From patchwork Tue Sep 22 07:48:17 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 7235991 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 617C3BEEC1 for ; Tue, 22 Sep 2015 07:49:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7487020704 for ; Tue, 22 Sep 2015 07:49:01 +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 872E520703 for ; Tue, 22 Sep 2015 07:49:00 +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 1ZeIJw-0005Qr-4y; Tue, 22 Sep 2015 07:49:00 +0000 Received: from lucky1.263xmail.com ([211.157.147.132]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZeIJk-0004yb-B8; Tue, 22 Sep 2015 07:48:49 +0000 Received: from ykk?rock-chips.com (unknown [192.168.167.110]) by lucky1.263xmail.com (Postfix) with SMTP id AD9B858E2F; Tue, 22 Sep 2015 15:48:24 +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 C8AB32D3B6; Tue, 22 Sep 2015 15:48:15 +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: <709c06ee1ae4a33f471f4f3d02e1eb35> 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 696VNBGSA; Tue, 22 Sep 2015 15:48:20 +0800 (CST) From: Yakir Yang To: Inki Dae , Andrzej Hajda , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Jingoo Han , Heiko Stuebner , Mark Yao , Thierry Reding , joe@perches.com, Krzysztof Kozlowski , Rob Herring Subject: [PATCH v5 09/17] Documentation: drm/bridge: add document for analogix_dp Date: Tue, 22 Sep 2015 15:48:17 +0800 Message-Id: <1442908097-6948-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1442906428-2609-1-git-send-email-ykk@rock-chips.com> References: <1442906428-2609-1-git-send-email-ykk@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150922_004848_819313_A7B2066A X-CRM114-Status: GOOD ( 11.99 ) 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: David Airlie , djkurtz@chromium.org, dianders@chromium.org, Yakir Yang , Gustavo Padovan , linux-samsung-soc@vger.kernel.org, Russell King , Kishon Vijay Abraham I , linux-rockchip@lists.infradead.org, Kukjin Kim , robherring2@gmail.com, devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , Sean Paul , 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 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=-4.2 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 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 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>; + }; + }; + };