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ARM: dts: imx: add LVDS backlight for Ventana

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The GW54xx/GW53xx/GW52xx all support LVDS with a PWM controlled backlight.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Tim Harvey 2014-04-30 23:32:30 -07:00 • committed by Shawn Guo
parent 13d9ab5e87
commit b3253241fd
3 changed files with 57 additions and 0 deletions
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19
arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
View file

@ -27,6 +27,13 @@
bootargs = "console=ttymxc1,115200"; 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 { leds {
compatible = "gpio-leds"; compatible = "gpio-leds";
@ -399,6 +406,12 @@
>; >;
}; };
pinctrl_pwm4: pwm4grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
>;
};
pinctrl_uart1: uart1grp { pinctrl_uart1: uart1grp {
fsl,pins = < fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1 MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@ -448,6 +461,12 @@
status = "okay"; status = "okay";
}; };
&pwm4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm4>;
status = "okay";
};
&ssi1 { &ssi1 {
fsl,mode = "i2s-slave"; fsl,mode = "i2s-slave";
status = "okay"; status = "okay";

19
arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
View file

@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200"; 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 { leds {
compatible = "gpio-leds"; compatible = "gpio-leds";
@ -439,6 +446,12 @@
>; >;
}; };
pinctrl_pwm4: pwm4grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
>;
};
pinctrl_uart1: uart1grp { pinctrl_uart1: uart1grp {
fsl,pins = < fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1 MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@ -513,6 +526,12 @@
}; };
}; };
&pwm4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm4>;
status = "okay";
};
&ssi1 { &ssi1 {
fsl,mode = "i2s-slave"; fsl,mode = "i2s-slave";
status = "okay"; status = "okay";

19
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
View file

@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200"; 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 { leds {
compatible = "gpio-leds"; compatible = "gpio-leds";
@ -461,6 +468,12 @@
>; >;
}; };
pinctrl_pwm4: pwm4grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
>;
};
pinctrl_uart1: uart1grp { pinctrl_uart1: uart1grp {
fsl,pins = < fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1 MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@ -535,6 +548,12 @@
}; };
}; };
&pwm4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm4>;
status = "okay";
};
&ssi1 { &ssi1 {
fsl,mode = "i2s-slave"; fsl,mode = "i2s-slave";
status = "okay"; status = "okay";