From patchwork Tue Jul 12 15:09:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Zhong X-Patchwork-Id: 9225617 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 8CFD160868 for ; Tue, 12 Jul 2016 15:12:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 77CEC2793D for ; Tue, 12 Jul 2016 15:12:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6832D27E78; Tue, 12 Jul 2016 15:12:36 +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 DEE4E2793D for ; Tue, 12 Jul 2016 15:12:35 +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 1bMzL1-0004al-7c; Tue, 12 Jul 2016 15:11:07 +0000 Received: from mail-pf0-f195.google.com ([209.85.192.195]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bMzKX-0003j5-0O; Tue, 12 Jul 2016 15:10:38 +0000 Received: by mail-pf0-f195.google.com with SMTP id i6so918301pfe.0; Tue, 12 Jul 2016 08:10:16 -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=VWLun0p/J1ZdRzImFY7OJBPTIN2cIaN00VBWWMydlOQ=; b=QfHvdW0WUQgGxKI/A3eiZCRcceD9g4EjL7EppkAKB5XA6hi1WdX+OSItsE6pwg93ZW m0/I512+iLy0h4v4FLly4Tk1HshhAis96L32h+005RxgVWTEzvYsn+I9ZiyWCRgOXD4E FJQGBUUr/A9FW+8mCXzZEjUdpQVx2+TEZEXQl48s1kND5+U8tqCRbQ9N/h5q37qZqY+U PLD/4jJYqtoJ4sYZEEUrALrXE1qkiGsS2CYqt+uhP7wUpGdNqF4LeNfRs88hpLx5Qb7o ps2bMFm8lFamZYBZsv7nmRSgItBMFBWBpraXFpjbL3zi93yJxb+08yuUmnIf+pOBhx0n AnqA== X-Gm-Message-State: ALyK8tKJf5TpHn1Yfg4Ymg3L7c6uMl5OgBAyxRIY/srK1TsXbJ2SSb2g9kOE0/fHJeyBqw== X-Received: by 10.98.6.132 with SMTP id 126mr45461670pfg.109.1468336215894; Tue, 12 Jul 2016 08:10:15 -0700 (PDT) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id s12sm3702800pfj.57.2016.07.12.08.10.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 12 Jul 2016 08:10:14 -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, marcheu@chromium.org Subject: [v5 PATCH 4/5] Documentation: bindings: add dt documentation for cdn DP controller Date: Tue, 12 Jul 2016 23:09:47 +0800 Message-Id: <1468336188-565-5-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1468336188-565-1-git-send-email-zyw@rock-chips.com> References: <1468336188-565-1-git-send-email-zyw@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160712_081037_252521_C910700D X-CRM114-Status: GOOD ( 13.67 ) 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 v5: None 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>; + }; + }; + }; + };