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-rw-r--r--arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h4
-rw-r--r--arch/mips/lantiq/Kconfig1
-rw-r--r--drivers/pinctrl/Kconfig5
-rw-r--r--drivers/pinctrl/Makefile1
-rw-r--r--drivers/pinctrl/pinctrl-falcon.c468
5 files changed, 479 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
index b385252584ee..fccac3592651 100644
--- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
@@ -57,6 +57,10 @@ extern __iomem void *ltq_sys1_membase;
#define ltq_sys1_w32_mask(clear, set, reg) \
ltq_sys1_w32((ltq_sys1_r32(reg) & ~(clear)) | (set), reg)
+/* allow the gpio and pinctrl drivers to talk to eachother */
+extern int pinctrl_falcon_get_range_size(int id);
+extern void pinctrl_falcon_add_gpio_range(struct pinctrl_gpio_range *range);
+
/*
* to keep the irq code generic we need to define this to 0 as falcon
* has no EIU/EBU
diff --git a/arch/mips/lantiq/Kconfig b/arch/mips/lantiq/Kconfig
index 080c01349f9f..d84f361f1e45 100644
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -20,6 +20,7 @@ config SOC_XWAY
config SOC_FALCON
bool "FALCON"
+ select PINCTRL_FALCON
endchoice
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index f77dce0b1011..45d2158a5374 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -65,6 +65,11 @@ config PINCTRL_PXA3xx
bool
select PINMUX
+config PINCTRL_FALCON
+ bool
+ depends on SOC_FALCON
+ depends on PINCTRL_LANTIQ
+
config PINCTRL_MMP2
bool "MMP2 pin controller driver"
depends on ARCH_MMP
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index e19e2077a795..c0566c84d7f0 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_PINCTRL_IMX51) += pinctrl-imx51.o
obj-$(CONFIG_PINCTRL_IMX53) += pinctrl-imx53.o
obj-$(CONFIG_PINCTRL_IMX6Q) += pinctrl-imx6q.o
obj-$(CONFIG_PINCTRL_PXA3xx) += pinctrl-pxa3xx.o
+obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o
obj-$(CONFIG_PINCTRL_MMP2) += pinctrl-mmp2.o
obj-$(CONFIG_PINCTRL_MXS) += pinctrl-mxs.o
obj-$(CONFIG_PINCTRL_IMX23) += pinctrl-imx23.o
diff --git a/drivers/pinctrl/pinctrl-falcon.c b/drivers/pinctrl/pinctrl-falcon.c
new file mode 100644
index 000000000000..ee7305903470
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-falcon.c
@@ -0,0 +1,468 @@
+/*
+ * linux/drivers/pinctrl/pinmux-falcon.c
+ * based on linux/drivers/pinctrl/pinmux-pxa910.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com>
+ * Copyright (C) 2012 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+
+#include "pinctrl-lantiq.h"
+
+#include <lantiq_soc.h>
+
+/* Multiplexer Control Register */
+#define LTQ_PADC_MUX(x) (x * 0x4)
+/* Pull Up Enable Register */
+#define LTQ_PADC_PUEN 0x80
+/* Pull Down Enable Register */
+#define LTQ_PADC_PDEN 0x84
+/* Slew Rate Control Register */
+#define LTQ_PADC_SRC 0x88
+/* Drive Current Control Register */
+#define LTQ_PADC_DCC 0x8C
+/* Pad Control Availability Register */
+#define LTQ_PADC_AVAIL 0xF0
+
+#define pad_r32(p, reg) ltq_r32(p + reg)
+#define pad_w32(p, val, reg) ltq_w32(val, p + reg)
+#define pad_w32_mask(c, clear, set, reg) \
+ pad_w32(c, (pad_r32(c, reg) & ~(clear)) | (set), reg)
+
+#define pad_getbit(m, r, p) (!!(ltq_r32(m + r) & (1 << p)))
+
+#define PORTS 5
+#define PINS 32
+#define PORT(x) (x / PINS)
+#define PORT_PIN(x) (x % PINS)
+
+#define MFP_FALCON(a, f0, f1, f2, f3) \
+{ \
+ .name = #a, \
+ .pin = a, \
+ .func = { \
+ FALCON_MUX_##f0, \
+ FALCON_MUX_##f1, \
+ FALCON_MUX_##f2, \
+ FALCON_MUX_##f3, \
+ }, \
+}
+
+#define GRP_MUX(a, m, p) \
+{ \
+ .name = a, \
+ .mux = FALCON_MUX_##m, \
+ .pins = p, \
+ .npins = ARRAY_SIZE(p), \
+}
+
+enum falcon_mux {
+ FALCON_MUX_GPIO = 0,
+ FALCON_MUX_RST,
+ FALCON_MUX_NTR,
+ FALCON_MUX_MDIO,
+ FALCON_MUX_LED,
+ FALCON_MUX_SPI,
+ FALCON_MUX_ASC,
+ FALCON_MUX_I2C,
+ FALCON_MUX_HOSTIF,
+ FALCON_MUX_SLIC,
+ FALCON_MUX_JTAG,
+ FALCON_MUX_PCM,
+ FALCON_MUX_MII,
+ FALCON_MUX_PHY,
+ FALCON_MUX_NONE = 0xffff,
+};
+
+static struct pinctrl_pin_desc falcon_pads[PORTS * PINS];
+static int pad_count[PORTS];
+
+static void lantiq_load_pin_desc(struct pinctrl_pin_desc *d, int bank, int len)
+{
+ int base = bank * PINS;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ /* strlen("ioXYZ") + 1 = 6 */
+ char *name = kzalloc(6, GFP_KERNEL);
+ snprintf(name, 6, "io%d", base + i);
+ d[i].number = base + i;
+ d[i].name = name;
+ }
+ pad_count[bank] = len;
+}
+
+static struct ltq_mfp_pin falcon_mfp[] = {
+ /* pin f0 f1 f2 f3 */
+ MFP_FALCON(GPIO0, RST, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO1, GPIO, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO2, GPIO, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO3, GPIO, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO4, NTR, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO5, NTR, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO6, RST, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO7, MDIO, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO8, MDIO, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO9, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO10, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO11, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO12, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO13, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO14, LED, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO32, ASC, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO33, ASC, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO34, SPI, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO35, SPI, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO36, SPI, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO37, SPI, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO38, SPI, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO39, I2C, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO40, I2C, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO41, HOSTIF, GPIO, HOSTIF, JTAG),
+ MFP_FALCON(GPIO42, HOSTIF, GPIO, HOSTIF, NONE),
+ MFP_FALCON(GPIO43, SLIC, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO44, SLIC, GPIO, PCM, ASC),
+ MFP_FALCON(GPIO45, SLIC, GPIO, PCM, ASC),
+ MFP_FALCON(GPIO64, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO65, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO66, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO67, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO68, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO69, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO70, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO71, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO72, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO73, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO74, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO75, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO76, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO77, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO78, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO79, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO80, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO81, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO82, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO83, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO84, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO85, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO86, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO87, MII, GPIO, NONE, NONE),
+ MFP_FALCON(GPIO88, PHY, GPIO, NONE, NONE),
+};
+
+static const unsigned pins_por[] = {GPIO0};
+static const unsigned pins_ntr[] = {GPIO4};
+static const unsigned pins_ntr8k[] = {GPIO5};
+static const unsigned pins_hrst[] = {GPIO6};
+static const unsigned pins_mdio[] = {GPIO7, GPIO8};
+static const unsigned pins_bled[] = {GPIO7, GPIO10, GPIO11,
+ GPIO12, GPIO13, GPIO14};
+static const unsigned pins_asc0[] = {GPIO32, GPIO33};
+static const unsigned pins_spi[] = {GPIO34, GPIO35, GPIO36};
+static const unsigned pins_spi_cs0[] = {GPIO37};
+static const unsigned pins_spi_cs1[] = {GPIO38};
+static const unsigned pins_i2c[] = {GPIO39, GPIO40};
+static const unsigned pins_jtag[] = {GPIO41};
+static const unsigned pins_slic[] = {GPIO43, GPIO44, GPIO45};
+static const unsigned pins_pcm[] = {GPIO44, GPIO45};
+static const unsigned pins_asc1[] = {GPIO44, GPIO45};
+
+static struct ltq_pin_group falcon_grps[] = {
+ GRP_MUX("por", RST, pins_por),
+ GRP_MUX("ntr", NTR, pins_ntr),
+ GRP_MUX("ntr8k", NTR, pins_ntr8k),
+ GRP_MUX("hrst", RST, pins_hrst),
+ GRP_MUX("mdio", MDIO, pins_mdio),
+ GRP_MUX("bootled", LED, pins_bled),
+ GRP_MUX("asc0", ASC, pins_asc0),
+ GRP_MUX("spi", SPI, pins_spi),
+ GRP_MUX("spi cs0", SPI, pins_spi_cs0),
+ GRP_MUX("spi cs1", SPI, pins_spi_cs1),
+ GRP_MUX("i2c", I2C, pins_i2c),
+ GRP_MUX("jtag", JTAG, pins_jtag),
+ GRP_MUX("slic", SLIC, pins_slic),
+ GRP_MUX("pcm", PCM, pins_pcm),
+ GRP_MUX("asc1", ASC, pins_asc1),
+};
+
+static const char * const ltq_rst_grps[] = {"por", "hrst"};
+static const char * const ltq_ntr_grps[] = {"ntr", "ntr8k"};
+static const char * const ltq_mdio_grps[] = {"mdio"};
+static const char * const ltq_bled_grps[] = {"bootled"};
+static const char * const ltq_asc_grps[] = {"asc0", "asc1"};
+static const char * const ltq_spi_grps[] = {"spi", "spi cs0", "spi cs1"};
+static const char * const ltq_i2c_grps[] = {"i2c"};
+static const char * const ltq_jtag_grps[] = {"jtag"};
+static const char * const ltq_slic_grps[] = {"slic"};
+static const char * const ltq_pcm_grps[] = {"pcm"};
+
+static struct ltq_pmx_func falcon_funcs[] = {
+ {"rst", ARRAY_AND_SIZE(ltq_rst_grps)},
+ {"ntr", ARRAY_AND_SIZE(ltq_ntr_grps)},
+ {"mdio", ARRAY_AND_SIZE(ltq_mdio_grps)},
+ {"led", ARRAY_AND_SIZE(ltq_bled_grps)},
+ {"asc", ARRAY_AND_SIZE(ltq_asc_grps)},
+ {"spi", ARRAY_AND_SIZE(ltq_spi_grps)},
+ {"i2c", ARRAY_AND_SIZE(ltq_i2c_grps)},
+ {"jtag", ARRAY_AND_SIZE(ltq_jtag_grps)},
+ {"slic", ARRAY_AND_SIZE(ltq_slic_grps)},
+ {"pcm", ARRAY_AND_SIZE(ltq_pcm_grps)},
+};
+
+
+
+
+/* --------- pinconf related code --------- */
+static int falcon_pinconf_group_get(struct pinctrl_dev *pctrldev,
+ unsigned group, unsigned long *config)
+{
+ return -ENOTSUPP;
+}
+
+static int falcon_pinconf_group_set(struct pinctrl_dev *pctrldev,
+ unsigned group, unsigned long config)
+{
+ return -ENOTSUPP;
+}
+
+static int falcon_pinconf_get(struct pinctrl_dev *pctrldev,
+ unsigned pin, unsigned long *config)
+{
+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
+ enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(*config);
+ void __iomem *mem = info->membase[PORT(pin)];
+
+ switch (param) {
+ case LTQ_PINCONF_PARAM_DRIVE_CURRENT:
+ *config = LTQ_PINCONF_PACK(param,
+ !!pad_getbit(mem, LTQ_PADC_DCC, PORT_PIN(pin)));
+ break;
+
+ case LTQ_PINCONF_PARAM_SLEW_RATE:
+ *config = LTQ_PINCONF_PACK(param,
+ !!pad_getbit(mem, LTQ_PADC_SRC, PORT_PIN(pin)));
+ break;
+
+ case LTQ_PINCONF_PARAM_PULL:
+ if (pad_getbit(mem, LTQ_PADC_PDEN, PORT_PIN(pin)))
+ *config = LTQ_PINCONF_PACK(param, 1);
+ else if (pad_getbit(mem, LTQ_PADC_PUEN, PORT_PIN(pin)))
+ *config = LTQ_PINCONF_PACK(param, 2);
+ else
+ *config = LTQ_PINCONF_PACK(param, 0);
+
+ break;
+
+ default:
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int falcon_pinconf_set(struct pinctrl_dev *pctrldev,
+ unsigned pin, unsigned long config)
+{
+ enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(config);
+ int arg = LTQ_PINCONF_UNPACK_ARG(config);
+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
+ void __iomem *mem = info->membase[PORT(pin)];
+ u32 reg;
+
+ switch (param) {
+ case LTQ_PINCONF_PARAM_DRIVE_CURRENT:
+ reg = LTQ_PADC_DCC;
+ break;
+
+ case LTQ_PINCONF_PARAM_SLEW_RATE:
+ reg = LTQ_PADC_SRC;
+ break;
+
+ case LTQ_PINCONF_PARAM_PULL:
+ if (arg == 1)
+ reg = LTQ_PADC_PDEN;
+ else
+ reg = LTQ_PADC_PUEN;
+ break;
+
+ default:
+ pr_err("%s: Invalid config param %04x\n",
+ pinctrl_dev_get_name(pctrldev), param);
+ return -ENOTSUPP;
+ }
+
+ pad_w32(mem, BIT(PORT_PIN(pin)), reg);
+ if (!(pad_r32(mem, reg) & BIT(PORT_PIN(pin))))
+ return -ENOTSUPP;
+ return 0;
+}
+
+static void falcon_pinconf_dbg_show(struct pinctrl_dev *pctrldev,
+ struct seq_file *s, unsigned offset)
+{
+}
+
+static void falcon_pinconf_group_dbg_show(struct pinctrl_dev *pctrldev,
+ struct seq_file *s, unsigned selector)
+{
+}
+
+struct pinconf_ops falcon_pinconf_ops = {
+ .pin_config_get = falcon_pinconf_get,
+ .pin_config_set = falcon_pinconf_set,
+ .pin_config_group_get = falcon_pinconf_group_get,
+ .pin_config_group_set = falcon_pinconf_group_set,
+ .pin_config_dbg_show = falcon_pinconf_dbg_show,
+ .pin_config_group_dbg_show = falcon_pinconf_group_dbg_show,
+};
+
+static struct pinctrl_desc falcon_pctrl_desc = {
+ .owner = THIS_MODULE,
+ .pins = falcon_pads,
+ .confops = &falcon_pinconf_ops,
+};
+
+static inline int falcon_mux_apply(struct pinctrl_dev *pctrldev,
+ int mfp, int mux)
+{
+ struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
+ int port = PORT(info->mfp[mfp].pin);
+
+ if ((port >= PORTS) || (!info->membase[port]))
+ return -ENODEV;
+
+ pad_w32(info->membase[port], mux,
+ LTQ_PADC_MUX(PORT_PIN(info->mfp[mfp].pin)));
+ return 0;
+}
+
+static const struct ltq_cfg_param falcon_cfg_params[] = {
+ {"lantiq,pull", LTQ_PINCONF_PARAM_PULL},
+ {"lantiq,drive-current", LTQ_PINCONF_PARAM_DRIVE_CURRENT},
+ {"lantiq,slew-rate", LTQ_PINCONF_PARAM_SLEW_RATE},
+};
+
+static struct ltq_pinmux_info falcon_info = {
+ .desc = &falcon_pctrl_desc,
+ .apply_mux = falcon_mux_apply,
+};
+
+
+
+
+/* --------- register the pinctrl layer --------- */
+
+int pinctrl_falcon_get_range_size(int id)
+{
+ u32 avail;
+
+ if ((id >= PORTS) || (!falcon_info.membase[id]))
+ return -EINVAL;
+
+ avail = pad_r32(falcon_info.membase[id], LTQ_PADC_AVAIL);
+
+ return fls(avail);
+}
+
+void pinctrl_falcon_add_gpio_range(struct pinctrl_gpio_range *range)
+{
+ pinctrl_add_gpio_range(falcon_info.pctrl, range);
+}
+
+static int pinctrl_falcon_probe(struct platform_device *pdev)
+{
+ struct device_node *np;
+ int pad_count = 0;
+ int ret = 0;
+
+ /* load and remap the pad resources of the different banks */
+ for_each_compatible_node(np, NULL, "lantiq,pad-falcon") {
+ struct platform_device *ppdev = of_find_device_by_node(np);
+ const __be32 *bank = of_get_property(np, "lantiq,bank", NULL);
+ struct resource res;
+ u32 avail;
+ int pins;
+
+ if (!ppdev) {
+ dev_err(&pdev->dev, "failed to find pad pdev\n");
+ continue;
+ }
+ if (!bank || *bank >= PORTS)
+ continue;
+ if (of_address_to_resource(np, 0, &res))
+ continue;
+ falcon_info.clk[*bank] = clk_get(&ppdev->dev, NULL);
+ if (IS_ERR(falcon_info.clk[*bank])) {
+ dev_err(&ppdev->dev, "failed to get clock\n");
+ return PTR_ERR(falcon_info.clk[*bank]);
+ }
+ falcon_info.membase[*bank] =
+ devm_request_and_ioremap(&pdev->dev, &res);
+ if (!falcon_info.membase[*bank]) {
+ dev_err(&pdev->dev,
+ "Failed to remap memory for bank %d\n",
+ *bank);
+ return -ENOMEM;
+ }
+ avail = pad_r32(falcon_info.membase[*bank],
+ LTQ_PADC_AVAIL);
+ pins = fls(avail);
+ lantiq_load_pin_desc(&falcon_pads[pad_count], *bank, pins);
+ pad_count += pins;
+ clk_enable(falcon_info.clk[*bank]);
+ dev_dbg(&pdev->dev, "found %s with %d pads\n",
+ res.name, pins);
+ }
+ dev_dbg(&pdev->dev, "found a total of %d pads\n", pad_count);
+ falcon_pctrl_desc.name = dev_name(&pdev->dev);
+ falcon_pctrl_desc.npins = pad_count;
+
+ falcon_info.mfp = falcon_mfp;
+ falcon_info.num_mfp = ARRAY_SIZE(falcon_mfp);
+ falcon_info.grps = falcon_grps;
+ falcon_info.num_grps = ARRAY_SIZE(falcon_grps);
+ falcon_info.funcs = falcon_funcs;
+ falcon_info.num_funcs = ARRAY_SIZE(falcon_funcs);
+
+ ret = ltq_pinctrl_register(pdev, &falcon_info);
+ if (!ret)
+ dev_info(&pdev->dev, "Init done\n");
+ return ret;
+}
+
+static const struct of_device_id falcon_match[] = {
+ { .compatible = "lantiq,pinctrl-falcon" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, falcon_match);
+
+static struct platform_driver pinctrl_falcon_driver = {
+ .probe = pinctrl_falcon_probe,
+ .driver = {
+ .name = "pinctrl-falcon",
+ .owner = THIS_MODULE,
+ .of_match_table = falcon_match,
+ },
+};
+
+int __init pinctrl_falcon_init(void)
+{
+ return platform_driver_register(&pinctrl_falcon_driver);
+}
+
+core_initcall_sync(pinctrl_falcon_init);