From patchwork Fri Sep 26 07:58:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yao mark X-Patchwork-Id: 4979141 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8F4CB9F3DF for ; Fri, 26 Sep 2014 08:00:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B37DF2022D for ; Fri, 26 Sep 2014 08:00:14 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 91597202E5 for ; Fri, 26 Sep 2014 08:00:13 +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 1XXQRp-0006ub-BJ; Fri, 26 Sep 2014 08:00:13 +0000 Received: from regular1.263xmail.com ([211.150.99.134]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XXQRn-0005mO-8H for linux-rockchip@lists.infradead.org; Fri, 26 Sep 2014 08:00:12 +0000 Received: from mark.yao?rock-chips.com (unknown [192.168.167.228]) by regular1.263xmail.com (Postfix) with SMTP id 13FC2516C; Fri, 26 Sep 2014 15:59:47 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 1BF9748A; Fri, 26 Sep 2014 15:59:41 +0800 (CST) X-RL-SENDER: mark.yao@rock-chips.com X-FST-TO: heiko@sntech.de X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: <788226d00f420f84442df7921316ec74> X-ATTACHMENT-NUM: 0 X-SENDER: yzq@rock-chips.com X-DNS-TYPE: 1 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) whith ESMTP id 6805RFEO79; Fri, 26 Sep 2014 15:59:40 +0800 (CST) From: Mark yao To: heiko@sntech.de, Boris BREZILLON , David Airlie , Rob Clark , Daniel Vetter , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Randy Dunlap , Grant Likely , Greg Kroah-Hartman , John Stultz , Rom Lemarchand Subject: [PATCH v7 3/3] dt-bindings: video: Add documentation for rockchip vop Date: Fri, 26 Sep 2014 15:58:38 +0800 Message-Id: <1411718318-15218-1-git-send-email-mark.yao@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1411718091-15056-1-git-send-email-mark.yao@rock-chips.com> References: <1411718091-15056-1-git-send-email-mark.yao@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140926_010012_296898_F7A745A2 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: linux-doc@vger.kernel.org, kever.yang@rock-chips.com, dri-devel@lists.freedesktop.org, dianders@chromium.org, xjq@rock-chips.com, zyw@rock-chips.com, cym@rock-chips.com, linux-rockchip@lists.infradead.org, kfx@rock-chips.com, Mark yao , wxt@rock-chips.com, huangtao@rock-chips.com, devicetree@vger.kernel.org, dbehr@chromium.org, yxj@rock-chips.com, olof@lixom.net, djkurtz@chromium.org, marcheu@chromium.org, xxm@rock-chips.com, xw@rock-chips.com, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, cf@rock-chips.com X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 This adds binding documentation for Rockchip SoC VOP driver. Signed-off-by: Mark Yao Acked-by: Daniel Vetter Reviewed-by: Rob Clark --- Changes in v2: - rename "lcdc" to "vop" - add vop reset - add iommu node - add port for display-subsystem Changes in v3: None Changes in v4: None Changes in v5: None Changes in v6: None Changes in v7: None .../devicetree/bindings/video/rockchip-vop.txt | 58 ++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/video/rockchip-vop.txt diff --git a/Documentation/devicetree/bindings/video/rockchip-vop.txt b/Documentation/devicetree/bindings/video/rockchip-vop.txt new file mode 100644 index 0000000..d15351f --- /dev/null +++ b/Documentation/devicetree/bindings/video/rockchip-vop.txt @@ -0,0 +1,58 @@ +device-tree bindings for rockchip soc display controller (vop) + +VOP (Visual Output Processor) is the Display Controller for the Rockchip +series of SoCs which transfers the image data from a video memory +buffer to an external LCD interface. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3288-vop"; + +- interrupts: should contain a list of all VOP IP block interrupts in the + order: VSYNC, LCD_SYSTEM. The interrupt specifier + format depends on the interrupt controller used. + +- clocks: must include clock specifiers corresponding to entries in the + clock-names property. + +- clock-names: Must contain + aclk_vop: for ddr buffer transfer. + hclk_vop: for ahb bus to R/W the phy regs. + dclk_vop: pixel clock. + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - axi + - ahb + - dclk + +- iommus: required a iommu node + +- port: A port node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: +SoC specific DT entry: + vopb: vopb@ff930000 { + compatible = "rockchip,rk3288-vop"; + reg = <0xff930000 0x19c>; + interrupts = ; + clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>; + clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; + resets = <&cru SRST_LCDC1_AXI>, <&cru SRST_LCDC1_AHB>, <&cru SRST_LCDC1_DCLK>; + reset-names = "axi", "ahb", "dclk"; + iommus = <&vopb_mmu>; + vopb_out: port { + #address-cells = <1>; + #size-cells = <0>; + vopb_out_edp: endpoint@0 { + reg = <0>; + remote-endpoint=<&edp_in_vopb>; + }; + vopb_out_hdmi: endpoint@1 { + reg = <1>; + remote-endpoint=<&hdmi_in_vopb>; + }; + }; + };