[PATCH] ARM: dts: exynos: add flash support to galaxy-s3 boards

Denis 'GNUtoo' Carikli GNUtoo at cyberdimension.org
Fri Jun 14 08:54:19 PDT 2019


From: Simon Shields <simon at lineageos.org>

The galaxy s3 boards use an aat1290 to control the flash LED.
This patch adds the relevant device tree configuration to use it.

Signed-off-by: Simon Shields <simon at lineageos.org>
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo at cyberdimension.org> [rebase]
---
 arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi | 32 +++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi
index 30eee5942eff..375aeca09882 100644
--- a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi
+++ b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi
@@ -15,6 +15,24 @@
 		i2c10 = &i2c_cm36651;
 	};
 
+	aat1290 {
+		compatible = "skyworks,aat1290";
+		flen-gpios = <&gpj1 1 GPIO_ACTIVE_HIGH>;
+		enset-gpios = <&gpj1 2 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-names = "default", "host", "isp";
+		pinctrl-0 = <&camera_flash_host>;
+		pinctrl-1 = <&camera_flash_host>;
+		pinctrl-2 = <&camera_flash_isp>;
+
+		flash-led {
+			label = "flash";
+			led-max-microamp = <520833>;
+			flash-max-microamp = <1012500>;
+			flash-max-timeout-us = <1940000>;
+		};
+	};
+
 	lcd_vdd3_reg: voltage-regulator-6 {
 		compatible = "regulator-fixed";
 		regulator-name = "LCD_VDD_2.2V";
@@ -131,6 +149,20 @@
 	regulator-max-microvolt = <2800000>;
 };
 
+&pinctrl_0 {
+	camera_flash_host: camera-flash-host {
+		samsung,pins = "gpj1-0";
+		samsung,pin-function = <1>;
+		samsung,pin-val = <0>;
+	};
+
+	camera_flash_isp: camera-flash-isp {
+		samsung,pins = "gpj1-0";
+		samsung,pin-function = <1>;
+		samsung,pin-val = <1>;
+	};
+};
+
 &s5c73m3 {
 	standby-gpios = <&gpm0 1 GPIO_ACTIVE_LOW>;   /* ISP_STANDBY */
 	vdda-supply = <&ldo17_reg>;
-- 
2.21.0




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