ARM: dts: qcom: msm8974-klte: Add support for led

The klte uses a Panasonic AN30259A LED controller for it's indicator
led.

Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20200920144859.813032-5-iskren.chernev@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
index 085636f182d01f018404f9b3e59633cb6437df81..7b398da9b75ed1c251cdcb68a07857dcc0158883 100644 (file)
--- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
@@ -4,6 +4,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/leds/common.h>
 
 / {
        model = "Samsung Galaxy S5";
@@ -228,6 +229,44 @@
                };
        };
 
+       i2c-gpio-led {
+               compatible = "i2c-gpio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               scl-gpios = <&msmgpio 121 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               sda-gpios = <&msmgpio 120 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&i2c_led_pins>;
+
+               i2c-gpio,delay-us = <2>;
+
+               led-controller@30 {
+                       compatible = "panasonic,an30259a";
+                       reg = <0x30>;
+
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       led@1 {
+                               reg = <1>;
+                               function = LED_FUNCTION_STATUS;
+                               color = <LED_COLOR_ID_RED>;
+                       };
+
+                       led@2 {
+                               reg = <2>;
+                               function = LED_FUNCTION_STATUS;
+                               color = <LED_COLOR_ID_GREEN>;
+                       };
+
+                       led@3 {
+                               reg = <3>;
+                               function = LED_FUNCTION_STATUS;
+                               color = <LED_COLOR_ID_BLUE>;
+                       };
+               };
+       };
+
        /delete-node/ vreg-boost;
 };
 
@@ -312,6 +351,15 @@
                                bias-pull-up;
                        };
                };
+
+               i2c_led_pins: i2c-led {
+                       mux {
+                               pins = "gpio120", "gpio121";
+                               function = "gpio";
+                               input-enable;
+                               bias-pull-down;
+                       };
+               };
        };
 
        sdhci@f9824900 {