From patchwork Tue Jun 28 12:24:40 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 9203071 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 72B0C6074E for ; Tue, 28 Jun 2016 12:27:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 62C30285CA for ; Tue, 28 Jun 2016 12:27:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 571ED285FF; Tue, 28 Jun 2016 12:27:05 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id 0FA68285CA for ; Tue, 28 Jun 2016 12:27:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bHs5L-0005bS-Dc; Tue, 28 Jun 2016 12:25:47 +0000 Received: from mail-pa0-f65.google.com ([209.85.220.65]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bHs54-0005MF-6k; Tue, 28 Jun 2016 12:25:31 +0000 Received: by mail-pa0-f65.google.com with SMTP id ts6so1649043pac.0; Tue, 28 Jun 2016 05:25:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=r07yupTDHoK9FFIqGNd2HG0gNm7y+p0/BHEWVmIHK7M=; b=J8l0beuVULrqUQ0jleQQE5iXyuenRgCJmjV9L4uUid1NCnlEh462kQxdytCpfao9aH IfhTmHrlSjlg4mKIrKDtNtqzAg7z7ahFK7tF8TvbsEUvv538QtQ9QVGSvKFqeWTNY8g/ ph/VXXXSck6O5f60cO8pYHimAMrZ9/kOJ5NjYa9p5zDZ+xfIr4z76ESM7yeDN/QduAfh duzDAbelS1N5knMSRUyvXB+T3LpSBAbz7Yo0xyjTlVlEvpm0upzRzlllbAjuhtydjoI4 ktQtJU9naSvx4TXCfFQs7kIiuNWxSfpMRgqCVxiDYLPSIrowZ/jyavdWgf4jZKpTkNb7 +wwA== X-Gm-Message-State: ALyK8tKcuCjv5mXVgwKcdP1CyVvux3ptDzH53kmnIWJfmeZI9avRxpEdVFoyJ0owSprSSQ== X-Received: by 10.66.193.231 with SMTP id hr7mr1437928pac.28.1467116709233; Tue, 28 Jun 2016 05:25:09 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id uj5sm7298683pac.28.2016.06.28.05.25.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 28 Jun 2016 05:25:08 -0700 (PDT) From: Chris Zhong To: dianders@chromium.org, tfiga@chromium.org, heiko@sntech.de, yzq@rock-chips.com, groeck@chromium.org, myungjoo.ham@samsung.com, cw00.choi@samsung.com, wulf@rock-chips.com Subject: [v4 PATCH 4/5] Documentation: bindings: add dt documentation for cdn DP controller Date: Tue, 28 Jun 2016 20:24:40 +0800 Message-Id: <1467116681-9330-5-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1467116681-9330-1-git-send-email-zyw@rock-chips.com> References: <1467116681-9330-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160628_052530_405295_71A88002 X-CRM114-Status: GOOD ( 13.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , Chris Zhong , linux-arm-kernel@lists.infradead.org, Mark Yao MIME-Version: 1.0 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 This patch adds a binding that describes the cdn DP controller for rk3399. Signed-off-by: Chris Zhong Acked-by: Rob Herring --- Changes in v4: - add a reset node - support 2 phys Changes in v3: - add SoC specific compatible string - remove reg = <1>; Changes in v2: None Changes in v1: - add extcon node description - add #sound-dai-cells description .../bindings/display/rockchip/cdn-dp-rockchip.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt diff --git a/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt new file mode 100644 index 0000000..bf0b2ce --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt @@ -0,0 +1,67 @@ +Rockchip RK3399 specific extensions to the cdn Display Port +================================ + +Required properties: +- compatible: must be "rockchip,rk3399-cdn-dp" + +- reg: physical base address of the controller and length + +- clocks: from common clock binding: handle to dp clock. + +- clock-names: from common clock binding: + Required elements: "core-clk" "pclk" "spdif" + +- resets : a list of phandle + reset specifier pairs +- reset-names : string reset name, must be: + "spdif" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. + +- ports: contain a port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + contained 2 endpoints, connecting to the output of vop. + +- phys: from general PHY binding: the phandle for the PHY device. + +- extcon: extcon specifier for the Power Delivery + +- #sound-dai-cells = it must be 1 if your system is using 2 DAIs: I2S, SPDIF + +------------------------------------------------------------------------------- + +Example: + cdn_dp: dp@fec00000 { + compatible = "rockchip,rk3399-cdn-dp"; + reg = <0x0 0xfec00000 0x0 0x100000>; + interrupts = ; + clocks = <&cru SCLK_DP_CORE>, <&cru PCLK_DP_CTRL>, + <&cru SCLK_SPDIF_REC_DPTX>; + clock-names = "core-clk", "pclk", "spdif"; + phys = <&tcphy0>, <&tcphy1>; + resets = <&cru SRST_DPTX_SPDIF_REC>; + reset-names = "spdif"; + extcon = <&fusb0>, <&fusb1>; + rockchip,grf = <&grf>; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + dp_in: port { + #address-cells = <1>; + #size-cells = <0>; + dp_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_dp>; + }; + + dp_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_dp>; + }; + }; + }; + };