From patchwork Mon Feb 15 11:10:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 8313041 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A297DC02AE for ; Mon, 15 Feb 2016 11:13:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B74282034A for ; Mon, 15 Feb 2016 11:13:07 +0000 (UTC) Received: from bombadil.infradead.org (unknown [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 CEC7E20340 for ; Mon, 15 Feb 2016 11:13:06 +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 1aVH5H-0001WP-4W; Mon, 15 Feb 2016 11:12:51 +0000 Received: from lucky1.263xmail.com ([211.157.147.131]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aVH3m-0000Ai-Sn; Mon, 15 Feb 2016 11:11:21 +0000 Received: from ykk?rock-chips.com (unknown [192.168.167.12]) by lucky1.263xmail.com (Postfix) with SMTP id 96525896E1; Mon, 15 Feb 2016 19:10:55 +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 3598A3F1; Mon, 15 Feb 2016 19:10:51 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: inki.dae@samsung.com X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <321ec3bb0cd0c5c15b63267d82ccec57> X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 12100S0SHDE; Mon, 15 Feb 2016 19:10:54 +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 , Heiko Stuebner , Mark Yao Subject: [PATCH v14 10/17] dt-bindings: add document for rockchip variant of analogix_dp Date: Mon, 15 Feb 2016 19:10:48 +0800 Message-Id: <1455534648-1921-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1455534485-1154-1-git-send-email-ykk@rock-chips.com> References: <1455534485-1154-1-git-send-email-ykk@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160215_031119_468307_BA9211BB X-CRM114-Status: GOOD ( 12.09 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Russell King , Pawel Moll , Ian Campbell , linux-rockchip@lists.infradead.org, Yakir Yang , emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, djkurtz@chromium.org, Kishon Vijay Abraham I , javier@osg.samsung.com, Kukjin Kim , Sean Paul , dri-devel@lists.freedesktop.org, Kumar Gala , ajaynumb@gmail.com, robherring2@gmail.com, Andy Yan , Gustavo Padovan , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RDNS_NONE,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 Acked-by: Rob Herring Reviewed-by: Heiko Stuebner --- Changes in v14: None Changes in v13: None Changes in v12: None Changes in v11: None Changes in v10: - Add the ack from Rob Herring Changes in v9: - Document more details for 'ports' property. Changes in v8: - Modify the commit subject name. (Heiko) Changes in v7: None 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 .../display/rockchip/analogix_dp-rockchip.txt | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt new file mode 100644 index 0000000..04d99e3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt @@ -0,0 +1,91 @@ +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: there are 2 port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0: contained 2 endpoints, connecting to the output of vop. + Port 1: contained 1 endpoint, connecting to the input of panel. + +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>; + }; + }; + };