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| author | Linus Walleij <linus.walleij@linaro.org> | 2021-02-01 10:13:08 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2021-02-02 18:00:04 +0100 |
| commit | e9cb878ec238f85b81c7b439b4280062d4fbf9b8 (patch) | |
| tree | 23920f4dcc0cd5a3b9dd639fdb5e99ec91bb4e08 /arch/arm/boot/dts/ste-ux500-samsung-skomer.dts | |
| parent | bc84e13f9b1b3e2ac4df988089a9e8bcabb90ca3 (diff) | |
| download | linux-e9cb878ec238f85b81c7b439b4280062d4fbf9b8.tar.gz | |
ARM: dts: ux500: Add Flash LEDs to Samsung phones
This adds the Richtek RT8515 Flash LED to the Golden,
Skomer and Janice device trees.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210201091308.284465-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/boot/dts/ste-ux500-samsung-skomer.dts')
| -rw-r--r-- | arch/arm/boot/dts/ste-ux500-samsung-skomer.dts | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts index 36420492fd72..d28a00757d0b 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts @@ -8,6 +8,7 @@ #include "ste-ab8505.dtsi" #include "ste-dbx5x0-pinctrl.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> @@ -118,6 +119,32 @@ pinctrl-0 = <&gpio_backlight_default_mode>; }; + /* Richtek RT8515GQW Flash LED Driver IC */ + flash { + compatible = "richtek,rt8515"; + /* GPIO 140 */ + enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>; + /* GPIO 141 */ + ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>; + /* + * RFS is 16 kOhm and RTS is 100 kOhm giving + * the flash max current 343mA and torch max + * current 55 mA. + */ + richtek,rfs-ohms = <16000>; + richtek,rts-ohms = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&gpio_flash_default_mode>; + + led { + function = LED_FUNCTION_FLASH; + color = <LED_COLOR_ID_WHITE>; + flash-max-timeout-us = <250000>; + flash-max-microamp = <343750>; + led-max-microamp = <55000>; + }; + }; + i2c-gpio-0 { compatible = "i2c-gpio"; sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; @@ -487,6 +514,14 @@ }; }; }; + flash { + gpio_flash_default_mode: flash_default { + skomer_cfg1 { + pins = "GPIO140_B11", "GPIO141_C12"; + ste,config = <&gpio_out_lo>; + }; + }; + }; /* GPIO that enables the 2.9V SD card level translator */ sd-level-translator { sd_level_translator_default: sd_level_translator_default { |