >> 5); /* MASK_CLR */
+	off += sizeof(u32) * (irqc->max_irq >> 5); /* HW_STATE */
+
+	if (irqc->info.fast_ipi)
+		static_branch_enable(&use_fast_ipi);
+	else
+		static_branch_disable(&use_fast_ipi);
+
+	irqc->info.die_stride = off - start_off;
+
+	irqc->hw_domain = irq_domain_create_tree(of_node_to_fwnode(node),
+						 &aic_irq_domain_ops, irqc);
+	if (WARN_ON(!irqc->hw_domain))
+		goto err_unmap;
 
 	irq_domain_update_bus_token(irqc->hw_domain, DOMAIN_BUS_WIRED);
 
-	if (aic_init_smp(irqc, node)) {
-		irq_domain_remove(irqc->hw_domain);
-		iounmap(irqc->base);
-		kfree(irqc);
-		return -ENODEV;
+	if (aic_init_smp(irqc, node))
+		goto err_remove_domain;
+
+	affs = of_get_child_by_name(node, "affinities");
+	if (affs) {
+		struct device_node *chld;
+
+		for_each_child_of_node(affs, chld)
+			build_fiq_affinity(irqc, chld);
 	}
 
 	set_handle_irq(aic_handle_irq);
 	set_handle_fiq(aic_handle_fiq);
 
-	for (i = 0; i < BITS_TO_U32(irqc->nr_hw); i++)
-		aic_ic_write(irqc, AIC_MASK_SET + i * 4, U32_MAX);
-	for (i = 0; i < BITS_TO_U32(irqc->nr_hw); i++)
-		aic_ic_write(irqc, AIC_SW_CLR + i * 4, U32_MAX);
-	for (i = 0; i < irqc->nr_hw; i++)
-		aic_ic_write(irqc, AIC_TARGET_CPU + i * 4, 1);
+	off = 0;
+	for (die = 0; die < irqc->nr_die; die++) {
+		for (i = 0; i < BITS_TO_U32(irqc->nr_irq); i++)
+			aic_ic_write(irqc, irqc->info.mask_set + off + i * 4, U32_MAX);
+		for (i = 0; i < BITS_TO_U32(irqc->nr_irq); i++)
+			aic_ic_write(irqc, irqc->info.sw_clr + off + i * 4, U32_MAX);
+		if (irqc->info.target_cpu)
+			for (i = 0; i < irqc->nr_irq; i++)
+				aic_ic_write(irqc, irqc->info.target_cpu + off + i * 4, 1);
+		off += irqc->info.die_stride;
+	}
+
+	if (irqc->info.version == 2) {
+		u32 config = aic_ic_read(irqc, AIC2_CONFIG);
+
+		config |= AIC2_CONFIG_ENABLE;
+		aic_ic_write(irqc, AIC2_CONFIG, config);
+	}
 
 	if (!is_kernel_in_hyp_mode())
 		pr_info("Kernel running in EL1, mapping interrupts");
 
+	if (static_branch_likely(&use_fast_ipi))
+		pr_info("Using Fast IPIs");
+
 	cpuhp_setup_state(CPUHP_AP_IRQ_APPLE_AIC_STARTING,
 			  "irqchip/apple-aic/ipi:starting",
 			  aic_init_cpu, NULL);
 
 	vgic_set_kvm_info(&vgic_info);
 
-	pr_info("Initialized with %d IRQs, %d FIQs, %d vIPIs\n",
-		irqc->nr_hw, AIC_NR_FIQ, AIC_NR_SWIPI);
+	pr_info("Initialized with %d/%d IRQs * %d/%d die(s), %d FIQs, %d vIPIs",
+		irqc->nr_irq, irqc->max_irq, irqc->nr_die, irqc->max_die, AIC_NR_FIQ, AIC_NR_SWIPI);
 
 	return 0;
+
+err_remove_domain:
+	irq_domain_remove(irqc->hw_domain);
+err_unmap:
+	if (irqc->event && irqc->event != irqc->base)
+		iounmap(irqc->event);
+	iounmap(irqc->base);
+	kfree(irqc);
+	return -ENODEV;
 }
 
-IRQCHIP_DECLARE(apple_m1_aic, "apple,aic", aic_of_ic_init);
+IRQCHIP_DECLARE(apple_aic, "apple,aic", aic_of_ic_init);
+IRQCHIP_DECLARE(apple_aic2, "apple,aic2", aic_of_ic_init);
diff --git a/drivers/irqchip/irq-ftintc010.c b/drivers/irqchip/irq-ftintc010.c
index 5cc268880f8e..46a3aa60e50e 100644
--- a/drivers/irqchip/irq-ftintc010.c
+++ b/drivers/irqchip/irq-ftintc010.c
@@ -11,7 +11,6 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/irqchip.h>
-#include <linux/irqchip/versatile-fpga.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>
 #include <linux/of.h>
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 5e935d97207d..0efe1a9a9f3b 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1211,7 +1211,7 @@ static void gic_ipi_send_mask(struct irq_data *d, const struct cpumask *mask)
 	 * Ensure that stores to Normal memory are visible to the
 	 * other CPUs before issuing the IPI.
 	 */
-	wmb();
+	dsb(ishst);
 
 	for_each_cpu(cpu, mask) {
 		u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(cpu_logical_map(cpu));
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index b8bb46c65a97..58ba835bee1f 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -34,6 +34,7 @@
 #include <linux/irqdomain.h>
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/irqchip.h>
 #include <linux/irqchip/chained_irq.h>
@@ -66,7 +67,6 @@ union gic_base {
 };
 
 struct gic_chip_data {
-	struct irq_chip chip;
 	union gic_base dist_base;
 	union gic_base cpu_base;
 	void __iomem *raw_dist_base;
@@ -397,18 +397,15 @@ static void gic_handle_cascade_irq(struct irq_desc *desc)
 	chained_irq_exit(chip, desc);
 }
 
-static const struct irq_chip gic_chip = {
-	.irq_mask		= gic_mask_irq,
-	.irq_unmask		= gic_unmask_irq,
-	.irq_eoi		= gic_eoi_irq,
-	.irq_set_type		= gic_set_type,
-	.irq_retrigger          = gic_retrigger,
-	.irq_get_irqchip_state	= gic_irq_get_irqchip_state,
-	.irq_set_irqchip_state	= gic_irq_set_irqchip_state,
-	.flags			= IRQCHIP_SET_TYPE_MASKED |
-				  IRQCHIP_SKIP_SET_WAKE |
-				  IRQCHIP_MASK_ON_SUSPEND,
-};
+static void gic_irq_print_chip(struct irq_data *d, struct seq_file *p)
+{
+	struct gic_chip_data *gic = irq_data_get_irq_chip_data(d);
+
+	if (gic->domain->dev)
+		seq_printf(p, gic->domain->dev->of_node->name);
+	else
+		seq_printf(p, "GIC-%d", (int)(gic - &gic_data[0]));
+}
 
 void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 {
@@ -799,8 +796,12 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
 			    bool force)
 {
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + gic_irq(d);
+	struct gic_chip_data *gic = irq_data_get_irq_chip_data(d);
 	unsigned int cpu;
 
+	if (unlikely(gic != &gic_data[0]))
+		return -EINVAL;
+
 	if (!force)
 		cpu = cpumask_any_and(mask_val, cpu_online_mask);
 	else
@@ -880,6 +881,39 @@ static __init void gic_smp_init(void)
 #define gic_ipi_send_mask	NULL
 #endif
 
+static const struct irq_chip gic_chip = {
+	.irq_mask		= gic_mask_irq,
+	.irq_unmask		= gic_unmask_irq,
+	.irq_eoi		= gic_eoi_irq,
+	.irq_set_type		= gic_set_type,
+	.irq_retrigger          = gic_retrigger,
+	.irq_set_affinity	= gic_set_affinity,
+	.ipi_send_mask		= gic_ipi_send_mask,
+	.irq_get_irqchip_state	= gic_irq_get_irqchip_state,
+	.irq_set_irqchip_state	= gic_irq_set_irqchip_state,
+	.irq_print_chip		= gic_irq_print_chip,
+	.flags			= IRQCHIP_SET_TYPE_MASKED |
+				  IRQCHIP_SKIP_SET_WAKE |
+				  IRQCHIP_MASK_ON_SUSPEND,
+};
+
+static const struct irq_chip gic_chip_mode1 = {
+	.name			= "GICv2",
+	.irq_mask		= gic_eoimode1_mask_irq,
+	.irq_unmask		= gic_unmask_irq,
+	.irq_eoi		= gic_eoimode1_eoi_irq,
+	.irq_set_type		= gic_set_type,
+	.irq_retrigger          = gic_retrigger,
+	.irq_set_affinity	= gic_set_affinity,
+	.ipi_send_mask		= gic_ipi_send_mask,
+	.irq_get_irqchip_state	= gic_irq_get_irqchip_state,
+	.irq_set_irqchip_state	= gic_irq_set_irqchip_state,
+	.irq_set_vcpu_affinity	= gic_irq_set_vcpu_affinity,
+	.flags			= IRQCHIP_SET_TYPE_MASKED |
+				  IRQCHIP_SKIP_SET_WAKE |
+				  IRQCHIP_MASK_ON_SUSPEND,
+};
+
 #ifdef CONFIG_BL_SWITCHER
 /*
  * gic_send_sgi - send a SGI directly to given CPU interface number
@@ -1024,15 +1058,19 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
 {
 	struct gic_chip_data *gic = d->host_data;
 	struct irq_data *irqd = irq_desc_get_irq_data(irq_to_desc(irq));
+	const struct irq_chip *chip;
+
+	chip = (static_branch_likely(&supports_deactivate_key) &&
+		gic == &gic_data[0]) ? &gic_chip_mode1 : &gic_chip;
 
 	switch (hw) {
 	case 0 ... 31:
 		irq_set_percpu_devid(irq);
-		irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data,
+		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_percpu_devid_irq, NULL, NULL);
 		break;
 	default:
-		irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data,
+		irq_domain_set_info(d, irq, hw, chip, d->host_data,
 				    handle_fasteoi_irq, NULL, NULL);
 		irq_set_probe(irq);
 		irqd_set_single_target(irqd);
@@ -1127,26 +1165,6 @@ static const struct irq_domain_ops gic_irq_domain_ops = {
 	.unmap = gic_irq_domain_unmap,
 };
 
-static void gic_init_chip(struct gic_chip_data *gic, struct device *dev,
-			  const char *name, bool use_eoimode1)
-{
-	/* Initialize irq_chip */
-	gic->chip = gic_chip;
-	gic->chip.name = name;
-	gic->chip.parent_device = dev;
-
-	if (use_eoimode1) {
-		gic->chip.irq_mask = gic_eoimode1_mask_irq;
-		gic->chip.irq_eoi = gic_eoimode1_eoi_irq;
-		gic->chip.irq_set_vcpu_affinity = gic_irq_set_vcpu_affinity;
-	}
-
-	if (gic == &gic_data[0]) {
-		gic->chip.irq_set_affinity = gic_set_affinity;
-		gic->chip.ipi_send_mask = gic_ipi_send_mask;
-	}
-}
-
 static int gic_init_bases(struct gic_chip_data *gic,
 			  struct fwnode_handle *handle)
 {
@@ -1246,7 +1264,6 @@ error:
 static int __init __gic_init_bases(struct gic_chip_data *gic,
 				   struct fwnode_handle *handle)
 {
-	char *name;
 	int i, ret;
 
 	if (WARN_ON(!gic || gic->domain))
@@ -1266,18 +1283,8 @@ static int __init __gic_init_bases(struct gic_chip_data *gic,
 			pr_info("GIC: Using split EOI/Deactivate mode\n");
 	}
 
-	if (static_branch_likely(&supports_deactivate_key) && gic == &gic_data[0]) {
-		name = kasprintf(GFP_KERNEL, "GICv2");
-		gic_init_chip(gic, NULL, name, true);
-	} else {
-		name = kasprintf(GFP_KERNEL, "GIC-%d", (int)(gic-&gic_data[0]));
-		gic_init_chip(gic, NULL, name, false);
-	}
-
 	ret = gic_init_bases(gic, handle);
-	if (ret)
-		kfree(name);
-	else if (gic == &gic_data[0])
+	if (gic == &gic_data[0])
 		gic_smp_init();
 
 	return ret;
@@ -1460,8 +1467,6 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq)
 	if (!*gic)
 		return -ENOMEM;
 
-	gic_init_chip(*gic, dev, dev->of_node->name, false);
-
 	ret = gic_of_setup(*gic, dev->of_node);
 	if (ret)
 		return ret;
@@ -1472,6 +1477,7 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq)
 		return ret;
 	}
 
+	irq_domain_set_pm_device((*gic)->domain, dev);
 	irq_set_chained_handler_and_data(irq, gic_handle_cascade_irq, *gic);
 
 	return 0;
diff --git a/drivers/irqchip/irq-imx-intmux.c b/drivers/irqchip/irq-imx-intmux.c
index e86ff743e98c..80aaea82468a 100644
--- a/drivers/irqchip/irq-imx-intmux.c
+++ b/drivers/irqchip/irq-imx-intmux.c
@@ -61,7 +61,6 @@
 #define CHAN_MAX_NUM		0x8
 
 struct intmux_irqchip_data {
-	struct irq_chip		chip;
 	u32			saved_reg;
 	int			chanidx;
 	int			irq;
@@ -114,7 +113,7 @@ static void imx_intmux_irq_unmask(struct irq_data *d)
 	raw_spin_unlock_irqrestore(&data->lock, flags);
 }
 
-static struct irq_chip imx_intmux_irq_chip = {
+static struct irq_chip imx_intmux_irq_chip __ro_after_init = {
 	.name		= "intmux",
 	.irq_mask	= imx_intmux_irq_mask,
 	.irq_unmask	= imx_intmux_irq_unmask,
@@ -126,7 +125,7 @@ static int imx_intmux_irq_map(struct irq_domain *h, unsigned int irq,
 	struct intmux_irqchip_data *data = h->host_data;
 
 	irq_set_chip_data(irq, data);
-	irq_set_chip_and_handler(irq, &data->chip, handle_level_irq);
+	irq_set_chip_and_handler(irq, &imx_intmux_irq_chip, handle_level_irq);
 
 	return 0;
 }
@@ -241,8 +240,6 @@ static int imx_intmux_probe(struct platform_device *pdev)
 	}
 
 	for (i = 0; i < channum; i++) {
-		data->irqchip_data[i].chip = imx_intmux_irq_chip;
-		data->irqchip_data[i].chip.parent_device = &pdev->dev;
 		data->irqchip_data[i].chanidx = i;
 
 		data->irqchip_data[i].irq = irq_of_parse_and_map(np, i);
@@ -260,6 +257,7 @@ static int imx_intmux_probe(struct platform_device *pdev)
 			goto out;
 		}
 		data->irqchip_data[i].domain = domain;
+		irq_domain_set_pm_device(domain, &pdev->dev);
 
 		/* disable all interrupt sources of this channel firstly */
 		writel_relaxed(0, data->regs + CHANIER(i));
diff --git a/drivers/irqchip/irq-lpc32xx.c b/drivers/irqchip/irq-lpc32xx.c
index a29357f39450..4d70a857133f 100644
--- a/drivers/irqchip/irq-lpc32xx.c
+++ b/drivers/irqchip/irq-lpc32xx.c
@@ -11,6 +11,7 @@
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <asm/exception.h>
 
@@ -25,8 +26,8 @@
 
 struct lpc32xx_irq_chip {
 	void __iomem *base;
+	phys_addr_t addr;
 	struct irq_domain *domain;
-	struct irq_chip chip;
 };
 
 static struct lpc32xx_irq_chip *lpc32xx_mic_irqc;
@@ -118,6 +119,24 @@ static int lpc32xx_irq_set_type(struct irq_data *d, unsigned int type)
 	return 0;
 }
 
+static void lpc32xx_irq_print_chip(struct irq_data *d, struct seq_file *p)
+{
+	struct lpc32xx_irq_chip *ic = irq_data_get_irq_chip_data(d);
+
+	if (ic == lpc32xx_mic_irqc)
+		seq_printf(p, "%08x.mic", ic->addr);
+	else
+		seq_printf(p, "%08x.sic", ic->addr);
+}
+
+static const struct irq_chip lpc32xx_chip = {
+	.irq_ack	= lpc32xx_irq_ack,
+	.irq_mask	= lpc32xx_irq_mask,
+	.irq_unmask	= lpc32xx_irq_unmask,
+	.irq_set_type	= lpc32xx_irq_set_type,
+	.irq_print_chip	= lpc32xx_irq_print_chip,
+};
+
 static void __exception_irq_entry lpc32xx_handle_irq(struct pt_regs *regs)
 {
 	struct lpc32xx_irq_chip *ic = lpc32xx_mic_irqc;
@@ -153,7 +172,7 @@ static int lpc32xx_irq_domain_map(struct irq_domain *id, unsigned int virq,
 	struct lpc32xx_irq_chip *ic = id->host_data;
 
 	irq_set_chip_data(virq, ic);
-	irq_set_chip_and_handler(virq, &ic->chip, handle_level_irq);
+	irq_set_chip_and_handler(virq, &lpc32xx_chip, handle_level_irq);
 	irq_set_status_flags(virq, IRQ_LEVEL);
 	irq_set_noprobe(virq);
 
@@ -183,6 +202,7 @@ static int __init lpc32xx_of_ic_init(struct device_node *node,
 	if (!irqc)
 		return -ENOMEM;
 
+	irqc->addr = addr;
 	irqc->base = of_iomap(node, 0);
 	if (!irqc->base) {
 		pr_err("%pOF: unable to map registers\n", node);
@@ -190,21 +210,11 @@ static int __init lpc32xx_of_ic_init(struct device_node *node,
 		return -EINVAL;
 	}
 
-	irqc->chip.irq_ack = lpc32xx_irq_ack;
-	irqc->chip.irq_mask = lpc32xx_irq_mask;
-	irqc->chip.irq_unmask = lpc32xx_irq_unmask;
-	irqc->chip.irq_set_type = lpc32xx_irq_set_type;
-	if (is_mic)
-		irqc->chip.name = kasprintf(GFP_KERNEL, "%08x.mic", addr);
-	else
-		irqc->chip.name = kasprintf(GFP_KERNEL, "%08x.sic", addr);
-
 	irqc->domain = irq_domain_add_linear(node, NR_LPC32XX_IC_IRQS,
 					     &lpc32xx_irq_domain_ops, irqc);
 	if (!irqc->domain) {
 		pr_err("unable to add irq domain\n");
 		iounmap(irqc->base);
-		kfree(irqc->chip.name);
 		kfree(irqc);
 		return -ENODEV;
 	}
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index d90ff0b92480..2aaa9aad3e87 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -16,7 +16,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 
-#define NUM_CHANNEL 8
+#define MAX_NUM_CHANNEL 64
 #define MAX_INPUT_MUX 256
 
 #define REG_EDGE_POL	0x00
@@ -26,6 +26,8 @@
 
 /* use for A1 like chips */
 #define REG_PIN_A1_SEL	0x04
+/* Used for s4 chips */
+#define REG_EDGE_POL_S4	0x1c
 
 /*
  * Note: The S905X3 datasheet reports that BOTH_EDGE is controlled by
@@ -51,15 +53,22 @@ static void meson_a1_gpio_irq_sel_pin(struct meson_gpio_irq_controller *ctl,
 				      unsigned int channel,
 				      unsigned long hwirq);
 static void meson_a1_gpio_irq_init(struct meson_gpio_irq_controller *ctl);
+static int meson8_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl,
+				    unsigned int type, u32 *channel_hwirq);
+static int meson_s4_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl,
+				      unsigned int type, u32 *channel_hwirq);
 
 struct irq_ctl_ops {
 	void (*gpio_irq_sel_pin)(struct meson_gpio_irq_controller *ctl,
 				 unsigned int channel, unsigned long hwirq);
 	void (*gpio_irq_init)(struct meson_gpio_irq_controller *ctl);
+	int (*gpio_irq_set_type)(struct meson_gpio_irq_controller *ctl,
+				 unsigned int type, u32 *channel_hwirq);
 };
 
 struct meson_gpio_irq_params {
 	unsigned int nr_hwirq;
+	unsigned int nr_channels;
 	bool support_edge_both;
 	unsigned int edge_both_offset;
 	unsigned int edge_single_offset;
@@ -68,28 +77,44 @@ struct meson_gpio_irq_params {
 	struct irq_ctl_ops ops;
 };
 
-#define INIT_MESON_COMMON(irqs, init, sel)			\
+#define INIT_MESON_COMMON(irqs, init, sel, type)		\
 	.nr_hwirq = irqs,					\
 	.ops = {						\
 		.gpio_irq_init = init,				\
 		.gpio_irq_sel_pin = sel,			\
+		.gpio_irq_set_type = type,			\
 	},
 
 #define INIT_MESON8_COMMON_DATA(irqs)				\
 	INIT_MESON_COMMON(irqs, meson_gpio_irq_init_dummy,	\
-			  meson8_gpio_irq_sel_pin)		\
+			  meson8_gpio_irq_sel_pin,		\
+			  meson8_gpio_irq_set_type)		\
 	.edge_single_offset = 0,				\
 	.pol_low_offset = 16,					\
 	.pin_sel_mask = 0xff,					\
+	.nr_channels = 8,					\
 
 #define INIT_MESON_A1_COMMON_DATA(irqs)				\
 	INIT_MESON_COMMON(irqs, meson_a1_gpio_irq_init,		\
-			  meson_a1_gpio_irq_sel_pin)		\
+			  meson_a1_gpio_irq_sel_pin,		\
+			  meson8_gpio_irq_set_type)		\
 	.support_edge_both = true,				\
 	.edge_both_offset = 16,					\
 	.edge_single_offset = 8,				\
 	.pol_low_offset = 0,					\
 	.pin_sel_mask = 0x7f,					\
+	.nr_channels = 8,					\
+
+#define INIT_MESON_S4_COMMON_DATA(irqs)				\
+	INIT_MESON_COMMON(irqs, meson_a1_gpio_irq_init,		\
+			  meson_a1_gpio_irq_sel_pin,		\
+			  meson_s4_gpio_irq_set_type)		\
+	.support_edge_both = true,				\
+	.edge_both_offset = 0,					\
+	.edge_single_offset = 12,				\
+	.pol_low_offset = 0,					\
+	.pin_sel_mask = 0xff,					\
+	.nr_channels = 12,					\
 
 static const struct meson_gpio_irq_params meson8_params = {
 	INIT_MESON8_COMMON_DATA(134)
@@ -121,6 +146,10 @@ static const struct meson_gpio_irq_params a1_params = {
 	INIT_MESON_A1_COMMON_DATA(62)
 };
 
+static const struct meson_gpio_irq_params s4_params = {
+	INIT_MESON_S4_COMMON_DATA(82)
+};
+
 static const struct of_device_id meson_irq_gpio_matches[] = {
 	{ .compatible = "amlogic,meson8-gpio-intc", .data = &meson8_params },
 	{ .compatible = "amlogic,meson8b-gpio-intc", .data = &meson8b_params },
@@ -130,14 +159,15 @@ static const struct of_device_id meson_irq_gpio_matches[] = {
 	{ .compatible = "amlogic,meson-g12a-gpio-intc", .data = &axg_params },
 	{ .compatible = "amlogic,meson-sm1-gpio-intc", .data = &sm1_params },
 	{ .compatible = "amlogic,meson-a1-gpio-intc", .data = &a1_params },
+	{ .compatible = "amlogic,meson-s4-gpio-intc", .data = &s4_params },
 	{ }
 };
 
 struct meson_gpio_irq_controller {
 	const struct meson_gpio_irq_params *params;
 	void __iomem *base;
-	u32 channel_irqs[NUM_CHANNEL];
-	DECLARE_BITMAP(channel_map, NUM_CHANNEL);
+	u32 channel_irqs[MAX_NUM_CHANNEL];
+	DECLARE_BITMAP(channel_map, MAX_NUM_CHANNEL);
 	spinlock_t lock;
 };
 
@@ -207,8 +237,8 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl,
 	spin_lock_irqsave(&ctl->lock, flags);
 
 	/* Find a free channel */
-	idx = find_first_zero_bit(ctl->channel_map, NUM_CHANNEL);
-	if (idx >= NUM_CHANNEL) {
+	idx = find_first_zero_bit(ctl->channel_map, ctl->params->nr_channels);
+	if (idx >= ctl->params->nr_channels) {
 		spin_unlock_irqrestore(&ctl->lock, flags);
 		pr_err("No channel available\n");
 		return -ENOSPC;
@@ -256,9 +286,8 @@ meson_gpio_irq_release_channel(struct meson_gpio_irq_controller *ctl,
 	clear_bit(idx, ctl->channel_map);
 }
 
-static int meson_gpio_irq_type_setup(struct meson_gpio_irq_controller *ctl,
-				     unsigned int type,
-				     u32 *channel_hwirq)
+static int meson8_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl,
+				    unsigned int type, u32 *channel_hwirq)
 {
 	u32 val = 0;
 	unsigned int idx;
@@ -299,6 +328,51 @@ static int meson_gpio_irq_type_setup(struct meson_gpio_irq_controller *ctl,
 	return 0;
 }
 
+/*
+ * gpio irq relative registers for s4
+ * -PADCTRL_GPIO_IRQ_CTRL0
+ * bit[31]:    enable/disable all the irq lines
+ * bit[12-23]: single edge trigger
+ * bit[0-11]:  polarity trigger
+ *
+ * -PADCTRL_GPIO_IRQ_CTRL[X]
+ * bit[0-16]: 7 bits to choose gpio source for irq line 2*[X] - 2
+ * bit[16-22]:7 bits to choose gpio source for irq line 2*[X] - 1
+ * where X = 1-6
+ *
+ * -PADCTRL_GPIO_IRQ_CTRL[7]
+ * bit[0-11]: both edge trigger
+ */
+static int meson_s4_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl,
+				      unsigned int type, u32 *channel_hwirq)
+{
+	u32 val = 0;
+	unsigned int idx;
+
+	idx = meson_gpio_irq_get_channel_idx(ctl, channel_hwirq);
+
+	type &= IRQ_TYPE_SENSE_MASK;
+
+	meson_gpio_irq_update_bits(ctl, REG_EDGE_POL_S4, BIT(idx), 0);
+
+	if (type == IRQ_TYPE_EDGE_BOTH) {
+		val |= BIT(ctl->params->edge_both_offset + idx);
+		meson_gpio_irq_update_bits(ctl, REG_EDGE_POL_S4,
+					   BIT(ctl->params->edge_both_offset + idx), val);
+		return 0;
+	}
+
+	if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING))
+		val |= BIT(ctl->params->pol_low_offset + idx);
+
+	if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
+		val |= BIT(ctl->params->edge_single_offset + idx);
+
+	meson_gpio_irq_update_bits(ctl, REG_EDGE_POL,
+				   BIT(idx) | BIT(12 + idx), val);
+	return 0;
+};
+
 static unsigned int meson_gpio_irq_type_output(unsigned int type)
 {
 	unsigned int sense = type & IRQ_TYPE_SENSE_MASK;
@@ -323,7 +397,7 @@ static int meson_gpio_irq_set_type(struct irq_data *data, unsigned int type)
 	u32 *channel_hwirq = irq_data_get_irq_chip_data(data);
 	int ret;
 
-	ret = meson_gpio_irq_type_setup(ctl, type, channel_hwirq);
+	ret = ctl->params->ops.gpio_irq_set_type(ctl, type, channel_hwirq);
 	if (ret)
 		return ret;
 
@@ -450,10 +524,10 @@ static int meson_gpio_irq_parse_dt(struct device_node *node, struct meson_gpio_i
 	ret = of_property_read_variable_u32_array(node,
 						  "amlogic,channel-interrupts",
 						  ctl->channel_irqs,
-						  NUM_CHANNEL,
-						  NUM_CHANNEL);
+						  ctl->params->nr_channels,
+						  ctl->params->nr_channels);
 	if (ret < 0) {
-		pr_err("can't get %d channel interrupts\n", NUM_CHANNEL);
+		pr_err("can't get %d channel interrupts\n", ctl->params->nr_channels);
 		return ret;
 	}
 
@@ -507,7 +581,7 @@ static int meson_gpio_irq_of_init(struct device_node *node, struct device_node *
 	}
 
 	pr_info("%d to %d gpio interrupt mux initialized\n",
-		ctl->params->nr_hwirq, NUM_CHANNEL);
+		ctl->params->nr_hwirq, ctl->params->nr_channels);
 
 	return 0;
 
diff --git a/drivers/irqchip/irq-mvebu-pic.c b/drivers/irqchip/irq-mvebu-pic.c
index 870f9866b8da..ef3d3646ccc2 100644
--- a/drivers/irqchip/irq-mvebu-pic.c
+++ b/drivers/irqchip/irq-mvebu-pic.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/seq_file.h>
 
 #define PIC_CAUSE	       0x0
 #define PIC_MASK	       0x4
@@ -29,7 +30,7 @@ struct mvebu_pic {
 	void __iomem *base;
 	u32 parent_irq;
 	struct irq_domain *domain;
-	struct irq_chip irq_chip;
+	struct platform_device *pdev;
 };
 
 static void mvebu_pic_reset(struct mvebu_pic *pic)
@@ -66,6 +67,20 @@ static void mvebu_pic_unmask_irq(struct irq_data *d)
 	writel(reg, pic->base + PIC_MASK);
 }
 
+static void mvebu_pic_print_chip(struct irq_data *d, struct seq_file *p)
+{
+	struct mvebu_pic *pic = irq_data_get_irq_chip_data(d);
+
+	seq_printf(p, dev_name(&pic->pdev->dev));
+}
+
+static const struct irq_chip mvebu_pic_chip = {
+	.irq_mask	= mvebu_pic_mask_irq,
+	.irq_unmask	= mvebu_pic_unmask_irq,
+	.irq_eoi	= mvebu_pic_eoi_irq,
+	.irq_print_chip	= mvebu_pic_print_chip,
+};
+
 static int mvebu_pic_irq_map(struct irq_domain *domain, unsigned int virq,
 			     irq_hw_number_t hwirq)
 {
@@ -73,8 +88,7 @@ static int mvebu_pic_irq_map(struct irq_domain *domain, unsigned int virq,
 
 	irq_set_percpu_devid(virq);
 	irq_set_chip_data(virq, pic);
-	irq_set_chip_and_handler(virq, &pic->irq_chip,
-				 handle_percpu_devid_irq);
+	irq_set_chip_and_handler(virq, &mvebu_pic_chip, handle_percpu_devid_irq);
 	irq_set_status_flags(virq, IRQ_LEVEL);
 	irq_set_probe(virq);
 
@@ -120,22 +134,16 @@ static int mvebu_pic_probe(struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct mvebu_pic *pic;
-	struct irq_chip *irq_chip;
 
 	pic = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_pic), GFP_KERNEL);
 	if (!pic)
 		return -ENOMEM;
 
+	pic->pdev = pdev;
 	pic->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pic->base))
 		return PTR_ERR(pic->base);
 
-	irq_chip = &pic->irq_chip;
-	irq_chip->name = dev_name(&pdev->dev);
-	irq_chip->irq_mask = mvebu_pic_mask_irq;
-	irq_chip->irq_unmask = mvebu_pic_unmask_irq;
-	irq_chip->irq_eoi = mvebu_pic_eoi_irq;
-
 	pic->parent_irq = irq_of_parse_and_map(node, 0);
 	if (pic->parent_irq <= 0) {
 		dev_err(&pdev->dev, "Failed to parse parent interrupt\n");
diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c
index ba4759b3e269..94230306e0ee 100644
--- a/drivers/irqchip/irq-nvic.c
+++ b/drivers/irqchip/irq-nvic.c
@@ -107,6 +107,7 @@ static int __init nvic_of_init(struct device_node *node,
 
 	if (!nvic_irq_domain) {
 		pr_warn("Failed to allocate irq domain\n");
+		iounmap(nvic_base);
 		return -ENOMEM;
 	}
 
@@ -116,6 +117,7 @@ static int __init nvic_of_init(struct device_node *node,
 	if (ret) {
 		pr_warn("Failed to allocate irq chips\n");
 		irq_domain_remove(nvic_irq_domain);
+		iounmap(nvic_base);
 		return ret;
 	}
 
diff --git a/drivers/irqchip/irq-qcom-mpm.c b/drivers/irqchip/irq-qcom-mpm.c
new file mode 100644
index 000000000000..eea5a753618c
--- /dev/null
+++ b/drivers/irqchip/irq-qcom-mpm.c
@@ -0,0 +1,461 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021, Linaro Limited
+ * Copyright (c) 2010-2020, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irqchip.h>
+#include <linux/irqdomain.h>
+#include <linux/mailbox_client.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/irq.h>
+#include <linux/spinlock.h>
+
+/*
+ * This is the driver for Qualcomm MPM (MSM Power Manager) interrupt controller,
+ * which is commonly found on Qualcomm SoCs built on the RPM architecture.
+ * Sitting in always-on domain, MPM monitors the wakeup interrupts when SoC is
+ * asleep, and wakes up the AP when one of those interrupts occurs.  This driver
+ * doesn't directly access physical MPM registers though.  Instead, the access
+ * is bridged via a piece of internal memory (SRAM) that is accessible to both
+ * AP and RPM.  This piece of memory is called 'vMPM' in the driver.
+ *
+ * When SoC is awake, the vMPM is owned by AP and the register setup by this
+ * driver all happens on vMPM.  When AP is about to get power collapsed, the
+ * driver sends a mailbox notification to RPM, which will take over the vMPM
+ * ownership and dump vMPM into physical MPM registers.  On wakeup, AP is woken
+ * up by a MPM pin/interrupt, and RPM will copy STATUS registers into vMPM.
+ * Then AP start owning vMPM again.
+ *
+ * vMPM register map:
+ *
+ *    31                              0
+ *    +--------------------------------+
+ *    |            TIMER0              | 0x00
+ *    +--------------------------------+
+ *    |            TIMER1              | 0x04
+ *    +--------------------------------+
+ *    |            ENABLE0             | 0x08
+ *    +--------------------------------+
+ *    |              ...               | ...
+ *    +--------------------------------+
+ *    |            ENABLEn             |
+ *    +--------------------------------+
+ *    |          FALLING_EDGE0         |
+ *    +--------------------------------+
+ *    |              ...               |
+ *    +--------------------------------+
+ *    |            STATUSn             |
+ *    +--------------------------------+
+ *
+ *    n = DIV_ROUND_UP(pin_cnt, 32)
+ *
+ */
+
+#define MPM_REG_ENABLE		0
+#define MPM_REG_FALLING_EDGE	1
+#define MPM_REG_RISING_EDGE	2
+#define MPM_REG_POLARITY	3
+#define MPM_REG_STATUS		4
+
+/* MPM pin map to GIC hwirq */
+struct mpm_gic_map {
+	int pin;
+	irq_hw_number_t hwirq;
+};
+
+struct qcom_mpm_priv {
+	void __iomem *base;
+	raw_spinlock_t lock;
+	struct mbox_client mbox_client;
+	struct mbox_chan *mbox_chan;
+	struct mpm_gic_map *maps;
+	unsigned int map_cnt;
+	unsigned int reg_stride;
+	struct irq_domain *domain;
+	struct generic_pm_domain genpd;
+};
+
+static u32 qcom_mpm_read(struct qcom_mpm_priv *priv, unsigned int reg,
+			 unsigned int index)
+{
+	unsigned int offset = (reg * priv->reg_stride + index + 2) * 4;
+
+	return readl_relaxed(priv->base + offset);
+}
+
+static void qcom_mpm_write(struct qcom_mpm_priv *priv, unsigned int reg,
+			   unsigned int index, u32 val)
+{
+	unsigned int offset = (reg * priv->reg_stride + index + 2) * 4;
+
+	writel_relaxed(val, priv->base + offset);
+
+	/* Ensure the write is completed */
+	wmb();
+}
+
+static void qcom_mpm_enable_irq(struct irq_data *d, bool en)
+{
+	struct qcom_mpm_priv *priv = d->chip_data;
+	int pin = d->hwirq;
+	unsigned int index = pin / 32;
+	unsigned int shift = pin % 32;
+	unsigned long flags, val;
+
+	raw_spin_lock_irqsave(&priv->lock, flags);
+
+	val = qcom_mpm_read(priv, MPM_REG_ENABLE, index);
+	__assign_bit(shift, &val, en);
+	qcom_mpm_write(priv, MPM_REG_ENABLE, index, val);
+
+	raw_spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static void qcom_mpm_mask(struct irq_data *d)
+{
+	qcom_mpm_enable_irq(d, false);
+
+	if (d->parent_data)
+		irq_chip_mask_parent(d);
+}
+
+static void qcom_mpm_unmask(struct irq_data *d)
+{
+	qcom_mpm_enable_irq(d, true);
+
+	if (d->parent_data)
+		irq_chip_unmask_parent(d);
+}
+
+static void mpm_set_type(struct qcom_mpm_priv *priv, bool set, unsigned int reg,
+			 unsigned int index, unsigned int shift)
+{
+	unsigned long flags, val;
+
+	raw_spin_lock_irqsave(&priv->lock, flags);
+
+	val = qcom_mpm_read(priv, reg, index);
+	__assign_bit(shift, &val, set);
+	qcom_mpm_write(priv, reg, index, val);
+
+	raw_spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static int qcom_mpm_set_type(struct irq_data *d, unsigned int type)
+{
+	struct qcom_mpm_priv *priv = d->chip_data;
+	int pin = d->hwirq;
+	unsigned int index = pin / 32;
+	unsigned int shift = pin % 32;
+
+	if (type & IRQ_TYPE_EDGE_RISING)
+		mpm_set_type(priv, true, MPM_REG_RISING_EDGE, index, shift);
+	else
+		mpm_set_type(priv, false, MPM_REG_RISING_EDGE, index, shift);
+
+	if (type & IRQ_TYPE_EDGE_FALLING)
+		mpm_set_type(priv, true, MPM_REG_FALLING_EDGE, index, shift);
+	else
+		mpm_set_type(priv, false, MPM_REG_FALLING_EDGE, index, shift);
+
+	if (type & IRQ_TYPE_LEVEL_HIGH)
+		mpm_set_type(priv, true, MPM_REG_POLARITY, index, shift);
+	else
+		mpm_set_type(priv, false, MPM_REG_POLARITY, index, shift);
+
+	if (!d->parent_data)
+		return 0;
+
+	if (type & IRQ_TYPE_EDGE_BOTH)
+		type = IRQ_TYPE_EDGE_RISING;
+
+	if (type & IRQ_TYPE_LEVEL_MASK)
+		type = IRQ_TYPE_LEVEL_HIGH;
+
+	return irq_chip_set_type_parent(d, type);
+}
+
+static struct irq_chip qcom_mpm_chip = {
+	.name			= "mpm",
+	.irq_eoi		= irq_chip_eoi_parent,
+	.irq_mask		= qcom_mpm_mask,
+	.irq_unmask		= qcom_mpm_unmask,
+	.irq_retrigger		= irq_chip_retrigger_hierarchy,
+	.irq_set_type		= qcom_mpm_set_type,
+	.irq_set_affinity	= irq_chip_set_affinity_parent,
+	.flags			= IRQCHIP_MASK_ON_SUSPEND |
+				  IRQCHIP_SKIP_SET_WAKE,
+};
+
+static struct mpm_gic_map *get_mpm_gic_map(struct qcom_mpm_priv *priv, int pin)
+{
+	struct mpm_gic_map *maps = priv->maps;
+	int i;
+
+	for (i = 0; i < priv->map_cnt; i++) {
+		if (maps[i].pin == pin)
+			return &maps[i];
+	}
+
+	return NULL;
+}
+
+static int qcom_mpm_alloc(struct irq_domain *domain, unsigned int virq,
+			  unsigned int nr_irqs, void *data)
+{
+	struct qcom_mpm_priv *priv = domain->host_data;
+	struct irq_fwspec *fwspec = data;
+	struct irq_fwspec parent_fwspec;
+	struct mpm_gic_map *map;
+	irq_hw_number_t pin;
+	unsigned int type;
+	int  ret;
+
+	ret = irq_domain_translate_twocell(domain, fwspec, &pin, &type);
+	if (ret)
+		return ret;
+
+	ret = irq_domain_set_hwirq_and_chip(domain, virq, pin,
+					    &qcom_mpm_chip, priv);
+	if (ret)
+		return ret;
+
+	map = get_mpm_gic_map(priv, pin);
+	if (map == NULL)
+		return irq_domain_disconnect_hierarchy(domain->parent, virq);
+
+	if (type & IRQ_TYPE_EDGE_BOTH)
+		type = IRQ_TYPE_EDGE_RISING;
+
+	if (type & IRQ_TYPE_LEVEL_MASK)
+		type = IRQ_TYPE_LEVEL_HIGH;
+
+	parent_fwspec.fwnode = domain->parent->fwnode;
+	parent_fwspec.param_count = 3;
+	parent_fwspec.param[0] = 0;
+	parent_fwspec.param[1] = map->hwirq;
+	parent_fwspec.param[2] = type;
+
+	return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs,
+					    &parent_fwspec);
+}
+
+static const struct irq_domain_ops qcom_mpm_ops = {
+	.alloc		= qcom_mpm_alloc,
+	.free		= irq_domain_free_irqs_common,
+	.translate	= irq_domain_translate_twocell,
+};
+
+/* Triggered by RPM when system resumes from deep sleep */
+static irqreturn_t qcom_mpm_handler(int irq, void *dev_id)
+{
+	struct qcom_mpm_priv *priv = dev_id;
+	unsigned long enable, pending;
+	irqreturn_t ret = IRQ_NONE;
+	unsigned long flags;
+	int i, j;
+
+	for (i = 0; i < priv->reg_stride; i++) {
+		raw_spin_lock_irqsave(&priv->lock, flags);
+		enable = qcom_mpm_read(priv, MPM_REG_ENABLE, i);
+		pending = qcom_mpm_read(priv, MPM_REG_STATUS, i);
+		pending &= enable;
+		raw_spin_unlock_irqrestore(&priv->lock, flags);
+
+		for_each_set_bit(j, &pending, 32) {
+			unsigned int pin = 32 * i + j;
+			struct irq_desc *desc = irq_resolve_mapping(priv->domain, pin);
+			struct irq_data *d = &desc->irq_data;
+
+			if (!irqd_is_level_type(d))
+				irq_set_irqchip_state(d->irq,
+						IRQCHIP_STATE_PENDING, true);
+			ret = IRQ_HANDLED;
+		}
+	}
+
+	return ret;
+}
+
+static int mpm_pd_power_off(struct generic_pm_domain *genpd)
+{
+	struct qcom_mpm_priv *priv = container_of(genpd, struct qcom_mpm_priv,
+						  genpd);
+	int i, ret;
+
+	for (i = 0; i < priv->reg_stride; i++)
+		qcom_mpm_write(priv, MPM_REG_STATUS, i, 0);
+
+	/* Notify RPM to write vMPM into HW */
+	ret = mbox_send_message(priv->mbox_chan, NULL);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static bool gic_hwirq_is_mapped(struct mpm_gic_map *maps, int cnt, u32 hwirq)
+{
+	int i;
+
+	for (i = 0; i < cnt; i++)
+		if (maps[i].hwirq == hwirq)
+			return true;
+
+	return false;
+}
+
+static int qcom_mpm_init(struct device_node *np, struct device_node *parent)
+{
+	struct platform_device *pdev = of_find_device_by_node(np);
+	struct device *dev = &pdev->dev;
+	struct irq_domain *parent_domain;
+	struct generic_pm_domain *genpd;
+	struct qcom_mpm_priv *priv;
+	unsigned int pin_cnt;
+	int i, irq;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	ret = of_property_read_u32(np, "qcom,mpm-pin-count", &pin_cnt);
+	if (ret) {
+		dev_err(dev, "failed to read qcom,mpm-pin-count: %d\n", ret);
+		return ret;
+	}
+
+	priv->reg_stride = DIV_ROUND_UP(pin_cnt, 32);
+
+	ret = of_property_count_u32_elems(np, "qcom,mpm-pin-map");
+	if (ret < 0) {
+		dev_err(dev, "failed to read qcom,mpm-pin-map: %d\n", ret);
+		return ret;
+	}
+
+	if (ret % 2) {
+		dev_err(dev, "invalid qcom,mpm-pin-map\n");
+		return -EINVAL;
+	}
+
+	priv->map_cnt = ret / 2;
+	priv->maps = devm_kcalloc(dev, priv->map_cnt, sizeof(*priv->maps),
+				  GFP_KERNEL);
+	if (!priv->maps)
+		return -ENOMEM;
+
+	for (i = 0; i < priv->map_cnt; i++) {
+		u32 pin, hwirq;
+
+		of_property_read_u32_index(np, "qcom,mpm-pin-map", i * 2, &pin);
+		of_property_read_u32_index(np, "qcom,mpm-pin-map", i * 2 + 1, &hwirq);
+
+		if (gic_hwirq_is_mapped(priv->maps, i, hwirq)) {
+			dev_warn(dev, "failed to map pin %d as GIC hwirq %d is already mapped\n",
+				 pin, hwirq);
+			continue;
+		}
+
+		priv->maps[i].pin = pin;
+		priv->maps[i].hwirq = hwirq;
+	}
+
+	raw_spin_lock_init(&priv->lock);
+
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
+	if (!priv->base)
+		return PTR_ERR(priv->base);
+
+	for (i = 0; i < priv->reg_stride; i++) {
+		qcom_mpm_write(priv, MPM_REG_ENABLE, i, 0);
+		qcom_mpm_write(priv, MPM_REG_FALLING_EDGE, i, 0);
+		qcom_mpm_write(priv, MPM_REG_RISING_EDGE, i, 0);
+		qcom_mpm_write(priv, MPM_REG_POLARITY, i, 0);
+		qcom_mpm_write(priv, MPM_REG_STATUS, i, 0);
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	genpd = &priv->genpd;
+	genpd->flags = GENPD_FLAG_IRQ_SAFE;
+	genpd->power_off = mpm_pd_power_off;
+
+	genpd->name = devm_kasprintf(dev, GFP_KERNEL, "%s", dev_name(dev));
+	if (!genpd->name)
+		return -ENOMEM;
+
+	ret = pm_genpd_init(genpd, NULL, false);
+	if (ret) {
+		dev_err(dev, "failed to init genpd: %d\n", ret);
+		return ret;
+	}
+
+	ret = of_genpd_add_provider_simple(np, genpd);
+	if (ret) {
+		dev_err(dev, "failed to add genpd provider: %d\n", ret);
+		goto remove_genpd;
+	}
+
+	priv->mbox_client.dev = dev;
+	priv->mbox_chan = mbox_request_channel(&priv->mbox_client, 0);
+	if (IS_ERR(priv->mbox_chan)) {
+		ret = PTR_ERR(priv->mbox_chan);
+		dev_err(dev, "failed to acquire IPC channel: %d\n", ret);
+		return ret;
+	}
+
+	parent_domain = irq_find_host(parent);
+	if (!parent_domain) {
+		dev_err(dev, "failed to find MPM parent domain\n");
+		ret = -ENXIO;
+		goto free_mbox;
+	}
+
+	priv->domain = irq_domain_create_hierarchy(parent_domain,
+				IRQ_DOMAIN_FLAG_QCOM_MPM_WAKEUP, pin_cnt,
+				of_node_to_fwnode(np), &qcom_mpm_ops, priv);
+	if (!priv->domain) {
+		dev_err(dev, "failed to create MPM domain\n");
+		ret = -ENOMEM;
+		goto free_mbox;
+	}
+
+	irq_domain_update_bus_token(priv->domain, DOMAIN_BUS_WAKEUP);
+
+	ret = devm_request_irq(dev, irq, qcom_mpm_handler, IRQF_NO_SUSPEND,
+			       "qcom_mpm", priv);
+	if (ret) {
+		dev_err(dev, "failed to request irq: %d\n", ret);
+		goto remove_domain;
+	}
+
+	return 0;
+
+remove_domain:
+	irq_domain_remove(priv->domain);
+free_mbox:
+	mbox_free_channel(priv->mbox_chan);
+remove_genpd:
+	pm_genpd_remove(genpd);
+	return ret;
+}
+
+IRQCHIP_PLATFORM_DRIVER_BEGIN(qcom_mpm)
+IRQCHIP_MATCH("qcom,mpm", qcom_mpm_init)
+IRQCHIP_PLATFORM_DRIVER_END(qcom_mpm)
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. MSM Power Manager");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 37f9a4499fdb..e83756aca14e 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -508,7 +508,6 @@ static int intc_irqpin_probe(struct platform_device *pdev)
 
 	irq_chip = &p->irq_chip;
 	irq_chip->name = "intc-irqpin";
-	irq_chip->parent_device = dev;
 	irq_chip->irq_mask = disable_fn;
 	irq_chip->irq_unmask = enable_fn;
 	irq_chip->irq_set_type = intc_irqpin_irq_set_type;
@@ -523,6 +522,8 @@ static int intc_irqpin_probe(struct platform_device *pdev)
 		goto err0;
 	}
 
+	irq_domain_set_pm_device(p->irq_domain, dev);
+
 	if (p->shared_irqs) {
 		/* request one shared interrupt */
 		if (devm_request_irq(dev, p->irq[0].requested_irq,
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 909325f88239..1ee5e9941f67 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -188,13 +188,14 @@ static int irqc_probe(struct platform_device *pdev)
 	p->gc->reg_base = p->cpu_int_base;
 	p->gc->chip_types[0].regs.enable = IRQC_EN_SET;
 	p->gc->chip_types[0].regs.disable = IRQC_EN_STS;
-	p->gc->chip_types[0].chip.parent_device = dev;
 	p->gc->chip_types[0].chip.irq_mask = irq_gc_mask_disable_reg;
 	p->gc->chip_types[0].chip.irq_unmask = irq_gc_unmask_enable_reg;
 	p->gc->chip_types[0].chip.irq_set_type	= irqc_irq_set_type;
 	p->gc->chip_types[0].chip.irq_set_wake	= irqc_irq_set_wake;
 	p->gc->chip_types[0].chip.flags	= IRQCHIP_MASK_ON_SUSPEND;
 
+	irq_domain_set_pm_device(p->irq_domain, dev);
+
 	/* request interrupts one by one */
 	for (k = 0; k < p->number_of_irqs; k++) {
 		if (devm_request_irq(dev, p->irq[k].requested_irq,
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 09cc98266d30..bb87e4c3b88e 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -44,8 +44,8 @@
  * Each hart context has a vector of interrupt enable bits associated with it.
  * There's one bit for each interrupt source.
  */
-#define ENABLE_BASE			0x2000
-#define     ENABLE_PER_HART		0x80
+#define CONTEXT_ENABLE_BASE		0x2000
+#define     CONTEXT_ENABLE_SIZE		0x80
 
 /*
  * Each hart context has a set of control registers associated with it.  Right
@@ -53,7 +53,7 @@
  * take an interrupt, and a register to claim interrupts.
  */
 #define CONTEXT_BASE			0x200000
-#define     CONTEXT_PER_HART		0x1000
+#define     CONTEXT_SIZE		0x1000
 #define     CONTEXT_THRESHOLD		0x00
 #define     CONTEXT_CLAIM		0x04
 
@@ -81,17 +81,21 @@ static int plic_parent_irq __ro_after_init;
 static bool plic_cpuhp_setup_done __ro_after_init;
 static DEFINE_PER_CPU(struct plic_handler, plic_handlers);
 
-static inline void plic_toggle(struct plic_handler *handler,
-				int hwirq, int enable)
+static void __plic_toggle(void __iomem *enable_base, int hwirq, int enable)
 {
-	u32 __iomem *reg = handler->enable_base + (hwirq / 32) * sizeof(u32);
+	u32 __iomem *reg = enable_base + (hwirq / 32) * sizeof(u32);
 	u32 hwirq_mask = 1 << (hwirq % 32);
 
-	raw_spin_lock(&handler->enable_lock);
 	if (enable)
 		writel(readl(reg) | hwirq_mask, reg);
 	else
 		writel(readl(reg) & ~hwirq_mask, reg);
+}
+
+static void plic_toggle(struct plic_handler *handler, int hwirq, int enable)
+{
+	raw_spin_lock(&handler->enable_lock);
+	__plic_toggle(handler->enable_base, hwirq, enable);
 	raw_spin_unlock(&handler->enable_lock);
 }
 
@@ -324,8 +328,18 @@ static int __init plic_init(struct device_node *node,
 		 * Skip contexts other than external interrupts for our
 		 * privilege level.
 		 */
-		if (parent.args[0] != RV_IRQ_EXT)
+		if (parent.args[0] != RV_IRQ_EXT) {
+			/* Disable S-mode enable bits if running in M-mode. */
+			if (IS_ENABLED(CONFIG_RISCV_M_MODE)) {
+				void __iomem *enable_base = priv->regs +
+					CONTEXT_ENABLE_BASE +
+					i * CONTEXT_ENABLE_SIZE;
+
+				for (hwirq = 1; hwirq <= nr_irqs; hwirq++)
+					__plic_toggle(enable_base, hwirq, 0);
+			}
 			continue;
+		}
 
 		hartid = riscv_of_parent_hartid(parent.np);
 		if (hartid < 0) {
@@ -361,11 +375,11 @@ static int __init plic_init(struct device_node *node,
 
 		cpumask_set_cpu(cpu, &priv->lmask);
 		handler->present = true;
-		handler->hart_base =
-			priv->regs + CONTEXT_BASE + i * CONTEXT_PER_HART;
+		handler->hart_base = priv->regs + CONTEXT_BASE +
+			i * CONTEXT_SIZE;
 		raw_spin_lock_init(&handler->enable_lock);
-		handler->enable_base =
-			priv->regs + ENABLE_BASE + i * ENABLE_PER_HART;
+		handler->enable_base = priv->regs + CONTEXT_ENABLE_BASE +
+			i * CONTEXT_ENABLE_SIZE;
 		handler->priv = priv;
 done:
 		for (hwirq = 1; hwirq <= nr_irqs; hwirq++)
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index b7cb2da71888..9d18f47040eb 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -214,6 +214,48 @@ static const struct stm32_desc_irq stm32mp1_desc_irq[] = {
 	{ .exti = 73, .irq_parent = 129, .chip = &stm32_exti_h_chip },
 };
 
+static const struct stm32_desc_irq stm32mp13_desc_irq[] = {
+	{ .exti = 0, .irq_parent = 6, .chip = &stm32_exti_h_chip },
+	{ .exti = 1, .irq_parent = 7, .chip = &stm32_exti_h_chip },
+	{ .exti = 2, .irq_parent = 8, .chip = &stm32_exti_h_chip },
+	{ .exti = 3, .irq_parent = 9, .chip = &stm32_exti_h_chip },
+	{ .exti = 4, .irq_parent = 10, .chip = &stm32_exti_h_chip },
+	{ .exti = 5, .irq_parent = 24, .chip = &stm32_exti_h_chip },
+	{ .exti = 6, .irq_parent = 65, .chip = &stm32_exti_h_chip },
+	{ .exti = 7, .irq_parent = 66, .chip = &stm32_exti_h_chip },
+	{ .exti = 8, .irq_parent = 67, .chip = &stm32_exti_h_chip },
+	{ .exti = 9, .irq_parent = 68, .chip = &stm32_exti_h_chip },
+	{ .exti = 10, .irq_parent = 41, .chip = &stm32_exti_h_chip },
+	{ .exti = 11, .irq_parent = 43, .chip = &stm32_exti_h_chip },
+	{ .exti = 12, .irq_parent = 77, .chip = &stm32_exti_h_chip },
+	{ .exti = 13, .irq_parent = 78, .chip = &stm32_exti_h_chip },
+	{ .exti = 14, .irq_parent = 106, .chip = &stm32_exti_h_chip },
+	{ .exti = 15, .irq_parent = 109, .chip = &stm32_exti_h_chip },
+	{ .exti = 16, .irq_parent = 1, .chip = &stm32_exti_h_chip },
+	{ .exti = 19, .irq_parent = 3, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 21, .irq_parent = 32, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 22, .irq_parent = 34, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 23, .irq_parent = 73, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 24, .irq_parent = 93, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 25, .irq_parent = 114, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 26, .irq_parent = 38, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 27, .irq_parent = 39, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 28, .irq_parent = 40, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 29, .irq_parent = 72, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 30, .irq_parent = 53, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 31, .irq_parent = 54, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 32, .irq_parent = 83, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 33, .irq_parent = 84, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 44, .irq_parent = 96, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 47, .irq_parent = 92, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 48, .irq_parent = 116, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 50, .irq_parent = 117, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 52, .irq_parent = 118, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 53, .irq_parent = 119, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 68, .irq_parent = 63, .chip = &stm32_exti_h_chip_direct },
+	{ .exti = 70, .irq_parent = 98, .chip = &stm32_exti_h_chip_direct },
+};
+
 static const struct stm32_exti_drv_data stm32mp1_drv_data = {
 	.exti_banks = stm32mp1_exti_banks,
 	.bank_nr = ARRAY_SIZE(stm32mp1_exti_banks),
@@ -221,6 +263,13 @@ static const struct stm32_exti_drv_data stm32mp1_drv_data = {
 	.irq_nr = ARRAY_SIZE(stm32mp1_desc_irq),
 };
 
+static const struct stm32_exti_drv_data stm32mp13_drv_data = {
+	.exti_banks = stm32mp1_exti_banks,
+	.bank_nr = ARRAY_SIZE(stm32mp1_exti_banks),
+	.desc_irqs = stm32mp13_desc_irq,
+	.irq_nr = ARRAY_SIZE(stm32mp13_desc_irq),
+};
+
 static const struct
 stm32_desc_irq *stm32_exti_get_desc(const struct stm32_exti_drv_data *drv_data,
 				    irq_hw_number_t hwirq)
@@ -922,6 +971,7 @@ static int stm32_exti_probe(struct platform_device *pdev)
 /* platform driver only for MP1 */
 static const struct of_device_id stm32_exti_ids[] = {
 	{ .compatible = "st,stm32mp1-exti", .data = &stm32mp1_drv_data},
+	{ .compatible = "st,stm32mp13-exti", .data = &stm32mp13_drv_data},
 	{},
 };
 MODULE_DEVICE_TABLE(of, stm32_exti_ids);
diff --git a/drivers/irqchip/irq-ts4800.c b/drivers/irqchip/irq-ts4800.c
index f032db23b30f..b2d61d4f6fe6 100644
--- a/drivers/irqchip/irq-ts4800.c
+++ b/drivers/irqchip/irq-ts4800.c
@@ -19,14 +19,15 @@
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/seq_file.h>
 
 #define IRQ_MASK        0x4
 #define IRQ_STATUS      0x8
 
 struct ts4800_irq_data {
 	void __iomem            *base;
+	struct platform_device	*pdev;
 	struct irq_domain       *domain;
-	struct irq_chip         irq_chip;
 };
 
 static void ts4800_irq_mask(struct irq_data *d)
@@ -47,12 +48,25 @@ static void ts4800_irq_unmask(struct irq_data *d)
 	writew(reg & ~mask, data->base + IRQ_MASK);
 }
 
+static void ts4800_irq_print_chip(struct irq_data *d, struct seq_file *p)
+{
+	struct ts4800_irq_data *data = irq_data_get_irq_chip_data(d);
+
+	seq_printf(p, "%s", dev_name(&data->pdev->dev));
+}
+
+static const struct irq_chip ts4800_chip = {
+	.irq_mask	= ts4800_irq_mask,
+	.irq_unmask	= ts4800_irq_unmask,
+	.irq_print_chip	= ts4800_irq_print_chip,
+};
+
 static int ts4800_irqdomain_map(struct irq_domain *d, unsigned int irq,
 				irq_hw_number_t hwirq)
 {
 	struct ts4800_irq_data *data = d->host_data;
 
-	irq_set_chip_and_handler(irq, &data->irq_chip, handle_simple_irq);
+	irq_set_chip_and_handler(irq, &ts4800_chip, handle_simple_irq);
 	irq_set_chip_data(irq, data);
 	irq_set_noprobe(irq);
 
@@ -92,13 +106,13 @@ static int ts4800_ic_probe(struct platform_device *pdev)
 {
 	struct device_node *node = pdev->dev.of_node;
 	struct ts4800_irq_data *data;
-	struct irq_chip *irq_chip;
 	int parent_irq;
 
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
+	data->pdev = pdev;
 	data->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(data->base))
 		return PTR_ERR(data->base);
@@ -111,11 +125,6 @@ static int ts4800_ic_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	irq_chip = &data->irq_chip;
-	irq_chip->name = dev_name(&pdev->dev);
-	irq_chip->irq_mask = ts4800_irq_mask;
-	irq_chip->irq_unmask = ts4800_irq_unmask;
-
 	data->domain = irq_domain_add_linear(node, 8, &ts4800_ic_ops, data);
 	if (!data->domain) {
 		dev_err(&pdev->dev, "cannot add IRQ domain\n");
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index f2757b6aecc8..ba543ed9c154 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -7,12 +7,12 @@
 #include <linux/io.h>
 #include <linux/irqchip.h>
 #include <linux/irqchip/chained_irq.h>
-#include <linux/irqchip/versatile-fpga.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
+#include <linux/seq_file.h>
 
 #include <asm/exception.h>
 #include <asm/mach/irq.h>
@@ -34,14 +34,12 @@
 /**
  * struct fpga_irq_data - irq data container for the FPGA IRQ controller
  * @base: memory offset in virtual memory
- * @chip: chip container for this instance
  * @domain: IRQ domain for this instance
  * @valid: mask for valid IRQs on this controller
  * @used_irqs: number of active IRQs on this controller
  */
 struct fpga_irq_data {
 	void __iomem *base;
-	struct irq_chip chip;
 	u32 valid;
 	struct irq_domain *domain;
 	u8 used_irqs;
@@ -67,6 +65,20 @@ static void fpga_irq_unmask(struct irq_data *d)
 	writel(mask, f->base + IRQ_ENABLE_SET);
 }
 
+static void fpga_irq_print_chip(struct irq_data *d, struct seq_file *p)
+{
+	struct fpga_irq_data *f = irq_data_get_irq_chip_data(d);
+
+	seq_printf(p, irq_domain_get_of_node(f->domain)->name);
+}
+
+static const struct irq_chip fpga_chip = {
+	.irq_ack	= fpga_irq_mask,
+	.irq_mask	= fpga_irq_mask,
+	.irq_unmask	= fpga_irq_unmask,
+	.irq_print_chip	= fpga_irq_print_chip,
+};
+
 static void fpga_irq_handle(struct irq_desc *desc)
 {
 	struct irq_chip *chip = irq_desc_get_chip(desc);
@@ -116,7 +128,7 @@ static int handle_one_fpga(struct fpga_irq_data *f, struct pt_regs *regs)
  * Keep iterating over all registered FPGA IRQ controllers until there are
  * no pending interrupts.
  */
-asmlinkage void __exception_irq_entry fpga_handle_irq(struct pt_regs *regs)
+static asmlinkage void __exception_irq_entry fpga_handle_irq(struct pt_regs *regs)
 {
 	int i, handled;
 
@@ -135,8 +147,7 @@ static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq,
 	if (!(f->valid & BIT(hwirq)))
 		return -EPERM;
 	irq_set_chip_data(irq, f);
-	irq_set_chip_and_handler(irq, &f->chip,
-				handle_level_irq);
+	irq_set_chip_and_handler(irq, &fpga_chip, handle_level_irq);
 	irq_set_probe(irq);
 	return 0;
 }
@@ -146,8 +157,8 @@ static const struct irq_domain_ops fpga_irqdomain_ops = {
 	.xlate = irq_domain_xlate_onetwocell,
 };
 
-void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start,
-			  int parent_irq, u32 valid, struct device_node *node)
+static void __init fpga_irq_init(void __iomem *base, int parent_irq,
+				 u32 valid, struct device_node *node)
 {
 	struct fpga_irq_data *f;
 	int i;
@@ -158,10 +169,6 @@ void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start,
 	}
 	f = &fpga_irq_devices[fpga_irq_id];
 	f->base = base;
-	f->chip.name = name;
-	f->chip.irq_ack = fpga_irq_mask;
-	f->chip.irq_mask = fpga_irq_mask;
-	f->chip.irq_unmask = fpga_irq_unmask;
 	f->valid = valid;
 
 	if (parent_irq != -1) {
@@ -169,20 +176,19 @@ void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start,
 						 f);
 	}
 
-	/* This will also allocate irq descriptors */
-	f->domain = irq_domain_add_simple(node, fls(valid), irq_start,
+	f->domain = irq_domain_add_linear(node, fls(valid),
 					  &fpga_irqdomain_ops, f);
 
 	/* This will allocate all valid descriptors in the linear case */
 	for (i = 0; i < fls(valid); i++)
 		if (valid & BIT(i)) {
-			if (!irq_start)
-				irq_create_mapping(f->domain, i);
+			/* Is this still required? */
+			irq_create_mapping(f->domain, i);
 			f->used_irqs++;
 		}
 
 	pr_info("FPGA IRQ chip %d \"%s\" @ %p, %u irqs",
-		fpga_irq_id, name, base, f->used_irqs);
+		fpga_irq_id, node->name, base, f->used_irqs);
 	if (parent_irq != -1)
 		pr_cont(", parent IRQ: %d\n", parent_irq);
 	else
@@ -192,8 +198,8 @@ void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start,
 }
 
 #ifdef CONFIG_OF
-int __init fpga_irq_of_init(struct device_node *node,
-			    struct device_node *parent)
+static int __init fpga_irq_of_init(struct device_node *node,
+				   struct device_node *parent)
 {
 	void __iomem *base;
 	u32 clear_mask;
@@ -222,7 +228,7 @@ int __init fpga_irq_of_init(struct device_node *node,
 		parent_irq = -1;
 	}
 
-	fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
+	fpga_irq_init(base, parent_irq, valid_mask, node);
 
 	/*
 	 * On Versatile AB/PB, some secondary interrupts have a direct
diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c
index 356a59755d63..238d3d344949 100644
--- a/drivers/irqchip/irq-xilinx-intc.c
+++ b/drivers/irqchip/irq-xilinx-intc.c
@@ -32,6 +32,8 @@
 #define MER_ME (1<<0)
 #define MER_HIE (1<<1)
 
+#define SPURIOUS_IRQ	(-1U)
+
 static DEFINE_STATIC_KEY_FALSE(xintc_is_be);
 
 struct xintc_irq_chip {
@@ -110,20 +112,6 @@ static struct irq_chip intc_dev = {
 	.irq_mask_ack = intc_mask_ack,
 };
 
-unsigned int xintc_get_irq(void)
-{
-	unsigned int irq = -1;
-	u32 hwirq;
-
-	hwirq = xintc_read(primary_intc, IVR);
-	if (hwirq != -1U)
-		irq = irq_find_mapping(primary_intc->root_domain, hwirq);
-
-	pr_debug("irq-xilinx: hwirq=%d, irq=%d\n", hwirq, irq);
-
-	return irq;
-}
-
 static int xintc_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
 {
 	struct xintc_irq_chip *irqc = d->host_data;
@@ -164,6 +152,19 @@ static void xil_intc_irq_handler(struct irq_desc *desc)
 	chained_irq_exit(chip, desc);
 }
 
+static void xil_intc_handle_irq(struct pt_regs *regs)
+{
+	u32 hwirq;
+
+	do {
+		hwirq = xintc_read(primary_intc, IVR);
+		if (unlikely(hwirq == SPURIOUS_IRQ))
+			break;
+
+		generic_handle_domain_irq(primary_intc->root_domain, hwirq);
+	} while (true);
+}
+
 static int __init xilinx_intc_of_init(struct device_node *intc,
 					     struct device_node *parent)
 {
@@ -233,6 +234,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
 	} else {
 		primary_intc = irqc;
 		irq_set_default_host(primary_intc->root_domain);
+		set_handle_irq(xil_intc_handle_irq);
 	}
 
 	return 0;
diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index 173e6520e06e..d96916cf6a41 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -21,23 +21,19 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 
-#define PDC_MAX_IRQS		168
 #define PDC_MAX_GPIO_IRQS	256
 
-#define CLEAR_INTR(reg, intr)	(reg & ~(1 << intr))
-#define ENABLE_INTR(reg, intr)	(reg | (1 << intr))
-
 #define IRQ_ENABLE_BANK		0x10
 #define IRQ_i_CFG		0x110
 
-#define PDC_NO_PARENT_IRQ	~0UL
-
 struct pdc_pin_region {
 	u32 pin_base;
 	u32 parent_base;
 	u32 cnt;
 };
 
+#define pin_to_hwirq(r, p)	((r)->parent_base + (p) - (r)->pin_base)
+
 static DEFINE_RAW_SPINLOCK(pdc_lock);
 static void __iomem *pdc_base;
 static struct pdc_pin_region *pdc_region;
@@ -56,17 +52,18 @@ static u32 pdc_reg_read(int reg, u32 i)
 static void pdc_enable_intr(struct irq_data *d, bool on)
 {
 	int pin_out = d->hwirq;
+	unsigned long enable;
+	unsigned long flags;
 	u32 index, mask;
-	u32 enable;
 
 	index = pin_out / 32;
 	mask = pin_out % 32;
 
-	raw_spin_lock(&pdc_lock);
+	raw_spin_lock_irqsave(&pdc_lock, flags);
 	enable = pdc_reg_read(IRQ_ENABLE_BANK, index);
-	enable = on ? ENABLE_INTR(enable, mask) : CLEAR_INTR(enable, mask);
+	__assign_bit(mask, &enable, on);
 	pdc_reg_write(IRQ_ENABLE_BANK, index, enable);
-	raw_spin_unlock(&pdc_lock);
+	raw_spin_unlock_irqrestore(&pdc_lock, flags);
 }
 
 static void qcom_pdc_gic_disable(struct irq_data *d)
@@ -186,34 +183,17 @@ static struct irq_chip qcom_pdc_gic_chip = {
 	.irq_set_affinity	= irq_chip_set_affinity_parent,
 };
 
-static irq_hw_number_t get_parent_hwirq(int pin)
+static struct pdc_pin_region *get_pin_region(int pin)
 {
 	int i;
-	struct pdc_pin_region *region;
 
 	for (i = 0; i < pdc_region_cnt; i++) {
-		region = &pdc_region[i];
-		if (pin >= region->pin_base &&
-		    pin < region->pin_base + region->cnt)
-			return (region->parent_base + pin - region->pin_base);
+		if (pin >= pdc_region[i].pin_base &&
+		    pin < pdc_region[i].pin_base + pdc_region[i].cnt)
+			return &pdc_region[i];
 	}
 
-	return PDC_NO_PARENT_IRQ;
-}
-
-static int qcom_pdc_translate(struct irq_domain *d, struct irq_fwspec *fwspec,
-			      unsigned long *hwirq, unsigned int *type)
-{
-	if (is_of_node(fwspec->fwnode)) {
-		if (fwspec->param_count != 2)
-			return -EINVAL;
-
-		*hwirq = fwspec->param[0];
-		*type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK;
-		return 0;
-	}
-
-	return -EINVAL;
+	return NULL;
 }
 
 static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
@@ -221,55 +201,12 @@ static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
 {
 	struct irq_fwspec *fwspec = data;
 	struct irq_fwspec parent_fwspec;
-	irq_hw_number_t hwirq, parent_hwirq;
-	unsigned int type;
-	int ret;
-
-	ret = qcom_pdc_translate(domain, fwspec, &hwirq, &type);
-	if (ret)
-		return ret;
-
-	ret  = irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
-					     &qcom_pdc_gic_chip, NULL);
-	if (ret)
-		return ret;
-
-	parent_hwirq = get_parent_hwirq(hwirq);
-	if (parent_hwirq == PDC_NO_PARENT_IRQ)
-		return irq_domain_disconnect_hierarchy(domain->parent, virq);
-
-	if (type & IRQ_TYPE_EDGE_BOTH)
-		type = IRQ_TYPE_EDGE_RISING;
-
-	if (type & IRQ_TYPE_LEVEL_MASK)
-		type = IRQ_TYPE_LEVEL_HIGH;
-
-	parent_fwspec.fwnode      = domain->parent->fwnode;
-	parent_fwspec.param_count = 3;
-	parent_fwspec.param[0]    = 0;
-	parent_fwspec.param[1]    = parent_hwirq;
-	parent_fwspec.param[2]    = type;
-
-	return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs,
-					    &parent_fwspec);
-}
-
-static const struct irq_domain_ops qcom_pdc_ops = {
-	.translate	= qcom_pdc_translate,
-	.alloc		= qcom_pdc_alloc,
-	.free		= irq_domain_free_irqs_common,
-};
-
-static int qcom_pdc_gpio_alloc(struct irq_domain *domain, unsigned int virq,
-			       unsigned int nr_irqs, void *data)
-{
-	struct irq_fwspec *fwspec = data;
-	struct irq_fwspec parent_fwspec;
-	irq_hw_number_t hwirq, parent_hwirq;
+	struct pdc_pin_region *region;
+	irq_hw_number_t hwirq;
 	unsigned int type;
 	int ret;
 
-	ret = qcom_pdc_translate(domain, fwspec, &hwirq, &type);
+	ret = irq_domain_translate_twocell(domain, fwspec, &hwirq, &type);
 	if (ret)
 		return ret;
 
@@ -281,8 +218,8 @@ static int qcom_pdc_gpio_alloc(struct irq_domain *domain, unsigned int virq,
 	if (ret)
 		return ret;
 
-	parent_hwirq = get_parent_hwirq(hwirq);
-	if (parent_hwirq == PDC_NO_PARENT_IRQ)
+	region = get_pin_region(hwirq);
+	if (!region)
 		return irq_domain_disconnect_hierarchy(domain->parent, virq);
 
 	if (type & IRQ_TYPE_EDGE_BOTH)
@@ -294,23 +231,16 @@ static int qcom_pdc_gpio_alloc(struct irq_domain *domain, unsigned int virq,
 	parent_fwspec.fwnode      = domain->parent->fwnode;
 	parent_fwspec.param_count = 3;
 	parent_fwspec.param[0]    = 0;
-	parent_fwspec.param[1]    = parent_hwirq;
+	parent_fwspec.param[1]    = pin_to_hwirq(region, hwirq);
 	parent_fwspec.param[2]    = type;
 
 	return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs,
 					    &parent_fwspec);
 }
 
-static int qcom_pdc_gpio_domain_select(struct irq_domain *d,
-				       struct irq_fwspec *fwspec,
-				       enum irq_domain_bus_token bus_token)
-{
-	return bus_token == DOMAIN_BUS_WAKEUP;
-}
-
-static const struct irq_domain_ops qcom_pdc_gpio_ops = {
-	.select		= qcom_pdc_gpio_domain_select,
-	.alloc		= qcom_pdc_gpio_alloc,
+static const struct irq_domain_ops qcom_pdc_ops = {
+	.translate	= irq_domain_translate_twocell,
+	.alloc		= qcom_pdc_alloc,
 	.free		= irq_domain_free_irqs_common,
 };
 
@@ -361,7 +291,7 @@ static int pdc_setup_pin_mapping(struct device_node *np)
 
 static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
 {
-	struct irq_domain *parent_domain, *pdc_domain, *pdc_gpio_domain;
+	struct irq_domain *parent_domain, *pdc_domain;
 	int ret;
 
 	pdc_base = of_iomap(node, 0);
@@ -383,32 +313,21 @@ static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
 		goto fail;
 	}
 
-	pdc_domain = irq_domain_create_hierarchy(parent_domain, 0, PDC_MAX_IRQS,
-						 of_fwnode_handle(node),
-						 &qcom_pdc_ops, NULL);
-	if (!pdc_domain) {
-		pr_err("%pOF: GIC domain add failed\n", node);
-		ret = -ENOMEM;
-		goto fail;
-	}
-
-	pdc_gpio_domain = irq_domain_create_hierarchy(parent_domain,
+	pdc_domain = irq_domain_create_hierarchy(parent_domain,
 					IRQ_DOMAIN_FLAG_QCOM_PDC_WAKEUP,
 					PDC_MAX_GPIO_IRQS,
 					of_fwnode_handle(node),
-					&qcom_pdc_gpio_ops, NULL);
-	if (!pdc_gpio_domain) {
-		pr_err("%pOF: PDC domain add failed for GPIO domain\n", node);
+					&qcom_pdc_ops, NULL);
+	if (!pdc_domain) {
+		pr_err("%pOF: PDC domain add failed\n", node);
 		ret = -ENOMEM;
-		goto remove;
+		goto fail;
 	}
 
-	irq_domain_update_bus_token(pdc_gpio_domain, DOMAIN_BUS_WAKEUP);
+	irq_domain_update_bus_token(pdc_domain, DOMAIN_BUS_WAKEUP);
 
 	return 0;
 
-remove:
-	irq_domain_remove(pdc_domain);
 fail:
 	kfree(pdc_region);
 	iounmap(pdc_base);
author	Thomas Gleixner	2022-03-14 10:23:22 +0100
committer	Thomas Gleixner	2022-03-14 10:23:22 +0100
commit	f0fae8a0edd445d042ee94153f127e8939fcf3d3 (patch)
tree	e0fda9e211750c5ecc1838403bb2bb2fa59a9ed8 /drivers/irqchip
parent	ff8dcfebe08dfb2524041116d4afce53ffe0b015 (diff)
parent	de26a7424331493311c08625a700cf45d1eaf151 (diff)