From: Simon Shields <simon@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@xxxxxxxxxxxxxxxxxx> [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
