From patchwork Sat Feb 6 03:24:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xinliang Liu X-Patchwork-Id: 8241131 Return-Path: X-Original-To: patchwork-linux-arm@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 30270BEEE5 for ; Sat, 6 Feb 2016 03:29:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1F88A20279 for ; Sat, 6 Feb 2016 03:29:40 +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 0AA63201C7 for ; Sat, 6 Feb 2016 03:29:39 +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 1aRtVY-0001PK-Ah; Sat, 06 Feb 2016 03:26:00 +0000 Received: from mail-pf0-x229.google.com ([2607:f8b0:400e:c00::229]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aRtVT-0001Bt-CW for linux-arm-kernel@lists.infradead.org; Sat, 06 Feb 2016 03:25:57 +0000 Received: by mail-pf0-x229.google.com with SMTP id n128so78262253pfn.3 for ; Fri, 05 Feb 2016 19:25:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0R2XymBUoyJrORAWAbUD0iPT85GTCD2QIZwc7cJvUR4=; b=ienKNVTP5wytH7PG2uSZ2G91/VI6NEa6L3CDAeYuJYebhtOp8tNB9ruEivVO4TXrj0 JLwtqj0e7TmZRQXNCruhvZeSlXnsRjz3m7+J50+Dtoi0eEptkIBZ9yqDpVU/PEmn5uUt NUWH/+mee3v/KATFzNxlyzd20xhI7hOWxx/l0= 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=0R2XymBUoyJrORAWAbUD0iPT85GTCD2QIZwc7cJvUR4=; b=DuZeq08eGTCtg3qsof3uAKI1lN1cjgdU4t2cTqsZH5ZB6dQllCW/nlWDpwhF0flw6w RCJTs9RV6DBg7jvqAippZEJQ6Zhmu/zLvXDoamEFKHSAHJvCZKzHri/m02tSwlCq54Cq Tk+t2uv+8Cz4FRw+JXe3g8C9rGEihjPMI3pjyK9C7Pn4zekuCmMbv5UMfmc4gzuS6Zoh 7TtR7n9UOPfxtlDVlQhojDlMaSaeFHsWG/Ci+0uy2yKNuOlZNDXE1obJmZZ3cZm6iYBB WHXzpFUFNSbQK0yyzfj+CRsyx+b/RJj0tIEWUZ2ejeiZplN8g+klCIkVbwD4kcqHAeCT JCuA== X-Gm-Message-State: AG10YOTXblvF6hIFidgu8mHsYPz5fPV9wYKnwhuUo45377YDuCWnuxbPovbPzyGxDd0dp1wc X-Received: by 10.98.18.8 with SMTP id a8mr24811723pfj.41.1454729133363; Fri, 05 Feb 2016 19:25:33 -0800 (PST) Received: from localhost.localdomain ([219.134.80.72]) by smtp.gmail.com with ESMTPSA id a21sm27472023pfj.40.2016.02.05.19.25.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 05 Feb 2016 19:25:32 -0800 (PST) From: Xinliang Liu To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, daniel@ffwll.ch, robh@kernel.org, daniel@fooishbar.org, architt@codeaurora.org, airlied@linux.ie, corbet@lwn.net, catalin.marinas@arm.com, will.deacon@arm.com, emil.l.velikov@gmail.com Subject: [PATCH v4 01/11] drm/hisilicon: Add device tree binding for hi6220 display subsystem Date: Sat, 6 Feb 2016 11:24:48 +0800 Message-Id: <1454729098-79807-2-git-send-email-xinliang.liu@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1454729098-79807-1-git-send-email-xinliang.liu@linaro.org> References: <1454729098-79807-1-git-send-email-xinliang.liu@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160205_192555_675150_6B07B833 X-CRM114-Status: GOOD ( 13.97 ) X-Spam-Score: -2.0 (--) 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: andy.green@linaro.org, xuyiping@hisilicon.com, guodong.xu@linaro.org, linux-doc@vger.kernel.org, Xinliang Liu , w.f@huawei.com, zourongrong@huawei.com, linuxarm@huawei.com, xuwei5@hisilicon.com, kong.kongxinwei@hisilicon.com, bintian.wang@huawei.com, haojian.zhuang@linaro.org, benjamin.gaignard@linaro.org, puck.chen@hisilicon.com, lijianhua@huawei.com, liguozhu@hisilicon.com, sumit.semwal@linaro.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 Add ADE display controller binding doc. Add DesignWare DSI Host Controller v1.20a binding doc. v4: - Describe more specific of clocks and ports. - Fix indentation. v3: - Make ade as the drm master node. - Use assigned-clocks to set clock rate. - Use ports to connect display relavant nodes. v2: - Move dt binding docs to bindings/display/hisilicon directory. Signed-off-by: Xinwei Kong Signed-off-by: Xinliang Liu Acked-by: Rob Herring --- .../bindings/display/hisilicon/dw-dsi.txt | 77 ++++++++++++++++++++++ .../bindings/display/hisilicon/hisi-ade.txt | 69 +++++++++++++++++++ 2 files changed, 146 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt create mode 100644 Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt diff --git a/Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt b/Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt new file mode 100644 index 000000000000..af6d702f3282 --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt @@ -0,0 +1,77 @@ +Device-Tree bindings for DesignWare DSI Host Controller v1.20a driver + +A DSI Host Controller resides in the middle of display controller and external +HDMI converter. + +Required properties: +- compatible: value should be "hisilicon,hi6220-dsi". +- reg: physical base address and length of dsi controller's registers. +- clocks: the clocks needed. +- clock-names: the name of the clocks. +- ports: contains DSI controller input and output sub port. + The input port connects to ADE output port with the reg value "0". + The output port with the reg value "1", it could connect to panel or + any other bridge endpoints. And the reg value for bridge endpoint is "0", + other values for panel endpoint. + See Documentation/devicetree/bindings/graph.txt for more device graph info. + +A example of HiKey board hi6220 SoC and board specific DT entry: +Example: + +SoC specific: + dsi: dsi@f4107800 { + compatible = "hisilicon,hi6220-dsi"; + reg = <0x0 0xf4107800 0x0 0x100>; + clocks = <&media_ctrl HI6220_DSI_PCLK>; + clock-names = "pclk_dsi"; + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* 0 for input port */ + port@0 { + reg = <0>; + dsi_in: endpoint { + remote-endpoint = <&ade_out>; + }; + }; + }; + }; + + +Board specific: + &dsi { + status = "ok"; + + ports { + /* 1 for output port */ + port@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + /* 0 for bridge, other value for panel */ + dsi_out0: endpoint@0 { + reg = <0>; + remote-endpoint = <&adv7533_in>; + }; + }; + }; + }; + + &i2c2 { + ... + + adv7533: adv7533@39 { + ... + + port { + adv7533_in: endpoint { + remote-endpoint = <&dsi_out0>; + }; + }; + }; + }; + diff --git a/Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt b/Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt new file mode 100644 index 000000000000..1eff5a41b98d --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt @@ -0,0 +1,69 @@ +Device-Tree bindings for hisilicon ADE display controller driver + +ADE (Advanced Display Engine) is the display controller which grab image +data from memory, do composition, do post image processing, generate RGB +timing stream and transfer to DSI. + +Required properties: +- compatible: value should be "hisilicon,hi6220-ade". +- reg: physical base address and length of the controller's registers. + Three reg ranges are used in ADE driver: + ADE reg range, value should be "<0x0 0xf4100000 0x0 0x7800>"; + media subsystem reg range, value should be "<0x0 0xf4410000 0x0 0x1000>"; + media subsystem NOC QoS reg range, value should be "<0x0 0xf4520000 0x0 + 0x1000>". +- reg-names: name of physical base.Valuse should be "ade_base", "media_base" + and "media_noc_base". +- interrupt: the ldi vblank interrupt number used. +- clocks: the clocks needed. Three clocks are used in ADE driver: + ADE core clock, value should be "<&media_ctrl HI6220_ADE_CORE>"; + ADE pixel clok, value should be "<&media_ctrl HI6220_ADE_PIX_SRC>"; + media NOC QoS clock, value should be "<&media_ctrl HI6220_CODEC_JPEG>". +- clock-names: the name of the clocks. Values should be "clk_ade_core", + "clk_codec_jpeg" and "clk_ade_pix". +- assigned-clocks: clocks to be assigned rate. +- assigned-clock-rates: clock rates which are assigned to assigned-clocks. + The rate of <&media_ctrl HI6220_ADE_CORE> could be "360000000" or + "180000000"; + The rate of <&media_ctrl HI6220_CODEC_JPEG> could be less than "1440000000". +- port: the output port. This contains one endpoint subnode, with its + remote-endpoint set to the phandle of the connected DSI input endpoint. + See Documentation/devicetree/bindings/graph.txt for more device graph info. + +Optional properties: +- dma-coherent: Present if dma operations are coherent. + + +A example of HiKey board hi6220 SoC specific DT entry: +Example: + + ade: ade@f4100000 { + compatible = "hisilicon,hi6220-ade"; + reg = <0x0 0xf4100000 0x0 0x7800>, + <0x0 0xf4410000 0x0 0x1000>, + <0x0 0xf4520000 0x0 0x1000>; + reg-names = "ade_base", + "media_base", + "media_noc_base"; + + interrupts = <0 115 4>; /* ldi interrupt */ + + clocks = <&media_ctrl HI6220_ADE_CORE>, + <&media_ctrl HI6220_CODEC_JPEG>, + <&media_ctrl HI6220_ADE_PIX_SRC>; + /*clock name*/ + clock-names = "clk_ade_core", + "clk_codec_jpeg", + "clk_ade_pix"; + + assigned-clocks = <&media_ctrl HI6220_ADE_CORE>, + <&media_ctrl HI6220_CODEC_JPEG>; + assigned-clock-rates = <360000000>, <288000000>; + dma-coherent; + + port { + ade_out: endpoint { + remote-endpoint = <&dsi_in>; + }; + }; + };