arm/dt: camera: Add LED camera flash node in dtsi
Add LED camera flash device node for 8974 that uses pm8941 LED flash
source. Add document for msm-camera-flash describing the required
properties and its significance.
Change-Id: Ic0ecfc547fead58df6fc19839dc1a7c5587e9b1f
Signed-off-by: Sreesudhan Ramakrish Ramkumar <srramku@codeaurora.org>
diff --git a/Documentation/devicetree/bindings/media/video/msm-camera-flash.txt b/Documentation/devicetree/bindings/media/video/msm-camera-flash.txt
new file mode 100644
index 0000000..72b32be
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/video/msm-camera-flash.txt
@@ -0,0 +1,23 @@
+* Qualcomm MSM CAMERA FLASH
+
+Required properties:
+- cell-index : Should contain flash source index to diffentiate
+ between different flash devices. These indexes represent flash devices
+ for multiple sensors.
+ - 0, 1, 2, 3
+- compatible :
+ - "qcom,camera-led-flash"
+- qcom,flash-type : Should contain type flash device
+ - 1 for LED flash
+ - 2 for strobe flash
+- qcom,flash-source : Should contain array of phandles to flash source nodes.
+ - pm8941_flash0 pm8941_flash1
+
+Example:
+
+qcom,camera-led-flash {
+ cell-index = <0>;
+ compatible = "qcom,camera-led-flash";
+ qcom,flash-type = <1>;
+ qcom,flash-source = <&pm8941_flash0 &pm8941_flash1>;
+};
diff --git a/arch/arm/boot/dts/msm8974-camera.dtsi b/arch/arm/boot/dts/msm8974-camera.dtsi
index 4b96811..c057579 100644
--- a/arch/arm/boot/dts/msm8974-camera.dtsi
+++ b/arch/arm/boot/dts/msm8974-camera.dtsi
@@ -165,6 +165,13 @@
vdd-supply = <&gdsc_vfe>;
};
+ led_flash0: qcom,camera-led-flash {
+ cell-index = <0>;
+ compatible = "qcom,camera-led-flash";
+ qcom,flash-type = <1>;
+ qcom,flash-source = <&pm8941_flash0 &pm8941_flash1>;
+ };
+
cci: qcom,cci@fda0C000 {
cell-index = <0>;
compatible = "qcom,cci";
diff --git a/arch/arm/boot/dts/msm8974-leds.dtsi b/arch/arm/boot/dts/msm8974-leds.dtsi
index 89bb687..6df4277a 100644
--- a/arch/arm/boot/dts/msm8974-leds.dtsi
+++ b/arch/arm/boot/dts/msm8974-leds.dtsi
@@ -51,7 +51,7 @@
qcom,leds@d300 {
status = "okay";
- qcom,flash_0 {
+ pm8941_flash0: qcom,flash_0 {
qcom,max-current = <1000>;
qcom,default-state = "off";
qcom,headroom = <0>;
@@ -67,7 +67,7 @@
qcom,current = <625>;
};
- qcom,flash_1 {
+ pm8941_flash1: qcom,flash_1 {
qcom,max-current = <1000>;
qcom,default-state = "off";
qcom,headroom = <0>;
diff --git a/arch/arm/boot/dts/msm8974-rumi.dtsi b/arch/arm/boot/dts/msm8974-rumi.dtsi
index 33656cd..c9b022d 100644
--- a/arch/arm/boot/dts/msm8974-rumi.dtsi
+++ b/arch/arm/boot/dts/msm8974-rumi.dtsi
@@ -10,6 +10,7 @@
* GNU General Public License for more details.
*/
+/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor.dtsi"
/ {
diff --git a/arch/arm/boot/dts/msm8974-sim.dtsi b/arch/arm/boot/dts/msm8974-sim.dtsi
index 8e8b3c3..fb638f7 100644
--- a/arch/arm/boot/dts/msm8974-sim.dtsi
+++ b/arch/arm/boot/dts/msm8974-sim.dtsi
@@ -11,6 +11,7 @@
*/
/include/ "dsi-panel-sim-video.dtsi"
+/include/ "msm8974-leds.dtsi"
/include/ "msm8974-camera-sensor.dtsi"
/ {