Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753874Ab2KEJat (ORCPT ); Mon, 5 Nov 2012 04:30:49 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:59783 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753369Ab2KEJaq (ORCPT ); Mon, 5 Nov 2012 04:30:46 -0500 From: "Philip, Avinash" To: , , , , CC: , , , , , , , , , "Philip, Avinash" Subject: [PATCH 8/8] ARM: dts: AM33XX: Add PWM backlight DT data to am335x-evm Date: Mon, 5 Nov 2012 14:42:29 +0530 Message-ID: <1352106749-9437-9-git-send-email-avinashphilip@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1352106749-9437-1-git-send-email-avinashphilip@ti.com> References: <1352106749-9437-1-git-send-email-avinashphilip@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1707 Lines: 67 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 --- Second version - Combined with HWMOD changes & DT bindings. - No changes :100644 100644 185d632... 9857050... 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 185d632..9857050 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -18,6 +18,14 @@ 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"; @@ -31,6 +39,12 @@ reg = <0x2d>; }; }; + + ecap0: ecap@48300100 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&ecap0_pins>; + }; }; vbat: fixedregulator@0 { @@ -40,6 +54,13 @@ regulator-max-microvolt = <5000000>; 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/