@@ -27,6 +27,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -399,6 +406,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -448,6 +461,12 @@
status = "okay";
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
@@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -439,6 +446,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -513,6 +526,12 @@
};
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
@@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -461,6 +468,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -535,6 +548,12 @@
};
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
The GW54xx/GW53xx/GW52xx all support LVDS with a PWM controlled backlight. Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 19 +++++++++++++++++++ arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 19 +++++++++++++++++++ arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 19 +++++++++++++++++++ 3 files changed, 57 insertions(+)