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ARM: dts: am43x-epos-evm: Add pwm backlight support. 

Add pwm backlight support for am43x epos evm.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
This commit is contained in:
Sourav Poddar 2013-12-19 18:03:34 +05:30 committed by Benoit Cousson
parent aa8423054a
commit 2e3a9385d7
1 changed files with 24 additions and 0 deletions
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24
arch/arm/boot/dts/am43x-epos-evm.dts
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@ -13,6 +13,7 @@
#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pwm/pwm.h>
/ {
model = "TI AM43x EPOS EVM";
@ -79,6 +80,12 @@
0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
>;
};
ecap0_pins: backlight_pins {
pinctrl-single,pins = <
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
>;
};
};
matrix_keypad: matrix_keypad@0 {
@ -113,6 +120,13 @@
0x0203006c /* DOWN */
0x03030069>; /* LEFT */
};
backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
brightness-levels = <0 51 53 56 62 75 101 152 255>;
default-brightness-level = <8>;
};
};
&mmc1 {
@ -184,3 +198,13 @@
&gpio3 {
status = "okay";
};
&epwmss0 {
status = "okay";
};
&ecap0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&ecap0_pins>;
};