From patchwork Thu Nov 8 07:53:17 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: avinash philip X-Patchwork-Id: 1714271 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 93EBDDF280 for ; Thu, 8 Nov 2012 07:59:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755132Ab2KHH7q (ORCPT ); Thu, 8 Nov 2012 02:59:46 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:53754 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755124Ab2KHH7n (ORCPT ); Thu, 8 Nov 2012 02:59:43 -0500 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id qA87xQii006679; Thu, 8 Nov 2012 01:59:27 -0600 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id qA87xP5B017991; Thu, 8 Nov 2012 13:29:26 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Thu, 8 Nov 2012 13:29:25 +0530 Received: from localhost.localdomain (dbdp20.itg.ti.com [172.24.170.38]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id qA87safh015193; Thu, 8 Nov 2012 13:29:25 +0530 From: "Philip, Avinash" To: , , , , CC: , , , , , , , , , , "Philip, Avinash" Subject: [PATCH v2 10/10] ARM: dts: AM33XX: Add PWM backlight DT data to am335x-evm Date: Thu, 8 Nov 2012 13:23:17 +0530 Message-ID: <1352361197-27442-11-git-send-email-avinashphilip@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1352361197-27442-1-git-send-email-avinashphilip@ti.com> References: <1352361197-27442-1-git-send-email-avinashphilip@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 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 --- :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"