Merge tag 'u-boot-imx-20210616' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

u-boot-imx-20210616
-------------------

- imxrt : fixes, USB, imxrt1020-evk
- imx8m:
	fix for verdin-imx8mm
	Add conga-QMX8 board
- imx6 :
	documentation for pico-imx6:
	Add SeeedStudio NPI-IMX6ULL Support
	ventana: DM PCI
- imx7d:
	added SMEGW01 board

CI : https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/7765

7 files changed, 213 insertions, 16 deletions

diff --git a/drivers/clk/imx/clk-imxrt1050.c b/drivers/clk/imx/clk-imxrt1050.c
index 594093ee5fb..3e171610024 100644
--- a/drivers/clk/imx/clk-imxrt1050.c
+++ b/drivers/clk/imx/clk-imxrt1050.c
@@ -255,8 +255,12 @@ static int imxrt1050_clk_probe(struct udevice *dev)
 	       imx_clk_gate2("lpuart1", "lpuart_podf", base + 0x7c, 24));
 	clk_dm(IMXRT1050_CLK_SEMC,
 	       imx_clk_gate2("semc", "semc_podf", base + 0x74, 4));
-	clk_dm(IMXRT1050_CLK_LCDIF,
-	       imx_clk_gate2("lcdif", "lcdif_podf", base + 0x74, 10));
+	clk_dm(IMXRT1050_CLK_LCDIF_APB,
+	       imx_clk_gate2("lcdif", "lcdif_podf", base + 0x70, 28));
+	clk_dm(IMXRT1050_CLK_LCDIF_PIX,
+	       imx_clk_gate2("lcdif_pix", "lcdif", base + 0x74, 10));
+	clk_dm(IMXRT1050_CLK_USBOH3,
+	       imx_clk_gate2("usboh3", "pll3_usb_otg", base + 0x80, 0));
 
 	struct clk *clk, *clk1;
 
diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig
index 80743a25519..ee81dfa7768 100644
--- a/drivers/timer/Kconfig
+++ b/drivers/timer/Kconfig
@@ -227,4 +227,11 @@ config MCHP_PIT64B_TIMER
 	  Select this to enable support for Microchip 64-bit periodic
 	  interval timer.
 
+config IMX_GPT_TIMER
+	bool "NXP i.MX GPT timer support"
+	depends on TIMER
+	help
+	  Select this to enable support for the timer found on
+	  NXP i.MX devices.
+
 endmenu
diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile
index 2ebdeab0ce1..e2bd530eb04 100644
--- a/drivers/timer/Makefile
+++ b/drivers/timer/Makefile
@@ -25,3 +25,4 @@ obj-$(CONFIG_STM32_TIMER)	+= stm32_timer.o
 obj-$(CONFIG_X86_TSC_TIMER)	+= tsc_timer.o
 obj-$(CONFIG_MTK_TIMER)		+= mtk_timer.o
 obj-$(CONFIG_MCHP_PIT64B_TIMER)	+= mchp-pit64b-timer.o
+obj-$(CONFIG_IMX_GPT_TIMER)	+= imx-gpt-timer.o
diff --git a/drivers/timer/imx-gpt-timer.c b/drivers/timer/imx-gpt-timer.c
new file mode 100644
index 00000000000..72be2977547
--- /dev/null
+++ b/drivers/timer/imx-gpt-timer.c
@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <timer.h>
+#include <dm/device_compat.h>
+
+#include <asm/io.h>
+
+#define GPT_CR_EN			BIT(0)
+#define GPT_CR_FRR			BIT(9)
+#define GPT_CR_EN_24M			BIT(10)
+#define GPT_CR_SWR			BIT(15)
+
+#define GPT_PR_PRESCALER24M_MASK	0x0000F000
+#define GPT_PR_PRESCALER24M_SHIFT	12
+#define GPT_PR_PRESCALER24M_MAX	(GPT_PR_PRESCALER24M_MASK >> GPT_PR_PRESCALER24M_SHIFT)
+#define GPT_PR_PRESCALER_MASK		0x00000FFF
+#define GPT_PR_PRESCALER_SHIFT		0
+#define GPT_PR_PRESCALER_MAX		(GPT_PR_PRESCALER_MASK >> GPT_PR_PRESCALER_SHIFT)
+
+#define GPT_CLKSRC_IPG_CLK		(1 << 6)
+#define GPT_CLKSRC_IPG_CLK_24M		(5 << 6)
+
+/* If CONFIG_SYS_HZ_CLOCK not specified et's default to 3Mhz */
+#ifndef CONFIG_SYS_HZ_CLOCK
+#define CONFIG_SYS_HZ_CLOCK		3000000
+#endif
+
+struct imx_gpt_timer_regs {
+	u32 cr;
+	u32 pr;
+	u32 sr;
+	u32 ir;
+	u32 ocr1;
+	u32 ocr2;
+	u32 ocr3;
+	u32 icr1;
+	u32 icr2;
+	u32 cnt;
+};
+
+struct imx_gpt_timer_priv {
+	struct imx_gpt_timer_regs *base;
+};
+
+static u64 imx_gpt_timer_get_count(struct udevice *dev)
+{
+	struct imx_gpt_timer_priv *priv = dev_get_priv(dev);
+	struct imx_gpt_timer_regs *regs = priv->base;
+
+	return timer_conv_64(readl(&regs->cnt));
+}
+
+static int imx_gpt_setup(struct imx_gpt_timer_regs *regs, u32 rate)
+{
+	u32 prescaler = (rate / CONFIG_SYS_HZ_CLOCK) - 1;
+
+	/* Reset the timer */
+	setbits_le32(&regs->cr, GPT_CR_SWR);
+
+	/* Wait for timer to finish reset */
+	while (readl(&regs->cr) & GPT_CR_SWR)
+		;
+
+	if (rate == 24000000UL) {
+		/* Set timer frequency if using 24M clock source */
+		if (prescaler > GPT_PR_PRESCALER24M_MAX)
+			return -EINVAL;
+
+		/* Set 24M prescaler */
+		writel((prescaler << GPT_PR_PRESCALER24M_SHIFT), &regs->pr);
+		/* Set Oscillator as clock source, enable 24M input and set gpt
+		 * in free-running mode
+		 */
+		writel(GPT_CLKSRC_IPG_CLK_24M | GPT_CR_EN_24M | GPT_CR_FRR, &regs->cr);
+	} else {
+		if (prescaler > GPT_PR_PRESCALER_MAX)
+			return -EINVAL;
+
+		/* Set prescaler */
+		writel((prescaler << GPT_PR_PRESCALER_SHIFT), &regs->pr);
+		/* Set Peripheral as clock source and set gpt in free-running
+		 * mode
+		 */
+		writel(GPT_CLKSRC_IPG_CLK | GPT_CR_FRR, &regs->cr);
+	}
+
+	/* Start timer */
+	setbits_le32(&regs->cr, GPT_CR_EN);
+
+	return 0;
+}
+
+static int imx_gpt_timer_probe(struct udevice *dev)
+{
+	struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
+	struct imx_gpt_timer_priv *priv = dev_get_priv(dev);
+	struct imx_gpt_timer_regs *regs;
+	struct clk clk;
+	fdt_addr_t addr;
+	u32 clk_rate;
+	int ret;
+
+	addr = dev_read_addr(dev);
+	if (addr == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	priv->base = (struct imx_gpt_timer_regs *)addr;
+	regs = priv->base;
+
+	ret = clk_get_by_index(dev, 0, &clk);
+	if (ret < 0)
+		return ret;
+
+	ret = clk_enable(&clk);
+	if (ret) {
+		dev_err(dev, "Failed to enable clock\n");
+		return ret;
+	}
+
+	/* Get timer clock rate */
+	clk_rate = clk_get_rate(&clk);
+	if (clk_rate <= 0) {
+		dev_err(dev, "Could not get clock rate...\n");
+		return -EINVAL;
+	}
+
+	ret = imx_gpt_setup(regs, clk_rate);
+	if (ret) {
+		dev_err(dev, "Could not setup timer\n");
+		return ret;
+	}
+
+	uc_priv->clock_rate = CONFIG_SYS_HZ_CLOCK;
+
+	return 0;
+}
+
+static const struct timer_ops imx_gpt_timer_ops = {
+	.get_count = imx_gpt_timer_get_count,
+};
+
+static const struct udevice_id imx_gpt_timer_ids[] = {
+	{ .compatible = "fsl,imxrt-gpt" },
+	{}
+};
+
+U_BOOT_DRIVER(imx_gpt_timer) = {
+	.name = "imx_gpt_timer",
+	.id = UCLASS_TIMER,
+	.of_match = imx_gpt_timer_ids,
+	.priv_auto = sizeof(struct imx_gpt_timer_priv),
+	.probe = imx_gpt_timer_probe,
+	.ops = &imx_gpt_timer_ops,
+};
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index bf5d82f0350..f34cba2395c 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -149,7 +149,7 @@ config USB_EHCI_MX5
 
 config USB_EHCI_MX6
 	bool "Support for i.MX6/i.MX7ULP on-chip EHCI USB controller"
-	depends on ARCH_MX6 || ARCH_MX7ULP
+	depends on ARCH_MX6 || ARCH_MX7ULP || ARCH_IMXRT
 	default y
 	---help---
 	  Enables support for the on-chip EHCI controller on i.MX6 SoCs.
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c
index 06be9deaaae..238c93183b0 100644
--- a/drivers/usb/host/ehci-mx6.c
+++ b/drivers/usb/host/ehci-mx6.c
@@ -177,7 +177,7 @@ static void __maybe_unused
 usb_power_config_mx7ulp(void *usbphy) { }
 #endif
 
-#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP)
+#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT)
 static const unsigned phy_bases[] = {
 	USB_PHY0_BASE_ADDR,
 #if defined(USB_PHY1_BASE_ADDR)
@@ -340,7 +340,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
 	enum usb_init_type type;
-#if defined(CONFIG_MX6)
+#if defined(CONFIG_MX6) || defined(CONFIG_IMXRT)
 	u32 controller_spacing = 0x200;
 	struct anatop_regs __iomem *anatop =
 		(struct anatop_regs __iomem *)ANATOP_BASE_ADDR;
@@ -382,7 +382,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 		return ret;
 	}
 
-#if defined(CONFIG_MX6)
+#if defined(CONFIG_MX6) || defined(CONFIG_IMXRT)
 	usb_power_config_mx6(anatop, index);
 #elif defined (CONFIG_MX7)
 	usb_power_config_mx7(usbnc);
@@ -392,7 +392,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 
 	usb_oc_config(usbnc, index);
 
-#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP)
+#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT)
 	if (index < ARRAY_SIZE(phy_bases)) {
 		usb_internal_phy_clock_gate((void __iomem *)phy_bases[index], 1);
 		usb_phy_enable(ehci, (void __iomem *)phy_bases[index]);
@@ -504,7 +504,7 @@ static int ehci_usb_phy_mode(struct udevice *dev)
 	 * About fsl,usbphy, Refer to
 	 * Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt.
 	 */
-	if (is_mx6() || is_mx7ulp()) {
+	if (is_mx6() || is_mx7ulp() || is_imxrt()) {
 		phy_off = fdtdec_lookup_phandle(blob,
 						offset,
 						"fsl,usbphy");
@@ -671,7 +671,7 @@ static int ehci_usb_probe(struct udevice *dev)
 
 	usb_oc_config(priv->misc_addr, priv->portnr);
 
-#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP)
+#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) || defined(CONFIG_IMXRT)
 	usb_internal_phy_clock_gate(priv->phy_addr, 1);
 	usb_phy_enable(ehci, priv->phy_addr);
 #endif
@@ -757,6 +757,7 @@ int ehci_usb_remove(struct udevice *dev)
 static const struct udevice_id mx6_usb_ids[] = {
 	{ .compatible = "fsl,imx27-usb" },
 	{ .compatible = "fsl,imx7d-usb" },
+	{ .compatible = "fsl,imxrt-usb" },
 	{ }
 };
 
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index e1fd36a62d6..523d8a8d983 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -67,26 +67,48 @@ static void mxs_lcd_init(struct udevice *dev, u32 fb_addr,
 	uint32_t vdctrl0;
 
 #if CONFIG_IS_ENABLED(CLK)
-	struct clk per_clk;
+	struct clk clk;
 	int ret;
 
-	ret = clk_get_by_name(dev, "per", &per_clk);
+	ret = clk_get_by_name(dev, "pix", &clk);
 	if (ret) {
-		dev_err(dev, "Failed to get mxs clk: %d\n", ret);
+		dev_err(dev, "Failed to get mxs pix clk: %d\n", ret);
 		return;
 	}
 
-	ret = clk_set_rate(&per_clk, timings->pixelclock.typ);
+	ret = clk_set_rate(&clk, timings->pixelclock.typ);
 	if (ret < 0) {
-		dev_err(dev, "Failed to set mxs clk: %d\n", ret);
+		dev_err(dev, "Failed to set mxs pix clk: %d\n", ret);
 		return;
 	}
 
-	ret = clk_enable(&per_clk);
+	ret = clk_enable(&clk);
 	if (ret < 0) {
-		dev_err(dev, "Failed to enable mxs clk: %d\n", ret);
+		dev_err(dev, "Failed to enable mxs pix clk: %d\n", ret);
 		return;
 	}
+
+	ret = clk_get_by_name(dev, "axi", &clk);
+	if (!ret) {
+		debug("%s: Failed to get mxs axi clk: %d\n", __func__, ret);
+	} else {
+		ret = clk_enable(&clk);
+		if (ret < 0) {
+			dev_err(dev, "Failed to enable mxs axi clk: %d\n", ret);
+			return;
+		}
+	}
+
+	ret = clk_get_by_name(dev, "disp_axi", &clk);
+	if (!ret) {
+		debug("%s: Failed to get mxs disp_axi clk: %d\n", __func__, ret);
+	} else {
+		ret = clk_enable(&clk);
+		if (ret < 0) {
+			dev_err(dev, "Failed to enable mxs disp_axi clk: %d\n", ret);
+			return;
+		}
+	}
 #else
 	/* Kick in the LCDIF clock */
 	mxs_set_lcdclk(MXS_LCDIF_BASE, timings->pixelclock.typ / 1000);