From patchwork Tue Feb 23 03:00:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xinliang Liu X-Patchwork-Id: 8386451 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 295A59F1D4 for ; Tue, 23 Feb 2016 03:05:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2926220671 for ; Tue, 23 Feb 2016 03:05:30 +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 1805820670 for ; Tue, 23 Feb 2016 03:05:29 +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 1aY3GH-00012e-OG; Tue, 23 Feb 2016 03:03:41 +0000 Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aY3Fw-0000nd-Dv for linux-arm-kernel@lists.infradead.org; Tue, 23 Feb 2016 03:03:23 +0000 Received: by mail-pa0-x22e.google.com with SMTP id ho8so104550322pac.2 for ; Mon, 22 Feb 2016 19:03:00 -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=Lhevyg8DE9hWixXOX3JIKqoVDz4odIrj+r5X/3PaKi4=; b=TvfVAVvANjvhXy9CnhkTdC3NGprRy9DdMjVgR0c6zFBBbrppVOWpzgFTKNdWwNzEOe Ou161fMl5Q2D0x4WaGER+JuPncSJnMpt27WWlin/x1YaLF1ICd2XfGZaXN/wCm/zd0ws yDK+r13ZOTGlTGbxTOIXvDwYv1+PPpeZLHHLI= 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=Lhevyg8DE9hWixXOX3JIKqoVDz4odIrj+r5X/3PaKi4=; b=P9CDohEqkgOr84jkj8hnuHNuCnoFLNb+ekHJYqVEV5bbm1z1suzquj6n7p15kWyVy6 708wHBfwfD18+XgHl2x/JeyUTvyI2HiuOJ4og3U3EUS5V6on8pdCIl4OjdbJ5QLeUuXw IixM9PMUYFASzpSUGWBbVk2WhwzsQ+O1thsoFTgNqRl2NinYRlLcneFIFNlQP35MdhSx ZlAqgGLsYITRGzB94H+Jje9cCqX403psPaRYarAXtkPF0HqmrfhjF4mAS+qHgtp9x60x 2vHKzolidgEfjBSYvEm9rHsoT2f6H23b9e3ilcXP2daGgeuwBd3A4/CVRzv0VysHA0VA POgg== X-Gm-Message-State: AG10YOS3UgQG8sq5e7YZkQtCfo04cf1bdeWEVJKGZcDRIDkrm2h2dVM8CdEda9/z7ZRdl8n7 X-Received: by 10.67.21.205 with SMTP id hm13mr43168736pad.56.1456196579719; Mon, 22 Feb 2016 19:02:59 -0800 (PST) Received: from localhost.localdomain ([116.25.56.39]) by smtp.gmail.com with ESMTPSA id l24sm39800554pfb.73.2016.02.22.19.02.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 22 Feb 2016 19:02:58 -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 v5 01/11] drm/hisilicon: Add device tree binding for hi6220 display subsystem Date: Tue, 23 Feb 2016 11:00:21 +0800 Message-Id: <1456196431-19923-2-git-send-email-xinliang.liu@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1456196431-19923-1-git-send-email-xinliang.liu@linaro.org> References: <1456196431-19923-1-git-send-email-xinliang.liu@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160222_190320_745152_6782BC32 X-CRM114-Status: GOOD ( 15.36 ) X-Spam-Score: -2.7 (--) 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=-4.1 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. v5: - Remove endpoint unit address of dsi output port. - Add "hisilicon,noc-syscon" property for ADE NOC QoS syscon. - Add "resets" property for ADE reset. 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 --- .../bindings/display/hisilicon/dw-dsi.txt | 72 ++++++++++++++++++++++ .../bindings/display/hisilicon/hisi-ade.txt | 64 +++++++++++++++++++ 2 files changed, 136 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..0d234b5e19af --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt @@ -0,0 +1,72 @@ +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 or panel. + +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. + 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 { + reg = <1>; + + dsi_out0: endpoint@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..c1844b3ff878 --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt @@ -0,0 +1,64 @@ +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 ADE controller's registers. + Value should be "<0x0 0xf4100000 0x0 0x7800>". +- reg-names: name of physical base. Value should be "ade_base". +- hisilicon,noc-syscon: ADE NOC QoS syscon. Value should be "<&medianoc_ade>" +- resets: The ADE reset controller node. Value should be "<&media_ctrl + MEDIA_ADE>". +- 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>; + reg-names = "ade_base"; + hisilicon,noc-syscon = <&medianoc_ade>; + resets = <&media_ctrl MEDIA_ADE>; + 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>; + }; + }; + };