From patchwork Sat Oct 10 15:53:43 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 7381101 Return-Path: X-Original-To: patchwork-dri-devel@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 A469D9F302 for ; Tue, 13 Oct 2015 02:21:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 406DD20987 for ; Tue, 13 Oct 2015 02:20:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 1BE5F2047C for ; Tue, 13 Oct 2015 02:20:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 544D57A084; Mon, 12 Oct 2015 19:19:58 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lucky1.263xmail.com (lucky1.263xmail.com [211.157.147.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id 41F736E103 for ; Sat, 10 Oct 2015 08:55:56 -0700 (PDT) Received: from ykk?rock-chips.com (unknown [192.168.167.229]) by lucky1.263xmail.com (Postfix) with SMTP id 0BFB11E7D31; Sat, 10 Oct 2015 23:55:51 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 3CC43429; Sat, 10 Oct 2015 23:55:46 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: inki.dae@samsung.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <013fe1a7eb923323e75535e4debf3697> X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 21284GBORBW; Sat, 10 Oct 2015 23:55:49 +0800 (CST) From: Yakir Yang To: Inki Dae , Andrzej Hajda , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Jingoo Han , Thierry Reding , Krzysztof Kozlowski , Rob Herring , joe@perches.com, Heiko Stuebner , Mark Yao Subject: [PATCH v6 09/17] Documentation: drm/bridge: add document for analogix_dp Date: Sat, 10 Oct 2015 23:53:43 +0800 Message-Id: <1444492423-27111-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444491357-26095-1-git-send-email-ykk@rock-chips.com> References: <1444491357-26095-1-git-send-email-ykk@rock-chips.com> X-Mailman-Approved-At: Mon, 12 Oct 2015 19:19:41 -0700 Cc: dianders@chromium.org, Gustavo Padovan , linux-samsung-soc@vger.kernel.org, Russell King , linux-rockchip@lists.infradead.org, Kishon Vijay Abraham I , javier@osg.samsung.com, Kukjin Kim , robherring2@gmail.com, devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, Kumar Gala , ajaynumb@gmail.com, Andy Yan X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 Rockchip DP driver is a helper driver of analogix_dp coder driver, so most of the DT property should be descriped in analogix_dp document. Signed-off-by: Yakir Yang --- Changes in v6: None Changes in v5: - Split binding doc's from driver changes. (Rob) - Add eDP hotplug pinctrl property. (Heiko) Changes in v4: None Changes in v3: None Changes in v2: None .../bindings/video/analogix_dp-rockchip.txt | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt diff --git a/Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt new file mode 100644 index 0000000..ec93917 --- /dev/null +++ b/Documentation/devicetree/bindings/video/analogix_dp-rockchip.txt @@ -0,0 +1,90 @@ +Rockchip RK3288 specific extensions to the Analogix Display Port +================================ + +Required properties: +- compatible: "rockchip,rk3288-edp"; + +- reg: physical base address of the controller and length + +- clocks: from common clock binding: handle to dp clock. + of memory mapped region. + +- clock-names: from common clock binding: + Required elements: "dp" "pclk" + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + +- pinctrl-names: Names corresponding to the chip hotplug pinctrl states. +- pinctrl-0: pin-control mode. should be <&edp_hpd> + +- reset-names: Must include the name "dp" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. + +- ports: contain a port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + + +For the below properties, please refer to Analogix DP binding document: + * Documentation/devicetree/bindings/drm/bridge/analogix_dp.txt +- phys (required) +- phy-names (required) +- hpd-gpios (optional) +------------------------------------------------------------------------------- + +Example: + dp-controller: dp@ff970000 { + compatible = "rockchip,rk3288-dp"; + reg = <0xff970000 0x4000>; + interrupts = ; + clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>; + clock-names = "dp", "pclk"; + phys = <&dp_phy>; + phy-names = "dp"; + + rockchip,grf = <&grf>; + resets = <&cru 111>; + reset-names = "dp"; + + pinctrl-names = "default"; + pinctrl-0 = <&edp_hpd>; + + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + edp_in: port@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + edp_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_edp>; + }; + edp_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_edp>; + }; + }; + + edp_out: port@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + edp_out_panel: endpoint { + reg = <0>; + remote-endpoint = <&panel_in_edp> + }; + }; + }; + }; + + pinctrl { + edp { + edp_hpd: edp-hpd { + rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_none>; + }; + }; + };