From patchwork Tue May 14 16:02:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Torsten Duwe X-Patchwork-Id: 10943371 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1770F912 for ; Tue, 14 May 2019 16:03:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 05E67287AD for ; Tue, 14 May 2019 16:03:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE131287BB; Tue, 14 May 2019 16:03:30 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 88293287AD for ; Tue, 14 May 2019 16:03:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Date:Message-Id: References:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:List-Owner; bh=MRXRmRXgfRgkt6boXJ9PoXudha3wNBCZDCgKYL1BAs8=; b=Cr zW0/BN1Wj2stKwBQ5WWNyu0eHGsB//QeyDtAsP9sTgywSbZvR7mOzSduDwMjrXPm+xA/UOz9bL+Tg BmYPO7wuQs57yW1FxYFZ8UCcGv3yCpcCUAHMR+uLMkUTTFRnZeeCzkEUaOHjo+jR6ulFJYk5gPXKr UPwFTmjR0zaWk7IquIEpru9yOmuXZRNFoX/zN3r5GutWIr81doTJQUPtpy121N8NHL7qOyotpXYnT azcNlFesbnm8oXtLkfkqK3H27k4YmTTyWmvNDfx/7kCpGQ6U4ExENaf64ZVKBQbtniRLWL4YxCL9e wgtbT3HpH5bJB2k5mvShLOsTxuultxIg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQZtg-0001Hd-E3; Tue, 14 May 2019 16:03:20 +0000 Received: from verein.lst.de ([213.95.11.211] helo=newverein.lst.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQZtO-0000t3-7D for linux-arm-kernel@lists.infradead.org; Tue, 14 May 2019 16:03:08 +0000 Received: by newverein.lst.de (Postfix, from userid 2005) id 9EAC768C7B; Tue, 14 May 2019 18:02:41 +0200 (CEST) From: Torsten Duwe To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Thierry Reding , Maxime Ripard , Chen-Yu Tsai , Archit Taneja , Andrzej Hajda , Laurent Pinchart , Icenowy Zheng , Sean Paul , Vasily Khoruzhick , Harald Geyer Subject: [PATCH 4/4] arm64: DTS: allwinner: a64: enable ANX6345 bridge on Teres-I References: <20190514155911.6C0AC68B05@newverein.lst.de> Message-Id: <20190514160241.9EAC768C7B@newverein.lst.de> Date: Tue, 14 May 2019 18:02:41 +0200 (CEST) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190514_090302_788893_16B89BA8 X-CRM114-Status: GOOD ( 13.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Icenowy Zheng TERES-I has an ANX6345 bridge connected to the RGB666 LCD output, and the I2C controlling signals are connected to I2C0 bus. Enable it in the device tree. Signed-off-by: Icenowy Zheng Signed-off-by: Torsten Duwe --- originally: patchwork.kernel.org/patch/10646867 Changed the reset polarity, which is active low, according to the (terse) datasheet, Teres-I and pinebook schematics, and the confusing parts of the linux driver code (not yet included here). Active low -> no more confusion. --- .../boot/dts/allwinner/sun50i-a64-teres-i.dts | 40 +++++++++++++++++-- 1 file changed, 36 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts index c455b24dd079..bc1d0d6c0672 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts @@ -72,20 +72,38 @@ }; }; +&de { + status = "okay"; +}; + &ehci1 { status = "okay"; }; -/* The ANX6345 eDP-bridge is on i2c0. There is no linux (mainline) - * driver for this chip at the moment, the bootloader initializes it. - * However it can be accessed with the i2c-dev driver from user space. - */ &i2c0 { clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins>; status = "okay"; + + anx6345: anx6345@38 { + compatible = "analogix,anx6345"; + reg = <0x38>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */ + dvdd25-supply = <®_dldo2>; + dvdd12-supply = <®_dldo3>; + + port { + anx6345_in: endpoint { + remote-endpoint = <&tcon0_out_anx6345>; + }; + }; + }; +}; + +&mixer0 { + status = "okay"; }; &mmc0 { @@ -258,6 +276,20 @@ vcc-hdmi-supply = <®_dldo1>; }; +&tcon0 { + pinctrl-names = "default"; + pinctrl-0 = <&lcd_rgb666_pins>; + + status = "okay"; +}; + +&tcon0_out { + tcon0_out_anx6345: endpoint@0 { + reg = <0>; + remote-endpoint = <&anx6345_in>; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pb_pins>;