From patchwork Wed Nov 11 12:53:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jitao Shi X-Patchwork-Id: 7595711 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E7C389F2E9 for ; Wed, 11 Nov 2015 12:54:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1ACF2205B1 for ; Wed, 11 Nov 2015 12:54:23 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 34B202058A for ; Wed, 11 Nov 2015 12:54:22 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZwUur-0000FZ-LW; Wed, 11 Nov 2015 12:54:21 +0000 Received: from [218.249.47.110] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZwUug-00006h-W3; Wed, 11 Nov 2015 12:54:11 +0000 X-Listener-Flag: 11101 Received: from mtkhts30.mediatek.inc [(172.27.4.250)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1993346714; Wed, 11 Nov 2015 20:59:31 +0800 Received: from localhost.localdomain (10.16.6.206) by MTKHTS30.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 14.3.181.6; Wed, 11 Nov 2015 20:53:39 +0800 From: Jitao Shi To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , David Airlie , Matthias Brugger Subject: [RFC v3 1/2] Documentation: bridge: Add documentation for ps8640 DT properties Date: Wed, 11 Nov 2015 20:53:13 +0800 Message-ID: <1447246394-18815-1-git-send-email-jitao.shi@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151111_045411_315197_C478B139 X-CRM114-Status: GOOD ( 12.39 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, Andy Yan , Ajay Kumar , Vincent Palatin , cawa.cheng@mediatek.com, bibby.hsieh@mediatek.com, ck.hu@mediatek.com, Russell King , Thierry Reding , devicetree@vger.kernel.org, Jitao Shi , Philipp Zabel , Inki Dae , linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com, eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org, Rahul Sharma , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, Sascha Hauer , Sean Paul Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add documentation for DT properties supported by ps8640 DSI-eDP converter. Signed-off-by: Jitao Shi Acked-by: Rob Herring Reviewed-by: Philipp Zabel --- changes since v2: tune properties in example match Required properties --- .../devicetree/bindings/display/bridge/ps8640.txt | 43 ++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/ps8640.txt diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.txt b/Documentation/devicetree/bindings/display/bridge/ps8640.txt new file mode 100644 index 0000000..a3e0971 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ps8640.txt @@ -0,0 +1,43 @@ +ps8640-bridge bindings + +Required properties: + - compatible: "parade,ps8640" + - reg: first page address of the bridge. + - sleep-gpios: OF device-tree gpio specification for PD_ pin. + - reset-gpios: OF device-tree gpio specification for reset pin. + - mode-sel-gpios: OF device-tree gpio specification for mode-sel pin. + - vdd12-supply: OF device-tree regulator specification for 1.2V power. + - vdd33-supply: OF device-tree regulator specification for 3.3V power. + - ports: The device node can contain video interface port nodes per + the video-interfaces bind[1]. For port@0,set the reg = <0> as + ps8640 dsi in and port@1,set the reg = <1> as ps8640 eDP out. + +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt + +Example: + edp-bridge@18 { + compatible = "parade,ps8640"; + reg = <0x18>; + sleep-gpios = <&pio 116 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pio 115 GPIO_ACTIVE_HIGH>; + mode-sel-gpios = <&pio 92 GPIO_ACTIVE_HIGH>; + vdd12-supply = <&ps8640_fixed_1v2>; + vdd33-supply = <&mt6397_vgp2_reg>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + ps8640_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + port@1 { + reg = <1>; + ps8640_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + };