PWM output from ecap0 uses as backlight source. Also adds low threshold
value to have a uniform divisions in brightness-levels scales.
Signed-off-by: Philip, Avinash <avinashphi...@ti.com>
---
:100644 100644 a5c4c62... 5516098... M arch/arm/boot/dts/am335x-evm.dts
arch/arm/boot/dts/am335x-evm.dts | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index a5c4c62..5516098 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -24,6 +24,14 @@
reg = <0x80000000 0x10000000>; /* 256 MB */
};
+ am33xx_pinmux: pinmux@44e10800 {
+ ecap0_pins: backlight_pins {
+ pinctrl-single,pins = <
+ 0x164 0x0 /*
eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
+ >;
+ };
+ };
+
ocp {
uart1: serial@44e09000 {
status = "okay";
@@ -75,6 +83,12 @@
reg = <0x48>;
};
};
+
+ ecap0: ecap@48300100 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pins>;
+ };
};
vbat: fixedregulator@0 {
@@ -90,6 +104,13 @@
regulator-name = "lis3_reg";
regulator-boot-on;
};
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&ecap0 0 50000 0>;
+ brightness-levels = <0 51 53 56 62 75 101 152 255>;
+ default-brightness-level = <8>;
+ };
};
/include/ "tps65910.dtsi"
--
1.7.0.4
--
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