From patchwork Mon May 22 13:59:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 9740427 X-Patchwork-Delegate: horms@verge.net.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B85AC601C2 for ; Mon, 22 May 2017 14:00:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A85AB28650 for ; Mon, 22 May 2017 14:00:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9D15628697; Mon, 22 May 2017 14:00:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3863928650 for ; Mon, 22 May 2017 14:00:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933902AbdEVOAA (ORCPT ); Mon, 22 May 2017 10:00:00 -0400 Received: from kirsty.vergenet.net ([202.4.237.240]:47786 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933876AbdEVN7p (ORCPT ); Mon, 22 May 2017 09:59:45 -0400 Received: from reginn.horms.nl (52D9BC73.cm-11-1c.dynamic.ziggo.nl [82.217.188.115]) by kirsty.vergenet.net (Postfix) with ESMTPA id 1967225BEEC; Mon, 22 May 2017 23:59:15 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1495461555; bh=aERbJXNwVmbBg/LcW0WpZTY7YM37ScMzMwn88CeND4E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ULV2OtI0HzxmMOxldi4xFCgQ9XWo3ct1CectLVztunQGvz/f/ZzirvdagekK72FAd zRQBKjjrYeKb/ilHoavzfJirYfxHwYLwLtvFpfjS/3UYTPPw3iU8Tt2M791KEPWJt3 z2U/o9ELdxWr9HyvZUB2TJ5/4ZFyu9dKbXa9Mrqg= Received: by reginn.horms.nl (Postfix, from userid 7100) id 010F99410D5; Mon, 22 May 2017 15:59:10 +0200 (CEST) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm , Laurent Pinchart , Simon Horman Subject: [PATCH 27/35] arm64: dts: salvator-x: Add panel backlight support Date: Mon, 22 May 2017 15:59:00 +0200 Message-Id: X-Mailer: git-send-email 2.1.4 In-Reply-To: References: Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Laurent Pinchart The panel backlight is controlled through a GPIO and a PWM channel. Signed-off-by: Laurent Pinchart [simon: apply to salvator-x.dtsi instead of r8a7795-salvator-x.dts] Signed-off-by: Simon Horman --- arch/arm64/boot/dts/renesas/salvator-x.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/salvator-x.dtsi b/arch/arm64/boot/dts/renesas/salvator-x.dtsi index d5eb022d247c..7240bcd75918 100644 --- a/arch/arm64/boot/dts/renesas/salvator-x.dtsi +++ b/arch/arm64/boot/dts/renesas/salvator-x.dtsi @@ -58,6 +58,16 @@ clock-frequency = <11289600>; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm1 0 50000>; + + brightness-levels = <256 128 64 16 8 4 0>; + default-brightness-level = <6>; + + enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>; + }; + reg_1p8v: regulator0 { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; @@ -358,6 +368,11 @@ function = "i2c2"; }; + pwm1_pins: pwm { + groups = "pwm1_a"; + function = "pwm1"; + }; + scif1_pins: scif1 { groups = "scif1_data_a", "scif1_ctrl"; function = "scif1"; @@ -443,6 +458,13 @@ }; }; +&pwm1 { + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + &rcar_sound { pinctrl-0 = <&sound_pins &sound_clk_pins>; pinctrl-names = "default";