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ARM: dts: am437x-gp-evm: Add pwm backlight support.

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Add pwm backlight support for gp 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 18:03:39 +05:30 committed by Benoit Cousson
parent 11e2191c2a
commit c540b476d2
1 changed files with 24 additions and 0 deletions
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24
arch/arm/boot/dts/am437x-gp-evm.dts
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@ -12,10 +12,18 @@
#include "am4372.dtsi"
#include <dt-bindings/pinctrl/am43xx.h>
#include <dt-bindings/pwm/pwm.h>
/ {
model = "TI AM437x GP EVM";
compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
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>;
};
};
&am43xx_pinmux {
@ -32,6 +40,12 @@ i2c1_pins: i2c1_pins {
0x158 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2) /* spi0_d1.i2c1_sda */
>;
};
ecap0_pins: backlight_pins {
pinctrl-single,pins = <
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
>;
};
};
&i2c0 {
@ -45,3 +59,13 @@ &i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
};
&epwmss0 {
status = "okay";
};
&ecap0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&ecap0_pins>;
};