[PATCH V1 07/11] ARM: dts: imx6qdl-sabrelite: add pwms for backlights
Troy Kisky
troy.kisky at boundarydevices.com
Thu Dec 12 20:49:11 EST 2013
add pwm1 for lcd backlight
add pwm4 for lvds backlight
add pwm3 for ov5640 mipi clock
Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
---
arch/arm/boot/dts/imx6qdl-sabrelite.dtsi | 54 ++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
index fa10ded..ac33d94 100644
--- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi
@@ -103,6 +103,24 @@
mux-int-port = <1>;
mux-ext-port = <4>;
};
+
+ backlight_lcd {
+ compatible = "pwm-backlight";
+ pwms = <&pwm1 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ power-supply = <®_3p3v>;
+ status = "okay";
+ };
+
+ backlight_lvds {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ power-supply = <®_3p3v>;
+ status = "okay";
+ };
};
&audmux {
@@ -187,6 +205,24 @@
fsl,pins = <MX6QDL_I2C1_PINGRP1>;
};
+ pinctrl_pwm1: pwm1grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_DAT3__PWM1_OUT 0x1b0b1
+ >;
+ };
+
+ pinctrl_pwm3: pwm3grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_DAT1__PWM3_OUT 0x1b0b1
+ >;
+ };
+
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <MX6QDL_UART1_PINGRP2>;
};
@@ -234,6 +270,24 @@
};
};
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm1>;
+ status = "okay";
+};
+
+&pwm3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm3>;
+ status = "okay";
+};
+
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
--
1.8.1.2
More information about the linux-arm-kernel
mailing list