| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Neil Armstrong | 6601 | 98.68% | 5 | 50.00% |
| Linus Walleij | 73 | 1.09% | 1 | 10.00% |
| Matti Vaittinen | 8 | 0.12% | 1 | 10.00% |
| Thierry Reding | 3 | 0.04% | 1 | 10.00% |
| Yue haibing | 2 | 0.03% | 1 | 10.00% |
| Thomas Gleixner | 2 | 0.03% | 1 | 10.00% |
| Total | 6689 | 10 |
// SPDX-License-Identifier: GPL-2.0-only /* * Oxford Semiconductor OXNAS SoC Family pinctrl driver * * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> * * Based on pinctrl-pic32.c * Joshua Henderson, <joshua.henderson@microchip.com> * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. */ #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> #include "pinctrl-utils.h" #define PINS_PER_BANK 32 #define GPIO_BANK_START(bank) ((bank) * PINS_PER_BANK) /* OX810 Regmap Offsets */ #define PINMUX_810_PRIMARY_SEL0 0x0c #define PINMUX_810_SECONDARY_SEL0 0x14 #define PINMUX_810_TERTIARY_SEL0 0x8c #define PINMUX_810_PRIMARY_SEL1 0x10 #define PINMUX_810_SECONDARY_SEL1 0x18 #define PINMUX_810_TERTIARY_SEL1 0x90 #define PINMUX_810_PULLUP_CTRL0 0xac #define PINMUX_810_PULLUP_CTRL1 0xb0 /* OX820 Regmap Offsets */ #define PINMUX_820_BANK_OFFSET 0x100000 #define PINMUX_820_SECONDARY_SEL 0x14 #define PINMUX_820_TERTIARY_SEL 0x8c #define PINMUX_820_QUATERNARY_SEL 0x94 #define PINMUX_820_DEBUG_SEL 0x9c #define PINMUX_820_ALTERNATIVE_SEL 0xa4 #define PINMUX_820_PULLUP_CTRL 0xac /* GPIO Registers */ #define INPUT_VALUE 0x00 #define OUTPUT_EN 0x04 #define IRQ_PENDING 0x0c #define OUTPUT_SET 0x14 #define OUTPUT_CLEAR 0x18 #define OUTPUT_EN_SET 0x1c #define OUTPUT_EN_CLEAR 0x20 #define RE_IRQ_ENABLE 0x28 #define FE_IRQ_ENABLE 0x2c struct oxnas_function { const char *name; const char * const *groups; unsigned int ngroups; }; struct oxnas_pin_group { const char *name; unsigned int pin; unsigned int bank; struct oxnas_desc_function *functions; }; struct oxnas_desc_function { const char *name; unsigned int fct; }; struct oxnas_gpio_bank { void __iomem *reg_base; struct gpio_chip gpio_chip; struct irq_chip irq_chip; unsigned int id; }; struct oxnas_pinctrl { struct regmap *regmap; struct device *dev; struct pinctrl_dev *pctldev; const struct oxnas_function *functions; unsigned int nfunctions; const struct oxnas_pin_group *groups; unsigned int ngroups; struct oxnas_gpio_bank *gpio_banks; unsigned int nbanks; }; struct oxnas_pinctrl_data { struct pinctrl_desc *desc; struct oxnas_pinctrl *pctl; }; static const struct pinctrl_pin_desc oxnas_ox810se_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"), PINCTRL_PIN(8, "gpio8"), PINCTRL_PIN(9, "gpio9"), PINCTRL_PIN(10, "gpio10"), PINCTRL_PIN(11, "gpio11"), PINCTRL_PIN(12, "gpio12"), PINCTRL_PIN(13, "gpio13"), PINCTRL_PIN(14, "gpio14"), PINCTRL_PIN(15, "gpio15"), PINCTRL_PIN(16, "gpio16"), PINCTRL_PIN(17, "gpio17"), PINCTRL_PIN(18, "gpio18"), PINCTRL_PIN(19, "gpio19"), PINCTRL_PIN(20, "gpio20"), PINCTRL_PIN(21, "gpio21"), PINCTRL_PIN(22, "gpio22"), PINCTRL_PIN(23, "gpio23"), PINCTRL_PIN(24, "gpio24"), PINCTRL_PIN(25, "gpio25"), PINCTRL_PIN(26, "gpio26"), PINCTRL_PIN(27, "gpio27"), 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"), }; static const struct pinctrl_pin_desc oxnas_ox820_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"), PINCTRL_PIN(8, "gpio8"), PINCTRL_PIN(9, "gpio9"), PINCTRL_PIN(10, "gpio10"), PINCTRL_PIN(11, "gpio11"), PINCTRL_PIN(12, "gpio12"), PINCTRL_PIN(13, "gpio13"), PINCTRL_PIN(14, "gpio14"), PINCTRL_PIN(15, "gpio15"), PINCTRL_PIN(16, "gpio16"), PINCTRL_PIN(17, "gpio17"), PINCTRL_PIN(18, "gpio18"), PINCTRL_PIN(19, "gpio19"), PINCTRL_PIN(20, "gpio20"), PINCTRL_PIN(21, "gpio21"), PINCTRL_PIN(22, "gpio22"), PINCTRL_PIN(23, "gpio23"), PINCTRL_PIN(24, "gpio24"), PINCTRL_PIN(25, "gpio25"), PINCTRL_PIN(26, "gpio26"), PINCTRL_PIN(27, "gpio27"), 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"), PINCTRL_PIN(48, "gpio48"), PINCTRL_PIN(49, "gpio49"), }; static const char * const oxnas_ox810se_fct0_group[] = { "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28", "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34" }; static const char * const oxnas_ox810se_fct3_group[] = { "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", "gpio8", "gpio9", "gpio20", "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28", "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34" }; static const char * const oxnas_ox820_fct0_group[] = { "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28", "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34", "gpio35", "gpio36", "gpio37", "gpio38", "gpio39", "gpio40", "gpio41", "gpio42", "gpio43", "gpio44", "gpio45", "gpio46", "gpio47", "gpio48", "gpio49" }; static const char * const oxnas_ox820_fct1_group[] = { "gpio3", "gpio4", "gpio12", "gpio13", "gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", "gpio22", "gpio23", "gpio24" }; static const char * const oxnas_ox820_fct4_group[] = { "gpio5", "gpio6", "gpio7", "gpio8", "gpio24", "gpio25", "gpio26", "gpio27", "gpio40", "gpio41", "gpio42", "gpio43" }; static const char * const oxnas_ox820_fct5_group[] = { "gpio28", "gpio29", "gpio30", "gpio31" }; #define FUNCTION(_name, _gr) \ { \ .name = #_name, \ .groups = oxnas_##_gr##_group, \ .ngroups = ARRAY_SIZE(oxnas_##_gr##_group), \ } static const struct oxnas_function oxnas_ox810se_functions[] = { FUNCTION(gpio, ox810se_fct0), FUNCTION(fct3, ox810se_fct3), }; static const struct oxnas_function oxnas_ox820_functions[] = { FUNCTION(gpio, ox820_fct0), FUNCTION(fct1, ox820_fct1), FUNCTION(fct4, ox820_fct4), FUNCTION(fct5, ox820_fct5), }; #define OXNAS_PINCTRL_GROUP(_pin, _name, ...) \ { \ .name = #_name, \ .pin = _pin, \ .bank = _pin / PINS_PER_BANK, \ .functions = (struct oxnas_desc_function[]){ \ __VA_ARGS__, { } }, \ } #define OXNAS_PINCTRL_FUNCTION(_name, _fct) \ { \ .name = #_name, \ .fct = _fct, \ } static const struct oxnas_pin_group oxnas_ox810se_groups[] = { OXNAS_PINCTRL_GROUP(0, gpio0, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(1, gpio1, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(2, gpio2, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(3, gpio3, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(4, gpio4, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(5, gpio5, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(6, gpio6, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(7, gpio7, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(8, gpio8, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(9, gpio9, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(10, gpio10, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(11, gpio11, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(12, gpio12, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(13, gpio13, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(14, gpio14, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(15, gpio15, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(16, gpio16, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(17, gpio17, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(18, gpio18, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(19, gpio19, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(20, gpio20, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(21, gpio21, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(22, gpio22, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(23, gpio23, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(24, gpio24, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(25, gpio25, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(26, gpio26, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(27, gpio27, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(28, gpio28, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(29, gpio29, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(30, gpio30, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(31, gpio31, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(32, gpio32, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(33, gpio33, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), OXNAS_PINCTRL_GROUP(34, gpio34, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct3, 3)), }; static const struct oxnas_pin_group oxnas_ox820_groups[] = { OXNAS_PINCTRL_GROUP(0, gpio0, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(1, gpio1, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(2, gpio2, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(3, gpio3, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(4, gpio4, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(5, gpio5, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(6, gpio6, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(7, gpio7, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(8, gpio8, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(9, gpio9, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(10, gpio10, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(11, gpio11, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(12, gpio12, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(13, gpio13, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(14, gpio14, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(15, gpio15, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(16, gpio16, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(17, gpio17, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(18, gpio18, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(19, gpio19, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(20, gpio20, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(21, gpio21, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(22, gpio22, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(23, gpio23, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1)), OXNAS_PINCTRL_GROUP(24, gpio24, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct1, 1), OXNAS_PINCTRL_FUNCTION(fct4, 5)), OXNAS_PINCTRL_GROUP(25, gpio25, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(26, gpio26, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(27, gpio27, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(28, gpio28, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct5, 5)), OXNAS_PINCTRL_GROUP(29, gpio29, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct5, 5)), OXNAS_PINCTRL_GROUP(30, gpio30, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct5, 5)), OXNAS_PINCTRL_GROUP(31, gpio31, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct5, 5)), OXNAS_PINCTRL_GROUP(32, gpio32, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(33, gpio33, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(34, gpio34, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(35, gpio35, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(36, gpio36, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(37, gpio37, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(38, gpio38, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(39, gpio39, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(40, gpio40, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(41, gpio41, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(42, gpio42, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(43, gpio43, OXNAS_PINCTRL_FUNCTION(gpio, 0), OXNAS_PINCTRL_FUNCTION(fct4, 4)), OXNAS_PINCTRL_GROUP(44, gpio44, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(45, gpio45, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(46, gpio46, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(47, gpio47, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(48, gpio48, OXNAS_PINCTRL_FUNCTION(gpio, 0)), OXNAS_PINCTRL_GROUP(49, gpio49, OXNAS_PINCTRL_FUNCTION(gpio, 0)), }; static inline struct oxnas_gpio_bank *pctl_to_bank(struct oxnas_pinctrl *pctl, unsigned int pin) { return &pctl->gpio_banks[pin / PINS_PER_BANK]; } static int oxnas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); return pctl->ngroups; } static const char *oxnas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, unsigned int group) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); return pctl->groups[group].name; } static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, unsigned int group, const unsigned int **pins, unsigned int *num_pins) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); *pins = &pctl->groups[group].pin; *num_pins = 1; return 0; } static const struct pinctrl_ops oxnas_pinctrl_ops = { .get_groups_count = oxnas_pinctrl_get_groups_count, .get_group_name = oxnas_pinctrl_get_group_name, .get_group_pins = oxnas_pinctrl_get_group_pins, .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, .dt_free_map = pinctrl_utils_free_map, }; static int oxnas_pinmux_get_functions_count(struct pinctrl_dev *pctldev) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); return pctl->nfunctions; } static const char * oxnas_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned int func) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); return pctl->functions[func].name; } static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev, unsigned int func, const char * const **groups, unsigned int * const num_groups) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); *groups = pctl->functions[func].groups; *num_groups = pctl->functions[func].ngroups; return 0; } static int oxnas_ox810se_pinmux_enable(struct pinctrl_dev *pctldev, unsigned int func, unsigned int group) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); const struct oxnas_pin_group *pg = &pctl->groups[group]; const struct oxnas_function *pf = &pctl->functions[func]; const char *fname = pf->name; struct oxnas_desc_function *functions = pg->functions; u32 mask = BIT(pg->pin); while (functions->name) { if (!strcmp(functions->name, fname)) { dev_dbg(pctl->dev, "setting function %s bank %d pin %d fct %d mask %x\n", fname, pg->bank, pg->pin, functions->fct, mask); regmap_write_bits(pctl->regmap, (pg->bank ? PINMUX_810_PRIMARY_SEL1 : PINMUX_810_PRIMARY_SEL0), mask, (functions->fct == 1 ? mask : 0)); regmap_write_bits(pctl->regmap, (pg->bank ? PINMUX_810_SECONDARY_SEL1 : PINMUX_810_SECONDARY_SEL0), mask, (functions->fct == 2 ? mask : 0)); regmap_write_bits(pctl->regmap, (pg->bank ? PINMUX_810_TERTIARY_SEL1 : PINMUX_810_TERTIARY_SEL0), mask, (functions->fct == 3 ? mask : 0)); return 0; } functions++; } dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); return -EINVAL; } static int oxnas_ox820_pinmux_enable(struct pinctrl_dev *pctldev, unsigned int func, unsigned int group) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); const struct oxnas_pin_group *pg = &pctl->groups[group]; const struct oxnas_function *pf = &pctl->functions[func]; const char *fname = pf->name; struct oxnas_desc_function *functions = pg->functions; unsigned int offset = (pg->bank ? PINMUX_820_BANK_OFFSET : 0); u32 mask = BIT(pg->pin); while (functions->name) { if (!strcmp(functions->name, fname)) { dev_dbg(pctl->dev, "setting function %s bank %d pin %d fct %d mask %x\n", fname, pg->bank, pg->pin, functions->fct, mask); regmap_write_bits(pctl->regmap, offset + PINMUX_820_SECONDARY_SEL, mask, (functions->fct == 1 ? mask : 0)); regmap_write_bits(pctl->regmap, offset + PINMUX_820_TERTIARY_SEL, mask, (functions->fct == 2 ? mask : 0)); regmap_write_bits(pctl->regmap, offset + PINMUX_820_QUATERNARY_SEL, mask, (functions->fct == 3 ? mask : 0)); regmap_write_bits(pctl->regmap, offset + PINMUX_820_DEBUG_SEL, mask, (functions->fct == 4 ? mask : 0)); regmap_write_bits(pctl->regmap, offset + PINMUX_820_ALTERNATIVE_SEL, mask, (functions->fct == 5 ? mask : 0)); return 0; } functions++; } dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); return -EINVAL; } static int oxnas_ox810se_gpio_request_enable(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned int offset) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); u32 mask = BIT(offset - bank->gpio_chip.base); dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", offset, bank->gpio_chip.base, bank->id, mask); regmap_write_bits(pctl->regmap, (bank->id ? PINMUX_810_PRIMARY_SEL1 : PINMUX_810_PRIMARY_SEL0), mask, 0); regmap_write_bits(pctl->regmap, (bank->id ? PINMUX_810_SECONDARY_SEL1 : PINMUX_810_SECONDARY_SEL0), mask, 0); regmap_write_bits(pctl->regmap, (bank->id ? PINMUX_810_TERTIARY_SEL1 : PINMUX_810_TERTIARY_SEL0), mask, 0); return 0; } static int oxnas_ox820_gpio_request_enable(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned int offset) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); u32 mask = BIT(offset - bank->gpio_chip.base); dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", offset, bank->gpio_chip.base, bank->id, mask); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_SECONDARY_SEL, mask, 0); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_TERTIARY_SEL, mask, 0); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_QUATERNARY_SEL, mask, 0); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_DEBUG_SEL, mask, 0); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_ALTERNATIVE_SEL, mask, 0); return 0; } static int oxnas_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(offset); if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask) return GPIO_LINE_DIRECTION_OUT; return GPIO_LINE_DIRECTION_IN; } static int oxnas_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(offset); writel_relaxed(mask, bank->reg_base + OUTPUT_EN_CLEAR); return 0; } static int oxnas_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(offset); return (readl_relaxed(bank->reg_base + INPUT_VALUE) & mask) != 0; } static void oxnas_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(offset); if (value) writel_relaxed(mask, bank->reg_base + OUTPUT_SET); else writel_relaxed(mask, bank->reg_base + OUTPUT_CLEAR); } static int oxnas_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(offset); oxnas_gpio_set(chip, offset, value); writel_relaxed(mask, bank->reg_base + OUTPUT_EN_SET); return 0; } static int oxnas_gpio_set_direction(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned int offset, bool input) { struct gpio_chip *chip = range->gc; if (input) oxnas_gpio_direction_input(chip, offset); else oxnas_gpio_direction_output(chip, offset, 0); return 0; } static const struct pinmux_ops oxnas_ox810se_pinmux_ops = { .get_functions_count = oxnas_pinmux_get_functions_count, .get_function_name = oxnas_pinmux_get_function_name, .get_function_groups = oxnas_pinmux_get_function_groups, .set_mux = oxnas_ox810se_pinmux_enable, .gpio_request_enable = oxnas_ox810se_gpio_request_enable, .gpio_set_direction = oxnas_gpio_set_direction, }; static const struct pinmux_ops oxnas_ox820_pinmux_ops = { .get_functions_count = oxnas_pinmux_get_functions_count, .get_function_name = oxnas_pinmux_get_function_name, .get_function_groups = oxnas_pinmux_get_function_groups, .set_mux = oxnas_ox820_pinmux_enable, .gpio_request_enable = oxnas_ox820_gpio_request_enable, .gpio_set_direction = oxnas_gpio_set_direction, }; static int oxnas_ox810se_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *config) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); unsigned int param = pinconf_to_config_param(*config); u32 mask = BIT(pin - bank->gpio_chip.base); int ret; u32 arg; switch (param) { case PIN_CONFIG_BIAS_PULL_UP: ret = regmap_read(pctl->regmap, (bank->id ? PINMUX_810_PULLUP_CTRL1 : PINMUX_810_PULLUP_CTRL0), &arg); if (ret) return ret; arg = !!(arg & mask); break; default: return -ENOTSUPP; } *config = pinconf_to_config_packed(param, arg); return 0; } static int oxnas_ox820_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *config) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); unsigned int param = pinconf_to_config_param(*config); unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); u32 mask = BIT(pin - bank->gpio_chip.base); int ret; u32 arg; switch (param) { case PIN_CONFIG_BIAS_PULL_UP: ret = regmap_read(pctl->regmap, bank_offset + PINMUX_820_PULLUP_CTRL, &arg); if (ret) return ret; arg = !!(arg & mask); break; default: return -ENOTSUPP; } *config = pinconf_to_config_packed(param, arg); return 0; } static int oxnas_ox810se_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *configs, unsigned int num_configs) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); unsigned int param; unsigned int i; u32 offset = pin - bank->gpio_chip.base; u32 mask = BIT(offset); dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", pin, bank->gpio_chip.base, mask); for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); switch (param) { case PIN_CONFIG_BIAS_PULL_UP: dev_dbg(pctl->dev, " pullup\n"); regmap_write_bits(pctl->regmap, (bank->id ? PINMUX_810_PULLUP_CTRL1 : PINMUX_810_PULLUP_CTRL0), mask, mask); break; default: dev_err(pctl->dev, "Property %u not supported\n", param); return -ENOTSUPP; } } return 0; } static int oxnas_ox820_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *configs, unsigned int num_configs) { struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); unsigned int param; unsigned int i; u32 offset = pin - bank->gpio_chip.base; u32 mask = BIT(offset); dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", pin, bank->gpio_chip.base, mask); for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); switch (param) { case PIN_CONFIG_BIAS_PULL_UP: dev_dbg(pctl->dev, " pullup\n"); regmap_write_bits(pctl->regmap, bank_offset + PINMUX_820_PULLUP_CTRL, mask, mask); break; default: dev_err(pctl->dev, "Property %u not supported\n", param); return -ENOTSUPP; } } return 0; } static const struct pinconf_ops oxnas_ox810se_pinconf_ops = { .pin_config_get = oxnas_ox810se_pinconf_get, .pin_config_set = oxnas_ox810se_pinconf_set, .is_generic = true, }; static const struct pinconf_ops oxnas_ox820_pinconf_ops = { .pin_config_get = oxnas_ox820_pinconf_get, .pin_config_set = oxnas_ox820_pinconf_set, .is_generic = true, }; static void oxnas_gpio_irq_ack(struct irq_data *data) { struct gpio_chip *chip = irq_data_get_irq_chip_data(data); struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); u32 mask = BIT(data->hwirq); writel(mask, bank->reg_base + IRQ_PENDING); } static void oxnas_gpio_irq_mask(struct irq_data *data) { struct gpio_chip *chip = irq_data_get_irq_chip_data(data); struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); unsigned int type = irqd_get_trigger_type(data); u32 mask = BIT(data->hwirq); if (type & IRQ_TYPE_EDGE_RISING) writel(readl(bank->reg_base + RE_IRQ_ENABLE) & ~mask, bank->reg_base + RE_IRQ_ENABLE); if (type & IRQ_TYPE_EDGE_FALLING) writel(readl(bank->reg_base + FE_IRQ_ENABLE) & ~mask, bank->reg_base + FE_IRQ_ENABLE); } static void oxnas_gpio_irq_unmask(struct irq_data *data) { struct gpio_chip *chip = irq_data_get_irq_chip_data(data); struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); unsigned int type = irqd_get_trigger_type(data); u32 mask = BIT(data->hwirq); if (type & IRQ_TYPE_EDGE_RISING) writel(readl(bank->reg_base + RE_IRQ_ENABLE) | mask, bank->reg_base + RE_IRQ_ENABLE); if (type & IRQ_TYPE_EDGE_FALLING) writel(readl(bank->reg_base + FE_IRQ_ENABLE) | mask, bank->reg_base + FE_IRQ_ENABLE); } static unsigned int oxnas_gpio_irq_startup(struct irq_data *data) { struct gpio_chip *chip = irq_data_get_irq_chip_data(data); oxnas_gpio_direction_input(chip, data->hwirq); oxnas_gpio_irq_unmask(data); return 0; } static int oxnas_gpio_irq_set_type(struct irq_data *data, unsigned int type) { if ((type & (IRQ_TYPE_EDGE_RISING|IRQ_TYPE_EDGE_FALLING)) == 0) return -EINVAL; irq_set_handler_locked(data, handle_edge_irq); return 0; } static void oxnas_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct oxnas_gpio_bank *bank = gpiochip_get_data(gc); struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long stat; unsigned int pin; chained_irq_enter(chip, desc); stat = readl(bank->reg_base + IRQ_PENDING); for_each_set_bit(pin, &stat, BITS_PER_LONG) generic_handle_irq(irq_linear_revmap(gc->irq.domain, pin)); chained_irq_exit(chip, desc); } #define GPIO_BANK(_bank) \ { \ .gpio_chip = { \ .label = "GPIO" #_bank, \ .request = gpiochip_generic_request, \ .free = gpiochip_generic_free, \ .get_direction = oxnas_gpio_get_direction, \ .direction_input = oxnas_gpio_direction_input, \ .direction_output = oxnas_gpio_direction_output, \ .get = oxnas_gpio_get, \ .set = oxnas_gpio_set, \ .ngpio = PINS_PER_BANK, \ .base = GPIO_BANK_START(_bank), \ .owner = THIS_MODULE, \ .can_sleep = 0, \ }, \ .irq_chip = { \ .name = "GPIO" #_bank, \ .irq_startup = oxnas_gpio_irq_startup, \ .irq_ack = oxnas_gpio_irq_ack, \ .irq_mask = oxnas_gpio_irq_mask, \ .irq_unmask = oxnas_gpio_irq_unmask, \ .irq_set_type = oxnas_gpio_irq_set_type, \ }, \ } static struct oxnas_gpio_bank oxnas_gpio_banks[] = { GPIO_BANK(0), GPIO_BANK(1), }; static struct oxnas_pinctrl ox810se_pinctrl = { .functions = oxnas_ox810se_functions, .nfunctions = ARRAY_SIZE(oxnas_ox810se_functions), .groups = oxnas_ox810se_groups, .ngroups = ARRAY_SIZE(oxnas_ox810se_groups), .gpio_banks = oxnas_gpio_banks, .nbanks = ARRAY_SIZE(oxnas_gpio_banks), }; static struct pinctrl_desc oxnas_ox810se_pinctrl_desc = { .name = "oxnas-pinctrl", .pins = oxnas_ox810se_pins, .npins = ARRAY_SIZE(oxnas_ox810se_pins), .pctlops = &oxnas_pinctrl_ops, .pmxops = &oxnas_ox810se_pinmux_ops, .confops = &oxnas_ox810se_pinconf_ops, .owner = THIS_MODULE, }; static struct oxnas_pinctrl ox820_pinctrl = { .functions = oxnas_ox820_functions, .nfunctions = ARRAY_SIZE(oxnas_ox820_functions), .groups = oxnas_ox820_groups, .ngroups = ARRAY_SIZE(oxnas_ox820_groups), .gpio_banks = oxnas_gpio_banks, .nbanks = ARRAY_SIZE(oxnas_gpio_banks), }; static struct pinctrl_desc oxnas_ox820_pinctrl_desc = { .name = "oxnas-pinctrl", .pins = oxnas_ox820_pins, .npins = ARRAY_SIZE(oxnas_ox820_pins), .pctlops = &oxnas_pinctrl_ops, .pmxops = &oxnas_ox820_pinmux_ops, .confops = &oxnas_ox820_pinconf_ops, .owner = THIS_MODULE, }; static struct oxnas_pinctrl_data oxnas_ox810se_pinctrl_data = { .desc = &oxnas_ox810se_pinctrl_desc, .pctl = &ox810se_pinctrl, }; static struct oxnas_pinctrl_data oxnas_ox820_pinctrl_data = { .desc = &oxnas_ox820_pinctrl_desc, .pctl = &ox820_pinctrl, }; static const struct of_device_id oxnas_pinctrl_of_match[] = { { .compatible = "oxsemi,ox810se-pinctrl", .data = &oxnas_ox810se_pinctrl_data }, { .compatible = "oxsemi,ox820-pinctrl", .data = &oxnas_ox820_pinctrl_data, }, { }, }; static int oxnas_pinctrl_probe(struct platform_device *pdev) { const struct of_device_id *id; const struct oxnas_pinctrl_data *data; struct oxnas_pinctrl *pctl; id = of_match_node(oxnas_pinctrl_of_match, pdev->dev.of_node); if (!id) return -ENODEV; data = id->data; if (!data || !data->pctl || !data->desc) return -EINVAL; pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); if (!pctl) return -ENOMEM; pctl->dev = &pdev->dev; dev_set_drvdata(&pdev->dev, pctl); pctl->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "oxsemi,sys-ctrl"); if (IS_ERR(pctl->regmap)) { dev_err(&pdev->dev, "failed to get sys ctrl regmap\n"); return -ENODEV; } pctl->functions = data->pctl->functions; pctl->nfunctions = data->pctl->nfunctions; pctl->groups = data->pctl->groups; pctl->ngroups = data->pctl->ngroups; pctl->gpio_banks = data->pctl->gpio_banks; pctl->nbanks = data->pctl->nbanks; pctl->pctldev = pinctrl_register(data->desc, &pdev->dev, pctl); if (IS_ERR(pctl->pctldev)) { dev_err(&pdev->dev, "Failed to register pinctrl device\n"); return PTR_ERR(pctl->pctldev); } return 0; } static int oxnas_gpio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct of_phandle_args pinspec; struct oxnas_gpio_bank *bank; unsigned int id, ngpios; int irq, ret; struct gpio_irq_chip *girq; if (of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &pinspec)) { dev_err(&pdev->dev, "gpio-ranges property not found\n"); return -EINVAL; } id = pinspec.args[1] / PINS_PER_BANK; ngpios = pinspec.args[2]; if (id >= ARRAY_SIZE(oxnas_gpio_banks)) { dev_err(&pdev->dev, "invalid gpio-ranges base arg\n"); return -EINVAL; } if (ngpios > PINS_PER_BANK) { dev_err(&pdev->dev, "invalid gpio-ranges count arg\n"); return -EINVAL; } bank = &oxnas_gpio_banks[id]; bank->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(bank->reg_base)) return PTR_ERR(bank->reg_base); irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; bank->id = id; bank->gpio_chip.parent = &pdev->dev; bank->gpio_chip.of_node = np; bank->gpio_chip.ngpio = ngpios; girq = &bank->gpio_chip.irq; girq->chip = &bank->irq_chip; girq->parent_handler = oxnas_gpio_irq_handler; girq->num_parents = 1; girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), GFP_KERNEL); if (!girq->parents) return -ENOMEM; girq->parents[0] = irq; girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_level_irq; ret = gpiochip_add_data(&bank->gpio_chip, bank); if (ret < 0) { dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", id, ret); return ret; } return 0; } static struct platform_driver oxnas_pinctrl_driver = { .driver = { .name = "oxnas-pinctrl", .of_match_table = oxnas_pinctrl_of_match, .suppress_bind_attrs = true, }, .probe = oxnas_pinctrl_probe, }; static const struct of_device_id oxnas_gpio_of_match[] = { { .compatible = "oxsemi,ox810se-gpio", }, { .compatible = "oxsemi,ox820-gpio", }, { }, }; static struct platform_driver oxnas_gpio_driver = { .driver = { .name = "oxnas-gpio", .of_match_table = oxnas_gpio_of_match, .suppress_bind_attrs = true, }, .probe = oxnas_gpio_probe, }; static int __init oxnas_gpio_register(void) { return platform_driver_register(&oxnas_gpio_driver); } arch_initcall(oxnas_gpio_register); static int __init oxnas_pinctrl_register(void) { return platform_driver_register(&oxnas_pinctrl_driver); } arch_initcall(oxnas_pinctrl_register);
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