[PATCH 1/5] ARM: dts: omap3-gta04: Add backlight support

From: Marek Belisko
Date: Tue May 17 2016 - 15:50:28 EST


Define pwm backlight node which is using dmtimer pwm.

Signed-off-by: Marek Belisko <marek@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/omap3-gta04.dtsi | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index ab9fb8f..cef8b23 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -100,6 +100,22 @@
};
};

+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm11 0 2000000 0>;
+ pwm-names = "backlight";
+ brightness-levels = <0 11 20 30 40 50 60 70 80 90 100>;
+ default-brightness-level = <9>; /* => 90 */
+ pinctrl-names = "default";
+ pinctrl-0 = <&backlight_pins>;
+ };
+
+ pwm11: dmtimer-pwm@11 {
+ compatible = "ti,omap-dmtimer-pwm";
+ ti,timers = <&timer11>;
+ #pwm-cells = <3>;
+ };
+
hsusb2_phy: hsusb2_phy {
compatible = "usb-nop-xceiv";
reset-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
@@ -190,6 +206,12 @@
>;
};

+ backlight_pins: backlight_pins_pimnux {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x20ba, MUX_MODE3) /* gpt11/gpio57 */
+ >;
+ };
+
dss_dpi_pins: pinmux_dss_dpi_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20d4, PIN_OUTPUT | MUX_MODE0) /* dss_pclk.dss_pclk */
--
2.5.0