From 6b4ad4be646994e7e8c5707c87cc38725fd31e1b Mon Sep 17 00:00:00 2001
From: Nikita Travkin <nikitos.tr@gmail.com>
Date: Fri, 13 Nov 2020 22:59:15 +0500
Subject: [PATCH] arm64: dts: qcom: msm8916-longcheer-l8150: Add flash LED

L8150 uses SGM3785 Flash LED driver. It is similar to SGM3140 but
can also be controlled with PWM. Since SoC doesn't have PWM, add
led to the device tree using sgm3140 driver.

Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Nikita Travkin <nikitos.tr@gmail.com>
Link: https://lore.kernel.org/r/20201113175917.189123-4-nikitos.tr@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
 .../boot/dts/qcom/msm8916-longcheer-l8150.dts | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
index 79a2475e3cd55..2b8670dd4b712 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
@@ -6,6 +6,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/leds/common.h>
 
 / {
 	model = "Longcheer L8150";
@@ -65,6 +66,21 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&ctp_pwr_en_default>;
 	};
+
+	flash-led-controller {
+		compatible = "sgmicro,sgm3140";
+		flash-gpios = <&msmgpio 31 GPIO_ACTIVE_HIGH>;
+		enable-gpios = <&msmgpio 32 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&camera_flash_default>;
+
+		flash_led: led {
+			function = LED_FUNCTION_FLASH;
+			color = <LED_COLOR_ID_WHITE>;
+			flash-max-timeout-us = <250000>;
+		};
+	};
 };
 
 &blsp_i2c2 {
@@ -286,6 +302,14 @@
 };
 
 &msmgpio {
+	camera_flash_default: camera-flash-default {
+		pins = "gpio31", "gpio32";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	ctp_pwr_en_default: ctp-pwr-en-default {
 		pins = "gpio17";
 		function = "gpio";
-- 
2.30.2