From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sourav Poddar Subject: [PATCHv2 2/9] ARM: dts: am43x-epos-evm: Add pwm backlight support. Date: Thu, 19 Dec 2013 18:03:34 +0530 Message-ID: <1387456421-21379-3-git-send-email-sourav.poddar@ti.com> References: <1387456421-21379-1-git-send-email-sourav.poddar@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1387456421-21379-1-git-send-email-sourav.poddar@ti.com> Sender: linux-omap-owner@vger.kernel.org To: bcousson@baylibre.com Cc: balbi@ti.com, devicetree@vger.kernel.org, tony@atomide.com, linux-omap@vger.kernel.org, mark.rutland@arm.com, afzal@ti.com, lokeshvutla@ti.com, Sourav Poddar List-Id: devicetree@vger.kernel.org Add pwm backlight support for am43x epos evm. Signed-off-by: Sourav Poddar --- arch/arm/boot/dts/am43x-epos-evm.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index fbf9c4c..0899c5f 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -13,6 +13,7 @@ #include "am4372.dtsi" #include #include +#include / { 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>; +}; -- 1.7.9.5