AM642 SK has 8 leds connected to tpic2810 onboard. Add support for these gpio leds. Signed-off-by: Aparna M <a-m1@xxxxxx> --- This patch is dependent on: https://lore.kernel.org/all/20220223174215.17838-1-a-m1@xxxxxx/ v1 -> v2: Fixed led-controller name and changed led-7 funtion to show heartbeat functionality. Rebased on top for 5.19-rc4. arch/arm64/boot/dts/ti/k3-am642-sk.dts | 69 ++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 59f506cbd275..47476fd068a8 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -150,6 +150,67 @@ vin-supply = <&com8_ls_en>; gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>; }; + + led-controller { + compatible = "gpio-leds"; + + led-0 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <1>; + gpios = <&exp2 0 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-1 { + color = <LED_COLOR_ID_RED>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <2>; + gpios = <&exp2 1 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-2 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <3>; + gpios = <&exp2 2 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-3 { + color = <LED_COLOR_ID_AMBER>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <4>; + gpios = <&exp2 3 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-4 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <5>; + gpios = <&exp2 4 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-5 { + color = <LED_COLOR_ID_RED>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <6>; + gpios = <&exp2 5 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-6 { + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <7>; + gpios = <&exp2 6 GPIO_ACTIVE_HIGH>; + default-state = "off"; + }; + led-7 { + color = <LED_COLOR_ID_AMBER>; + function = LED_FUNCTION_HEARTBEAT; + function-enumerator = <8>; + linux,default-trigger = "heartbeat"; + gpios = <&exp2 7 GPIO_ACTIVE_HIGH>; + }; + }; }; &main_pmx0 { @@ -316,6 +377,14 @@ "VPP_LDO_EN", "RPI_PS_3V3_En", "RPI_PS_5V0_En", "RPI_HAT_DETECT"; }; + + exp2: gpio@60 { + compatible = "ti,tpic2810"; + reg = <0x60>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "LED1","LED2","LED3","LED4","LED5","LED6","LED7","LED8"; + }; }; &main_i2c3 { -- 2.17.1
