From patchwork Sat Nov 19 03:28:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9437817 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 83BFA60756 for ; Sat, 19 Nov 2016 03:28:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 75BC320453 for ; Sat, 19 Nov 2016 03:28:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6ADDC2977E; Sat, 19 Nov 2016 03:28:16 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI 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 A16C620453 for ; Sat, 19 Nov 2016 03:28:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752754AbcKSD2N (ORCPT ); Fri, 18 Nov 2016 22:28:13 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:55159 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752774AbcKSD2M (ORCPT ); Fri, 18 Nov 2016 22:28:12 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 615C62112E; Sat, 19 Nov 2016 04:28:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1479526087; bh=K3ArdQYWspTJQlPDDBXyEHmIqj4KufEU1ZUa5KwnTDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hTO95wEj2dfae70Wx6EQG6dx0GBHoHL/+kY3zgN9xDFTlxJIV4O4e7nVGBPyC8eiI +64Tb4usFPBQaxdtiNS4WOlgTV/Wo447YnN49FTB+Iu+M9i1whbU1ET4JxC8pLh7aa fybyBBIv1zMaC/xMQ12DVomjjx9nJeSrPjEDOMyI= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org, Tomi Valkeinen Subject: [PATCH v2 09/13] arm64: dts: r8a7795: salvator-x: Add panel backlight support Date: Sat, 19 Nov 2016 05:28:09 +0200 Message-Id: <1479526093-7014-10-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1479526093-7014-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1479526093-7014-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> 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 The panel backlight is controlled through a GPIO and a PWM channel. Signed-off-by: Laurent Pinchart Reviewed-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts index 2c30813d0f86..a905318a347c 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts +++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts @@ -178,6 +178,16 @@ }; }; }; + + 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>; + }; }; &du { @@ -238,6 +248,11 @@ function = "du"; }; + pwm1_pins: pwm { + groups = "pwm1_a"; + function = "pwm1"; + }; + sdhi0_pins: sd0 { groups = "sdhi0_data4", "sdhi0_ctrl"; function = "sdhi0"; @@ -275,6 +290,13 @@ }; }; +&pwm1 { + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + &scif1 { pinctrl-0 = <&scif1_pins>; pinctrl-names = "default";