diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2020-08-26 23:21:49 +0300 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2020-09-30 18:25:03 +0300 |
| commit | b6d213fb0b503683c0c6d33d80c85babd36bf0fc (patch) | |
| tree | 7f64ecaf7eca10063659165d133de7ce4a2abe39 /drivers/mfd | |
| parent | 0f1b1b899521e3380a01f9f88a1bcb6163b7ee9f (diff) | |
| download | linux-b6d213fb0b503683c0c6d33d80c85babd36bf0fc.tar.xz | |
mfd: dm355evm_msp: Convert LEDs to GPIO descriptor table
This converts the DaVinci DM355EVM LEDs to use GPIO descriptor look-ups.
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/dm355evm_msp.c | 76 |
1 files changed, 50 insertions, 26 deletions
diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c index 151c36ce7343..54fb6cbd2aa0 100644 --- a/drivers/mfd/dm355evm_msp.c +++ b/drivers/mfd/dm355evm_msp.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/err.h> #include <linux/gpio.h> +#include <linux/gpio/machine.h> #include <linux/leds.h> #include <linux/i2c.h> #include <linux/mfd/dm355evm_msp.h> @@ -116,6 +117,54 @@ static const u8 msp_gpios[] = { MSP_GPIO(4, SDMMC), MSP_GPIO(3, SDMMC), /* mmc1 WP, nCD */ }; +static struct gpio_led evm_leds[] = { + { .name = "dm355evm::ds14", + .default_trigger = "heartbeat", }, + { .name = "dm355evm::ds15", + .default_trigger = "mmc0", }, + { .name = "dm355evm::ds16", + /* could also be a CE-ATA drive */ + .default_trigger = "mmc1", }, + { .name = "dm355evm::ds17", + .default_trigger = "nand-disk", }, + { .name = "dm355evm::ds18", }, + { .name = "dm355evm::ds19", }, + { .name = "dm355evm::ds20", }, + { .name = "dm355evm::ds21", }, +}; + +static struct gpio_led_platform_data evm_led_data = { + .num_leds = ARRAY_SIZE(evm_leds), + .leds = evm_leds, +}; + +static struct gpiod_lookup_table evm_leds_gpio_table = { + .dev_id = "leds-gpio", + .table = { + /* + * These GPIOs are on the dm355evm_msp + * GPIO chip at index 0..7 + */ + GPIO_LOOKUP_IDX("dm355evm_msp", 0, NULL, + 0, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 1, NULL, + 1, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 2, NULL, + 2, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 3, NULL, + 3, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 4, NULL, + 4, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 5, NULL, + 5, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 6, NULL, + 6, GPIO_ACTIVE_LOW), + GPIO_LOOKUP_IDX("dm355evm_msp", 7, NULL, + 7, GPIO_ACTIVE_LOW), + { }, + }, +}; + #define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3) #define MSP_GPIO_MASK(offset) BIT(msp_gpios[(offset)] & 0x07) @@ -260,32 +309,7 @@ static int add_children(struct i2c_client *client) /* LED output */ if (msp_has_leds()) { -#define GPIO_LED(l) .name = l, .active_low = true - static struct gpio_led evm_leds[] = { - { GPIO_LED("dm355evm::ds14"), - .default_trigger = "heartbeat", }, - { GPIO_LED("dm355evm::ds15"), - .default_trigger = "mmc0", }, - { GPIO_LED("dm355evm::ds16"), - /* could also be a CE-ATA drive */ - .default_trigger = "mmc1", }, - { GPIO_LED("dm355evm::ds17"), - .default_trigger = "nand-disk", }, - { GPIO_LED("dm355evm::ds18"), }, - { GPIO_LED("dm355evm::ds19"), }, - { GPIO_LED("dm355evm::ds20"), }, - { GPIO_LED("dm355evm::ds21"), }, - }; -#undef GPIO_LED - - struct gpio_led_platform_data evm_led_data = { - .num_leds = ARRAY_SIZE(evm_leds), - .leds = evm_leds, - }; - - for (i = 0; i < ARRAY_SIZE(evm_leds); i++) - evm_leds[i].gpio = i + dm355evm_msp_gpio.base; - + gpiod_add_lookup_table(&evm_leds_gpio_table); /* NOTE: these are the only fully programmable LEDs * on the board, since GPIO-61/ds22 (and many signals * going to DC7) must be used for AEMIF address lines |