diff options
Diffstat (limited to 'target/linux/bmips/patches-5.10/406-pinctrl-add-a-pincontrol-driver-for-BCM6362.patch')
| -rw-r--r-- | target/linux/bmips/patches-5.10/406-pinctrl-add-a-pincontrol-driver-for-BCM6362.patch | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/target/linux/bmips/patches-5.10/406-pinctrl-add-a-pincontrol-driver-for-BCM6362.patch b/target/linux/bmips/patches-5.10/406-pinctrl-add-a-pincontrol-driver-for-BCM6362.patch new file mode 100644 index 0000000000..30b95158e4 --- /dev/null +++ b/target/linux/bmips/patches-5.10/406-pinctrl-add-a-pincontrol-driver-for-BCM6362.patch @@ -0,0 +1,733 @@ +From eea6b96701d734095e2f823f3a82d9b063f553ae Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Fri, 24 Jun 2016 22:17:20 +0200 +Subject: [PATCH 09/16] pinctrl: add a pincontrol driver for BCM6362 + +Add a pincotrol driver for BCM6362. BCM6362 allows muxing individual +GPIO pins to the LED controller, to be available by the integrated +wifi, or other functions. It also supports overlay groups, of which +only NAND is documented. + +Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> +--- + drivers/pinctrl/bcm63xx/Kconfig | 7 + + drivers/pinctrl/bcm63xx/Makefile | 1 + + drivers/pinctrl/bcm63xx/pinctrl-bcm6362.c | 692 ++++++++++++++++++++++++++++++ + 3 files changed, 700 insertions(+) + create mode 100644 drivers/pinctrl/bcm63xx/pinctrl-bcm6362.c + +--- a/drivers/pinctrl/bcm63xx/Kconfig ++++ b/drivers/pinctrl/bcm63xx/Kconfig +@@ -16,3 +16,10 @@ config PINCTRL_BCM6358 + select PINCTRL_BCM63XX + select GENERIC_PINCONF + select MFD_SYSCON ++ ++config PINCTRL_BCM6362 ++ bool "BCM6362 pincontrol driver" ++ select PINMUX ++ select PINCONF ++ select PINCTRL_BCM63XX ++ select GENERIC_PINCONF +--- a/drivers/pinctrl/bcm63xx/Makefile ++++ b/drivers/pinctrl/bcm63xx/Makefile +@@ -1,3 +1,4 @@ + obj-$(CONFIG_PINCTRL_BCM63XX) += pinctrl-bcm63xx.o + obj-$(CONFIG_PINCTRL_BCM6328) += pinctrl-bcm6328.o + obj-$(CONFIG_PINCTRL_BCM6358) += pinctrl-bcm6358.o ++obj-$(CONFIG_PINCTRL_BCM6362) += pinctrl-bcm6362.o +--- /dev/null ++++ b/drivers/pinctrl/bcm63xx/pinctrl-bcm6362.c +@@ -0,0 +1,692 @@ ++/* ++ * This file is subject to the terms and conditions of the GNU General Public ++ * License. See the file "COPYING" in the main directory of this archive ++ * for more details. ++ * ++ * Copyright (C) 2016 Jonas Gorski <jonas.gorski@gmail.com> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/spinlock.h> ++#include <linux/bitops.h> ++#include <linux/gpio.h> ++#include <linux/of.h> ++#include <linux/of_gpio.h> ++#include <linux/slab.h> ++#include <linux/platform_device.h> ++ ++#include <linux/pinctrl/pinconf.h> ++#include <linux/pinctrl/pinconf-generic.h> ++#include <linux/pinctrl/pinmux.h> ++#include <linux/pinctrl/machine.h> ++ ++#include "../core.h" ++#include "../pinctrl-utils.h" ++ ++#include "pinctrl-bcm63xx.h" ++ ++#define BCM6362_NGPIO 48 ++ ++/* GPIO_BASEMODE register */ ++#define BASEMODE_NAND BIT(2) ++ ++enum bcm6362_pinctrl_reg { ++ BCM6362_LEDCTRL, ++ BCM6362_MODE, ++ BCM6362_CTRL, ++ BCM6362_BASEMODE, ++}; ++ ++struct bcm6362_pingroup { ++ const char *name; ++ const unsigned * const pins; ++ const unsigned num_pins; ++}; ++ ++struct bcm6362_function { ++ const char *name; ++ const char * const *groups; ++ const unsigned num_groups; ++ ++ enum bcm6362_pinctrl_reg reg; ++ u32 basemode_mask; ++}; ++ ++struct bcm6362_pinctrl { ++ struct pinctrl_dev *pctldev; ++ struct pinctrl_desc desc; ++ ++ void __iomem *led; ++ void __iomem *mode; ++ void __iomem *ctrl; ++ void __iomem *basemode; ++ ++ /* register access lock */ ++ spinlock_t lock; ++ ++ struct gpio_chip gpio[2]; ++}; ++ ++#define BCM6362_PIN(a, b, mask) \ ++ { \ ++ .number = a, \ ++ .name = b, \ ++ .drv_data = (void *)(mask), \ ++ } ++ ++static const struct pinctrl_pin_desc bcm6362_pins[] = { ++ PINCTRL_PIN(0, "gpio0"), ++ PINCTRL_PIN(1, "gpio1"), ++ PINCTRL_PIN(2, "gpio2"), ++ PINCTRL_PIN(3, "gpio3"), ++ PINCTRL_PIN(4, "gpio4"), ++ PINCTRL_PIN(5, "gpio5"), ++ PINCTRL_PIN(6, "gpio6"), ++ PINCTRL_PIN(7, "gpio7"), ++ BCM6362_PIN(8, "gpio8", BASEMODE_NAND), ++ PINCTRL_PIN(9, "gpio9"), ++ PINCTRL_PIN(10, "gpio10"), ++ PINCTRL_PIN(11, "gpio11"), ++ BCM6362_PIN(12, "gpio12", BASEMODE_NAND), ++ BCM6362_PIN(13, "gpio13", BASEMODE_NAND), ++ BCM6362_PIN(14, "gpio14", BASEMODE_NAND), ++ BCM6362_PIN(15, "gpio15", BASEMODE_NAND), ++ BCM6362_PIN(16, "gpio16", BASEMODE_NAND), ++ BCM6362_PIN(17, "gpio17", BASEMODE_NAND), ++ BCM6362_PIN(18, "gpio18", BASEMODE_NAND), ++ BCM6362_PIN(19, "gpio19", BASEMODE_NAND), ++ BCM6362_PIN(20, "gpio20", BASEMODE_NAND), ++ BCM6362_PIN(21, "gpio21", BASEMODE_NAND), ++ BCM6362_PIN(22, "gpio22", BASEMODE_NAND), ++ BCM6362_PIN(23, "gpio23", BASEMODE_NAND), ++ PINCTRL_PIN(24, "gpio24"), ++ PINCTRL_PIN(25, "gpio25"), ++ PINCTRL_PIN(26, "gpio26"), ++ BCM6362_PIN(27, "gpio27", BASEMODE_NAND), ++ PINCTRL_PIN(28, "gpio28"), ++ PINCTRL_PIN(29, "gpio29"), ++ PINCTRL_PIN(30, "gpio30"), ++ PINCTRL_PIN(31, "gpio31"), ++ PINCTRL_PIN(32, "gpio32"), ++ PINCTRL_PIN(33, "gpio33"), ++ PINCTRL_PIN(34, "gpio34"), ++ PINCTRL_PIN(35, "gpio35"), ++ PINCTRL_PIN(36, "gpio36"), ++ PINCTRL_PIN(37, "gpio37"), ++ PINCTRL_PIN(38, "gpio38"), ++ PINCTRL_PIN(39, "gpio39"), ++ PINCTRL_PIN(40, "gpio40"), ++ PINCTRL_PIN(41, "gpio41"), ++ PINCTRL_PIN(42, "gpio42"), ++ PINCTRL_PIN(43, "gpio43"), ++ PINCTRL_PIN(44, "gpio44"), ++ PINCTRL_PIN(45, "gpio45"), ++ PINCTRL_PIN(46, "gpio46"), ++ PINCTRL_PIN(47, "gpio47"), ++}; ++ ++static unsigned gpio0_pins[] = { 0 }; ++static unsigned gpio1_pins[] = { 1 }; ++static unsigned gpio2_pins[] = { 2 }; ++static unsigned gpio3_pins[] = { 3 }; ++static unsigned gpio4_pins[] = { 4 }; ++static unsigned gpio5_pins[] = { 5 }; ++static unsigned gpio6_pins[] = { 6 }; ++static unsigned gpio7_pins[] = { 7 }; ++static unsigned gpio8_pins[] = { 8 }; ++static unsigned gpio9_pins[] = { 9 }; ++static unsigned gpio10_pins[] = { 10 }; ++static unsigned gpio11_pins[] = { 11 }; ++static unsigned gpio12_pins[] = { 12 }; ++static unsigned gpio13_pins[] = { 13 }; ++static unsigned gpio14_pins[] = { 14 }; ++static unsigned gpio15_pins[] = { 15 }; ++static unsigned gpio16_pins[] = { 16 }; ++static unsigned gpio17_pins[] = { 17 }; ++static unsigned gpio18_pins[] = { 18 }; ++static unsigned gpio19_pins[] = { 19 }; ++static unsigned gpio20_pins[] = { 20 }; ++static unsigned gpio21_pins[] = { 21 }; ++static unsigned gpio22_pins[] = { 22 }; ++static unsigned gpio23_pins[] = { 23 }; ++static unsigned gpio24_pins[] = { 24 }; ++static unsigned gpio25_pins[] = { 25 }; ++static unsigned gpio26_pins[] = { 26 }; ++static unsigned gpio27_pins[] = { 27 }; ++static unsigned gpio28_pins[] = { 28 }; ++static unsigned gpio29_pins[] = { 29 }; ++static unsigned gpio30_pins[] = { 30 }; ++static unsigned gpio31_pins[] = { 31 }; ++static unsigned gpio32_pins[] = { 32 }; ++static unsigned gpio33_pins[] = { 33 }; ++static unsigned gpio34_pins[] = { 34 }; ++static unsigned gpio35_pins[] = { 35 }; ++static unsigned gpio36_pins[] = { 36 }; ++static unsigned gpio37_pins[] = { 37 }; ++static unsigned gpio38_pins[] = { 38 }; ++static unsigned gpio39_pins[] = { 39 }; ++static unsigned gpio40_pins[] = { 40 }; ++static unsigned gpio41_pins[] = { 41 }; ++static unsigned gpio42_pins[] = { 42 }; ++static unsigned gpio43_pins[] = { 43 }; ++static unsigned gpio44_pins[] = { 44 }; ++static unsigned gpio45_pins[] = { 45 }; ++static unsigned gpio46_pins[] = { 46 }; ++static unsigned gpio47_pins[] = { 47 }; ++ ++static unsigned nand_grp_pins[] = { ++ 8, 12, 13, 14, 15, 16, 17, ++ 18, 19, 20, 21, 22, 23, 27, ++}; ++ ++#define BCM6362_GROUP(n) \ ++ { \ ++ .name = #n, \ ++ .pins = n##_pins, \ ++ .num_pins = ARRAY_SIZE(n##_pins), \ ++ } ++ ++static struct bcm6362_pingroup bcm6362_groups[] = { ++ BCM6362_GROUP(gpio0), ++ BCM6362_GROUP(gpio1), ++ BCM6362_GROUP(gpio2), ++ BCM6362_GROUP(gpio3), ++ BCM6362_GROUP(gpio4), ++ BCM6362_GROUP(gpio5), ++ BCM6362_GROUP(gpio6), ++ BCM6362_GROUP(gpio7), ++ BCM6362_GROUP(gpio8), ++ BCM6362_GROUP(gpio9), ++ BCM6362_GROUP(gpio10), ++ BCM6362_GROUP(gpio11), ++ BCM6362_GROUP(gpio12), ++ BCM6362_GROUP(gpio13), ++ BCM6362_GROUP(gpio14), ++ BCM6362_GROUP(gpio15), ++ BCM6362_GROUP(gpio16), ++ BCM6362_GROUP(gpio17), ++ BCM6362_GROUP(gpio18), ++ BCM6362_GROUP(gpio19), ++ BCM6362_GROUP(gpio20), ++ BCM6362_GROUP(gpio21), ++ BCM6362_GROUP(gpio22), ++ BCM6362_GROUP(gpio23), ++ BCM6362_GROUP(gpio24), ++ BCM6362_GROUP(gpio25), ++ BCM6362_GROUP(gpio26), ++ BCM6362_GROUP(gpio27), ++ BCM6362_GROUP(gpio28), ++ BCM6362_GROUP(gpio29), ++ BCM6362_GROUP(gpio30), ++ BCM6362_GROUP(gpio31), ++ BCM6362_GROUP(gpio32), ++ BCM6362_GROUP(gpio33), ++ BCM6362_GROUP(gpio34), ++ BCM6362_GROUP(gpio35), ++ BCM6362_GROUP(gpio36), ++ BCM6362_GROUP(gpio37), ++ BCM6362_GROUP(gpio38), ++ BCM6362_GROUP(gpio39), ++ BCM6362_GROUP(gpio40), ++ BCM6362_GROUP(gpio41), ++ BCM6362_GROUP(gpio42), ++ BCM6362_GROUP(gpio43), ++ BCM6362_GROUP(gpio44), ++ BCM6362_GROUP(gpio45), ++ BCM6362_GROUP(gpio46), ++ BCM6362_GROUP(gpio47), ++ BCM6362_GROUP(nand_grp), ++}; ++ ++static const char * const led_groups[] = { ++ "gpio0", ++ "gpio1", ++ "gpio2", ++ "gpio3", ++ "gpio4", ++ "gpio5", ++ "gpio6", ++ "gpio7", ++ "gpio8", ++ "gpio9", ++ "gpio10", ++ "gpio11", ++ "gpio12", ++ "gpio13", ++ "gpio14", ++ "gpio15", ++ "gpio16", ++ "gpio17", ++ "gpio18", ++ "gpio19", ++ "gpio20", ++ "gpio21", ++ "gpio22", ++ "gpio23", ++}; ++ ++static const char * const usb_device_led_groups[] = { ++ "gpio0", ++}; ++ ++static const char * const sys_irq_groups[] = { ++ "gpio1", ++}; ++ ++static const char * const serial_led_clk_groups[] = { ++ "gpio2", ++}; ++ ++static const char * const serial_led_data_groups[] = { ++ "gpio3", ++}; ++ ++static const char * const robosw_led_data_groups[] = { ++ "gpio4", ++}; ++ ++static const char * const robosw_led_clk_groups[] = { ++ "gpio5", ++}; ++ ++static const char * const robosw_led0_groups[] = { ++ "gpio6", ++}; ++ ++static const char * const robosw_led1_groups[] = { ++ "gpio7", ++}; ++ ++static const char * const inet_led_groups[] = { ++ "gpio8", ++}; ++ ++static const char * const spi_cs2_groups[] = { ++ "gpio9", ++}; ++ ++static const char * const spi_cs3_groups[] = { ++ "gpio10", ++}; ++ ++static const char * const ntr_pulse_groups[] = { ++ "gpio11", ++}; ++ ++static const char * const uart1_scts_groups[] = { ++ "gpio12", ++}; ++ ++static const char * const uart1_srts_groups[] = { ++ "gpio13", ++}; ++ ++static const char * const uart1_sdin_groups[] = { ++ "gpio14", ++}; ++ ++static const char * const uart1_sdout_groups[] = { ++ "gpio15", ++}; ++ ++static const char * const adsl_spi_miso_groups[] = { ++ "gpio16", ++}; ++ ++static const char * const adsl_spi_mosi_groups[] = { ++ "gpio17", ++}; ++ ++static const char * const adsl_spi_clk_groups[] = { ++ "gpio18", ++}; ++ ++static const char * const adsl_spi_cs_groups[] = { ++ "gpio19", ++}; ++ ++static const char * const ephy0_led_groups[] = { ++ "gpio20", ++}; ++ ++static const char * const ephy1_led_groups[] = { ++ "gpio21", ++}; ++ ++static const char * const ephy2_led_groups[] = { ++ "gpio22", ++}; ++ ++static const char * const ephy3_led_groups[] = { ++ "gpio23", ++}; ++ ++static const char * const ext_irq0_groups[] = { ++ "gpio24", ++}; ++ ++static const char * const ext_irq1_groups[] = { ++ "gpio25", ++}; ++ ++static const char * const ext_irq2_groups[] = { ++ "gpio26", ++}; ++ ++static const char * const ext_irq3_groups[] = { ++ "gpio27", ++}; ++ ++static const char * const wifi_groups[] = { ++ "gpio32", ++ "gpio33", ++ "gpio34", ++ "gpio35", ++ "gpio36", ++ "gpio37", ++ "gpio38", ++ "gpio39", ++ "gpio40", ++ "gpio41", ++ "gpio42", ++ "gpio43", ++ "gpio44", ++ "gpio45", ++ "gpio46", ++ "gpio47", ++}; ++ ++static const char * const nand_groups[] = { ++ "nand_grp", ++}; ++ ++#define BCM6362_LED_FUN(n) \ ++ { \ ++ .name = #n, \ ++ .groups = n##_groups, \ ++ .num_groups = ARRAY_SIZE(n##_groups), \ ++ .reg = BCM6362_LEDCTRL, \ ++ } ++ ++#define BCM6362_MODE_FUN(n) \ ++ { \ ++ .name = #n, \ ++ .groups = n##_groups, \ ++ .num_groups = ARRAY_SIZE(n##_groups), \ ++ .reg = BCM6362_MODE, \ ++ } ++ ++#define BCM6362_CTRL_FUN(n) \ ++ { \ ++ .name = #n, \ ++ .groups = n##_groups, \ ++ .num_groups = ARRAY_SIZE(n##_groups), \ ++ .reg = BCM6362_CTRL, \ ++ } ++ ++#define BCM6362_BASEMODE_FUN(n, mask) \ ++ { \ ++ .name = #n, \ ++ .groups = n##_groups, \ ++ .num_groups = ARRAY_SIZE(n##_groups), \ ++ .reg = BCM6362_BASEMODE, \ ++ .basemode_mask = (mask), \ ++ } ++ ++static const struct bcm6362_function bcm6362_funcs[] = { ++ BCM6362_LED_FUN(led), ++ BCM6362_MODE_FUN(usb_device_led), ++ BCM6362_MODE_FUN(sys_irq), ++ BCM6362_MODE_FUN(serial_led_clk), ++ BCM6362_MODE_FUN(serial_led_data), ++ BCM6362_MODE_FUN(robosw_led_data), ++ BCM6362_MODE_FUN(robosw_led_clk), ++ BCM6362_MODE_FUN(robosw_led0), ++ BCM6362_MODE_FUN(robosw_led1), ++ BCM6362_MODE_FUN(inet_led), ++ BCM6362_MODE_FUN(spi_cs2), ++ BCM6362_MODE_FUN(spi_cs3), ++ BCM6362_MODE_FUN(ntr_pulse), ++ BCM6362_MODE_FUN(uart1_scts), ++ BCM6362_MODE_FUN(uart1_srts), ++ BCM6362_MODE_FUN(uart1_sdin), ++ BCM6362_MODE_FUN(uart1_sdout), ++ BCM6362_MODE_FUN(adsl_spi_miso), ++ BCM6362_MODE_FUN(adsl_spi_mosi), ++ BCM6362_MODE_FUN(adsl_spi_clk), ++ BCM6362_MODE_FUN(adsl_spi_cs), ++ BCM6362_MODE_FUN(ephy0_led), ++ BCM6362_MODE_FUN(ephy1_led), ++ BCM6362_MODE_FUN(ephy2_led), ++ BCM6362_MODE_FUN(ephy3_led), ++ BCM6362_MODE_FUN(ext_irq0), ++ BCM6362_MODE_FUN(ext_irq1), ++ BCM6362_MODE_FUN(ext_irq2), ++ BCM6362_MODE_FUN(ext_irq3), ++ BCM6362_CTRL_FUN(wifi), ++ BCM6362_BASEMODE_FUN(nand, BASEMODE_NAND), ++}; ++ ++static int bcm6362_pinctrl_get_group_count(struct pinctrl_dev *pctldev) ++{ ++ return ARRAY_SIZE(bcm6362_groups); ++} ++ ++static const char *bcm6362_pinctrl_get_group_name(struct pinctrl_dev *pctldev, ++ unsigned group) ++{ ++ return bcm6362_groups[group].name; ++} ++ ++static int bcm6362_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, ++ unsigned group, const unsigned **pins, ++ unsigned *num_pins) ++{ ++ *pins = bcm6362_groups[group].pins; ++ *num_pins = bcm6362_groups[group].num_pins; ++ ++ return 0; ++} ++ ++static int bcm6362_pinctrl_get_func_count(struct pinctrl_dev *pctldev) ++{ ++ return ARRAY_SIZE(bcm6362_funcs); ++} ++ ++static const char *bcm6362_pinctrl_get_func_name(struct pinctrl_dev *pctldev, ++ unsigned selector) ++{ ++ return bcm6362_funcs[selector].name; ++} ++ ++static int bcm6362_pinctrl_get_groups(struct pinctrl_dev *pctldev, ++ unsigned selector, ++ const char * const **groups, ++ unsigned * const num_groups) ++{ ++ *groups = bcm6362_funcs[selector].groups; ++ *num_groups = bcm6362_funcs[selector].num_groups; ++ ++ return 0; ++} ++ ++static void bcm6362_rmw_mux(struct bcm6362_pinctrl *pctl, void __iomem *reg, ++ u32 mask, u32 val) ++{ ++ unsigned long flags; ++ u32 tmp; ++ ++ spin_lock_irqsave(&pctl->lock, flags); ++ tmp = __raw_readl(reg); ++ tmp &= ~mask; ++ tmp |= val & mask; ++ __raw_writel(tmp, reg); ++ ++ spin_unlock_irqrestore(&pctl->lock, flags); ++} ++ ++static void bcm6362_set_gpio(struct bcm6362_pinctrl *pctl, unsigned pin) ++{ ++ const struct pinctrl_pin_desc *desc = &bcm6362_pins[pin]; ++ u32 mask = BIT(pin % 32); ++ ++ if (desc->drv_data) ++ bcm6362_rmw_mux(pctl, pctl->basemode, (u32)desc->drv_data, 0); ++ ++ if (pin < 32) { ++ /* base mode 0 => gpio 1 => mux function */ ++ bcm6362_rmw_mux(pctl, pctl->mode, mask, 0); ++ ++ /* pins 0-23 might be muxed to led */ ++ if (pin < 24) ++ bcm6362_rmw_mux(pctl, pctl->led, mask, 0); ++ } else { ++ /* ctrl reg 0 => wifi function 1 => gpio */ ++ bcm6362_rmw_mux(pctl, pctl->ctrl, mask, mask); ++ } ++} ++ ++static int bcm6362_pinctrl_set_mux(struct pinctrl_dev *pctldev, ++ unsigned selector, unsigned group) ++{ ++ struct bcm6362_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); ++ const struct bcm6362_pingroup *grp = &bcm6362_groups[group]; ++ const struct bcm6362_function *f = &bcm6362_funcs[selector]; ++ unsigned i; ++ void __iomem *reg; ++ u32 val, mask; ++ ++ for (i = 0; i < grp->num_pins; i++) ++ bcm6362_set_gpio(pctl, grp->pins[i]); ++ ++ switch (f->reg) { ++ case BCM6362_LEDCTRL: ++ reg = pctl->led; ++ mask = BIT(grp->pins[0]); ++ val = BIT(grp->pins[0]); ++ break; ++ case BCM6362_MODE: ++ reg = pctl->mode; ++ mask = BIT(grp->pins[0]); ++ val = BIT(grp->pins[0]); ++ break; ++ case BCM6362_CTRL: ++ reg = pctl->ctrl; ++ mask = BIT(grp->pins[0]); ++ val = 0; ++ break; ++ case BCM6362_BASEMODE: ++ reg = pctl->basemode; ++ mask = f->basemode_mask; ++ val = f->basemode_mask; ++ break; ++ default: ++ WARN_ON(1); ++ return -EINVAL; ++ } ++ ++ bcm6362_rmw_mux(pctl, reg, mask, val); ++ ++ return 0; ++} ++ ++static int bcm6362_gpio_request_enable(struct pinctrl_dev *pctldev, ++ struct pinctrl_gpio_range *range, ++ unsigned offset) ++{ ++ struct bcm6362_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); ++ ++ /* disable all functions using this pin */ ++ bcm6362_set_gpio(pctl, offset); ++ ++ return 0; ++} ++ ++static struct pinctrl_ops bcm6362_pctl_ops = { ++ .get_groups_count = bcm6362_pinctrl_get_group_count, ++ .get_group_name = bcm6362_pinctrl_get_group_name, ++ .get_group_pins = bcm6362_pinctrl_get_group_pins, ++#ifdef CONFIG_OF ++ .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, ++ .dt_free_map = pinctrl_utils_free_map, ++#endif ++}; ++ ++static struct pinmux_ops bcm6362_pmx_ops = { ++ .get_functions_count = bcm6362_pinctrl_get_func_count, ++ .get_function_name = bcm6362_pinctrl_get_func_name, ++ .get_function_groups = bcm6362_pinctrl_get_groups, ++ .set_mux = bcm6362_pinctrl_set_mux, ++ .gpio_request_enable = bcm6362_gpio_request_enable, ++ .strict = true, ++}; ++ ++static int bcm6362_pinctrl_probe(struct platform_device *pdev) ++{ ++ struct bcm6362_pinctrl *pctl; ++ struct resource *res; ++ void __iomem *led, *mode, *ctrl, *basemode; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "led"); ++ led = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(led)) ++ return PTR_ERR(led); ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mode"); ++ mode = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(mode)) ++ return PTR_ERR(mode); ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl"); ++ ctrl = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(ctrl)) ++ return PTR_ERR(ctrl); ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "basemode"); ++ basemode = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(basemode)) ++ return PTR_ERR(basemode); ++ ++ pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); ++ if (!pctl) ++ return -ENOMEM; ++ ++ spin_lock_init(&pctl->lock); ++ ++ pctl->led = led; ++ pctl->mode = mode; ++ pctl->ctrl = ctrl; ++ pctl->basemode = basemode; ++ ++ pctl->desc.name = dev_name(&pdev->dev); ++ pctl->desc.owner = THIS_MODULE; ++ pctl->desc.pctlops = &bcm6362_pctl_ops; ++ pctl->desc.pmxops = &bcm6362_pmx_ops; ++ ++ pctl->desc.npins = ARRAY_SIZE(bcm6362_pins); ++ pctl->desc.pins = bcm6362_pins; ++ ++ platform_set_drvdata(pdev, pctl); ++ ++ pctl->pctldev = bcm63xx_pinctrl_register(pdev, &pctl->desc, pctl, ++ pctl->gpio, BCM6362_NGPIO); ++ if (IS_ERR(pctl->pctldev)) ++ return PTR_ERR(pctl->pctldev); ++ ++ return 0; ++} ++ ++static const struct of_device_id bcm6362_pinctrl_match[] = { ++ { .compatible = "brcm,bcm6362-pinctrl", }, ++ { }, ++}; ++ ++static struct platform_driver bcm6362_pinctrl_driver = { ++ .probe = bcm6362_pinctrl_probe, ++ .driver = { ++ .name = "bcm6362-pinctrl", ++ .of_match_table = bcm6362_pinctrl_match, ++ }, ++}; ++ ++builtin_platform_driver(bcm6362_pinctrl_driver); |