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authorMarek Belisko2016-05-17 21:48:47 +0200
committerTony Lindgren2016-06-10 04:58:06 -0700
commit28a1b403b28e34e4a4e6ff29925e66d358499622 (patch)
tree972872e1f9e0f283d9b52a683a0ee57965d5094a
parente7c8682143db9771bad62626793201eb809cfaf2 (diff)
ARM: dts: omap3-gta04: Add backlight support
Define pwm backlight node which is using dmtimer pwm. Signed-off-by: Marek Belisko <marek@goldelico.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/boot/dts/omap3-gta04.dtsi22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index ab9fb8f49ff3..cef8b23a6b19 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 */