From patchwork Thu Jul 2 08:14:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 11638087 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EE50113BD for ; Thu, 2 Jul 2020 08:16:31 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C376C20720 for ; Thu, 2 Jul 2020 08:16:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="btgOV6iO"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=megous.com header.i=@megous.com header.b="PIQjfStj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C376C20720 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=megous.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+HoY9P1CVHzonuWvNX1RW1LX6pfCigc0RT4HX+D/+u4=; b=btgOV6iOtmHNZKawhnGbB98PC xXuUH8ecvSp1Bz607qlbn2Yx1CRdfu0NfEzZayHuKY1JR0ZVeWw/P7uXxP/MH7ikhP2mH3B07vCTo +UQQUQVSKp9/3uzzIg1kmG7GNf8WgNy8wYlx59K0ex8WeyOlrbopA2B7TDm4eLxF/Zwh+8gLkhJY8 uqDsU8/S4qbd9AAbAWthI5JIHz8xbb+6bzcV8ORi1F9/BOKOjo24Vu8Ah3I9Fs4sHcrdYxmi7ufLD axtyY3kJzaOzovP7TEKjHF8VRt61q3fqmsewhhjQpHgmUi2guCf991rp6RIDqp4CMoqwVRyssJvCs VDMTBUSdg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jquMy-00052r-Fl; Thu, 02 Jul 2020 08:14:56 +0000 Received: from vps.xff.cz ([195.181.215.36]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jquMt-00051R-Gi for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2020 08:14:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1593677689; bh=tk8uBuson5lkX3tYR8sr4yIYj+Cn4xMjz/dtwtwOa/4=; h=From:To:Cc:Subject:Date:References:From; b=PIQjfStjDABIl3wXLAtUWLiFI6VG+AU/Idj0a39yOs/qFjIi5D/F83dqK+9VDdake +T0Kvhmsql0fn2NOpSJ0UlraOMLH6jO2U26Z+jImJn7j8nUnq8Kpv3Jo6y+rBhR/p+ +CwjDx7ZWQ5Q/NfhuBhxhauNwEzJT/Y8xbSDv5pU= From: Ondrej Jirman To: Rob Herring , Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng Subject: [PATCH v8 1/2] arm64: dts: sun50i-a64-pinephone: Enable LCD support on PinePhone Date: Thu, 2 Jul 2020 10:14:31 +0200 Message-Id: <20200702081432.1727696-2-megous@megous.com> In-Reply-To: <20200702081432.1727696-1-megous@megous.com> References: <20200702081432.1727696-1-megous@megous.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200702_041451_882864_46969836 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ondrej Jirman , devicetree@vger.kernel.org, Samuel Holland , Linus Walleij , Bhushan Shah , linux-kernel@vger.kernel.org, Luca Weiss , Martijn Braam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Icenowy Zheng PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for display. Backlight levels curve was optimized by Martijn Braam using a lux meter. Add its device nodes. Signed-off-by: Icenowy Zheng Signed-off-by: Martijn Braam Signed-off-by: Ondrej Jirman Acked-by: Linus Walleij --- .../allwinner/sun50i-a64-pinephone-1.1.dts | 19 +++++++++++ .../dts/allwinner/sun50i-a64-pinephone.dtsi | 33 +++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts index 06a775c41664..3e99a87e9ce5 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts @@ -9,3 +9,22 @@ / { model = "Pine64 PinePhone Braveheart (1.1)"; compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64"; }; + +&backlight { + power-supply = <®_ldo_io0>; + /* + * PWM backlight circuit on this PinePhone revision was changed since + * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight + * being off is around 20%. Duty cycle for the lowest brightness level + * also varries quite a bit between individual boards, so the lowest + * value here was chosen as a safe default. + */ + brightness-levels = < + 774 793 814 842 + 882 935 1003 1088 + 1192 1316 1462 1633 + 1830 2054 2309 2596 + 2916 3271 3664 4096>; + num-interpolated-steps = <50>; + default-brightness-level = <400>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index cefda145c3c9..a89425ad3727 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -16,6 +16,13 @@ aliases { serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>; + enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */ + /* Backlight configuration differs per PinePhone revision. */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -84,6 +91,28 @@ &dai { status = "okay"; }; +&de { + status = "okay"; +}; + +&dphy { + status = "okay"; +}; + +&dsi { + vcc-dsi-supply = <®_dldo1>; + status = "okay"; + + panel@0 { + compatible = "xingbangda,xbd599"; + reg = <0>; + reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */ + iovcc-supply = <®_dldo2>; + vcc-supply = <®_ldo_io0>; + backlight = <&backlight>; + }; +}; + &ehci0 { status = "okay"; }; @@ -188,6 +217,10 @@ &r_pio { */ }; +&r_pwm { + status = "okay"; +}; + &r_rsb { status = "okay";