From patchwork Wed Sep 12 18:32:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 10598171 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 AD2E214E5 for ; Wed, 12 Sep 2018 18:39:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E9C72A36B for ; Wed, 12 Sep 2018 18:39:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 91DA92AA50; Wed, 12 Sep 2018 18:39:33 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE 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 10FA42A36B for ; Wed, 12 Sep 2018 18:39:33 +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: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=fwmPWBSpFNE1gtM+HAhwSb1fxoQYi9dA/aXmuUKn6TY=; b=N9emUc+s8dXHUM vXqb7v1c2NBsU6PydPR+djt3WEygxiq6QRoxhTSZiIRa3WzHY5+jARlb8jYs62qoNsd0ETLrQ3H7e lz42pcbp16Y7QCDjSNAgqJLD8MolCadgshjAY+exGBsZ5dAgRhfLwJv+5vkhfqlVK5YdmouRdIloI 4ruLERzgtLVlwDkEx1whs8/FoYO6eZxWebmKZYFW3Jed52h1aABmP3NklOD2ZnR01g5ZN7lPHjKPc 4OUKHHtRzhc7M45MmKuf2Tvy5CCKkfPpfLmyN5mdC4YlPSkLZAyH1hHGFSPAsOtpxd2htEQ13ZfVF 8e4yWMLNtLfYuIWE8t4Q==; 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 1g0A2n-0005Zt-5p; Wed, 12 Sep 2018 18:39:17 +0000 Received: from mail.kmu-office.ch ([2a02:418:6a02::a2]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g09ww-0001fm-43 for linux-arm-kernel@lists.infradead.org; Wed, 12 Sep 2018 18:33:17 +0000 Received: from trochilidae.toradex.int (75-146-58-181-Washington.hfc.comcastbusiness.net [75.146.58.181]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 6CCAB5C1D14; Wed, 12 Sep 2018 20:33:00 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1536777184; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SaBv4jnDyG/evfBSq/n0ZMjQhW/OTdgMnwvW64EeIo4=; b=WmaXGohqeFbGOshFzIwdR7M58nw9BmFIQfdpYaC96F6GdrYghv4gbS/FL49CuQKjbEF69D s3cY7lBr/UaICmQ7HDGrMvgh6cZMSxhHB333Irmf2nvannNVG1K5V4spZTA/EW39dPTa8L YVsWny3JonZZzjp3jL1mVr2L0IjmDbE= From: Stefan Agner To: linus.walleij@linaro.org, Laurent.pinchart@ideasonboard.com, airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, p.zabel@pengutronix.de Subject: [PATCH v2 7/8] ARM: dts: imx6qdl-apalis: add VGA support Date: Wed, 12 Sep 2018 11:32:21 -0700 Message-Id: <20180912183222.25414-8-stefan@agner.ch> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180912183222.25414-1-stefan@agner.ch> References: <20180912183222.25414-1-stefan@agner.ch> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180912_113314_496613_B965D6D2 X-CRM114-Status: GOOD ( 14.90 ) 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, architt@codeaurora.org, max.krummenacher@toradex.com, marcel.ziswiler@toradex.com, gustavo@padovan.org, maarten.lankhorst@linux.intel.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, a.hajda@samsung.com, linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, sean@poorly.run, Stefan Agner , 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 X-Virus-Scanned: ClamAV using ClamSMTP The Apalis iMX6 modules use a simple DAC using resistor ladders to convert parallel RGB to VGA. Add support for this output using the dumb VGA driver. Signed-off-by: Stefan Agner --- arch/arm/boot/dts/imx6q-apalis-eval.dts | 28 +++++++++++++ arch/arm/boot/dts/imx6qdl-apalis.dtsi | 52 +++++++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts index 707ac9a46115..ae07b3a105ef 100644 --- a/arch/arm/boot/dts/imx6q-apalis-eval.dts +++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts @@ -140,6 +140,16 @@ regulator-max-microvolt = <3300000>; regulator-always-on; }; + + vga { + compatible = "vga-connector"; + + port { + vga_con_in: endpoint { + remote-endpoint = <&vga_bridge_out>; + }; + }; + }; }; &backlight { @@ -281,6 +291,24 @@ status = "okay"; }; +&vgabridge { + status = "okay"; + + ports { + port@1 { + reg = <1>; + + vga_bridge_out: endpoint { + remote-endpoint = <&vga_con_in>; + }; + }; + }; +}; + +&vgadisplay { + status = "okay"; +}; + &iomuxc { /* * Mux the Apalis GPIOs diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi index 05f07ea3e8c8..e8d0407e3e18 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -138,6 +138,54 @@ spdif-out; status = "disabled"; }; + + vgabridge: bridge { + compatible = "dumb-vga-dac"; + #address-cells = <1>; + #size-cells = <0>; + de-active = <0>; + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + vga_bridge_in: endpoint { + remote-endpoint = <&vga_display_out>; + }; + }; + }; + }; + + vgadisplay: display@di0 { + compatible = "fsl,imx-parallel-display"; + #address-cells = <1>; + #size-cells = <0>; + interface-pix-fmt = "rgb565"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ipu2_vdac>; + status = "disabled"; + + port@0 { + reg = <0>; + + vga_display_in: endpoint { + remote-endpoint = <&ipu2_di0_disp0>; + }; + }; + + port@1 { + reg = <1>; + + vga_display_out: endpoint { + remote-endpoint = <&vga_bridge_in>; + }; + }; + }; + }; &audmux { @@ -373,6 +421,10 @@ status = "disabled"; }; +&ipu2_di0_disp0 { + remote-endpoint = <&vga_display_in>; +}; + &pwm1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm1>;