diff options
| -rw-r--r-- | drivers/gpio/gpio-tps65219.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-tps65219.c b/drivers/gpio/gpio-tps65219.c index 630cb41e77a4..c8f8f88b4239 100644 --- a/drivers/gpio/gpio-tps65219.c +++ b/drivers/gpio/gpio-tps65219.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* - * GPIO driver for TI TPS65219 PMICs + * GPIO driver for TI TPS65215/TPS65219 PMICs * - * Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2022, 2025 Texas Instruments Incorporated - http://www.ti.com/ */ #include <linux/bits.h> @@ -13,8 +13,15 @@ #include <linux/regmap.h> #define TPS65219_GPIO0_DIR_MASK BIT(3) -#define TPS65219_GPIO0_OFFSET 2 -#define TPS65219_GPIO0_IDX 0 +#define TPS6521X_GPIO0_OFFSET 2 +#define TPS6521X_GPIO0_IDX 0 + +/* + * TPS65215 & TPS65219 GPIO mapping + * Linux gpio offset 0 -> GPIO (pin16) -> bit_offset 2 + * Linux gpio offset 1 -> GPO1 (pin8 ) -> bit_offset 0 + * Linux gpio offset 2 -> GPO2 (pin17) -> bit_offset 1 + */ struct tps65219_gpio { struct gpio_chip gpio_chip; @@ -26,7 +33,7 @@ static int tps65219_gpio_get_direction(struct gpio_chip *gc, unsigned int offset struct tps65219_gpio *gpio = gpiochip_get_data(gc); int ret, val; - if (offset != TPS65219_GPIO0_IDX) + if (offset != TPS6521X_GPIO0_IDX) return GPIO_LINE_DIRECTION_OUT; ret = regmap_read(gpio->tps->regmap, TPS65219_REG_MFP_1_CONFIG, &val); @@ -42,7 +49,7 @@ static int tps65219_gpio_get(struct gpio_chip *gc, unsigned int offset) struct device *dev = gpio->tps->dev; int ret, val; - if (offset != TPS65219_GPIO0_IDX) { + if (offset != TPS6521X_GPIO0_IDX) { dev_err(dev, "GPIO%d is output only, cannot get\n", offset); return -ENOTSUPP; } @@ -70,7 +77,7 @@ static int tps65219_gpio_set(struct gpio_chip *gc, unsigned int offset, int valu struct tps65219_gpio *gpio = gpiochip_get_data(gc); int v, mask, bit; - bit = (offset == TPS65219_GPIO0_IDX) ? TPS65219_GPIO0_OFFSET : offset - 1; + bit = (offset == TPS6521X_GPIO0_IDX) ? TPS6521X_GPIO0_OFFSET : offset - 1; mask = BIT(bit); v = value ? mask : 0; @@ -116,7 +123,7 @@ static int tps65219_gpio_direction_input(struct gpio_chip *gc, unsigned int offs struct tps65219_gpio *gpio = gpiochip_get_data(gc); struct device *dev = gpio->tps->dev; - if (offset != TPS65219_GPIO0_IDX) { + if (offset != TPS6521X_GPIO0_IDX) { dev_err(dev, "GPIO%d is output only, cannot change to input\n", offset); return -ENOTSUPP; } @@ -130,7 +137,7 @@ static int tps65219_gpio_direction_input(struct gpio_chip *gc, unsigned int offs static int tps65219_gpio_direction_output(struct gpio_chip *gc, unsigned int offset, int value) { tps65219_gpio_set(gc, offset, value); - if (offset != TPS65219_GPIO0_IDX) + if (offset != TPS6521X_GPIO0_IDX) return 0; if (tps65219_gpio_get_direction(gc, offset) == GPIO_LINE_DIRECTION_OUT) @@ -178,5 +185,5 @@ module_platform_driver(tps65219_gpio_driver); MODULE_ALIAS("platform:tps65219-gpio"); MODULE_AUTHOR("Jonathan Cormier <jcormier@criticallink.com>"); -MODULE_DESCRIPTION("TPS65219 GPIO driver"); +MODULE_DESCRIPTION("TPS65215/TPS65219 GPIO driver"); MODULE_LICENSE("GPL"); |