From patchwork Sat Jan 30 08:54:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xinliang Liu X-Patchwork-Id: 8170101 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 9EB1F9F818 for ; Sat, 30 Jan 2016 08:58:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AF3B72039D for ; Sat, 30 Jan 2016 08:58:44 +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 D28EA20397 for ; Sat, 30 Jan 2016 08:58:42 +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 1aPRKd-0006uV-TN; Sat, 30 Jan 2016 08:56:35 +0000 Received: from mail-vk0-x236.google.com ([2607:f8b0:400c:c05::236]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aPRKa-0006nq-Li for linux-arm-kernel@lists.infradead.org; Sat, 30 Jan 2016 08:56:33 +0000 Received: by mail-vk0-x236.google.com with SMTP id e64so54510586vkg.0 for ; Sat, 30 Jan 2016 00:56:12 -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=EpAIdvO6SB6riW4w34ot/iflo2UCEyNr9h96UZqU8aM=; b=DrPhgvjU5Emi+WRmygDOq5FPG1eKV5NyjCV068Lo1B/lGNklTYYu9qJAF91Ux2HSBx yCr8IBHy9AVbkdgwtLDdA2OkeNMO3MSdsghdBgEldH8uKRhU9fpUqYMPq5aoL0AOnW17 ZRhsfEOROlcxBOP5sZTYBLpKAZsLClcVsPGiE= 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=EpAIdvO6SB6riW4w34ot/iflo2UCEyNr9h96UZqU8aM=; b=SkShs8SdUQgWTrbA5a06bcDbjBjYZYn9V2CNf9Y/TALfvqWzIu3XMtH4Zw+a5/q9jE 9Nw7NQUn4U+/mlFmDevJZLotvT4MgA93hT9ehXUhyrszVZqaymG1VoOuGJSsIsOkbCCe PxIuG33ly9caZS7rHnRofuB9MgmdN6gQDOzts/mwn+TCQaGXWY47m7u0DZCRnzzvRHLD IDuDSKu+wPLY8E2njGB8sYZ8VViVZoYFooPkwCBSBYU/5bcDi4Bkttftf/Lfn8bzCtdG ZNNNNcnMoInSfJ67xQKKGVy2kHDY/VR/WOuQ2a9bw2rwP8c1BmVuQ7D/mMZA6KAQ2Yso 4kvA== X-Gm-Message-State: AG10YOQElo84w5Vde9mEnDAhXDzQVsb7LrMBNn4pY1dvXyaJgkljRy62+FNfdIKr6ScErVN/ X-Received: by 10.31.7.140 with SMTP id 134mr9126908vkh.155.1454144171585; Sat, 30 Jan 2016 00:56:11 -0800 (PST) Received: from localhost.localdomain ([113.97.185.10]) by smtp.gmail.com with ESMTPSA id 79sm2742487vkj.21.2016.01.30.00.55.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 30 Jan 2016 00:56:11 -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 v3 01/10] drm/hisilicon: Add device tree binding for hi6220 display subsystem Date: Sat, 30 Jan 2016 16:54:26 +0800 Message-Id: <1454144075-74361-2-git-send-email-xinliang.liu@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1454144075-74361-1-git-send-email-xinliang.liu@linaro.org> References: <1454144075-74361-1-git-send-email-xinliang.liu@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160130_005632_893265_37D3EE30 X-CRM114-Status: GOOD ( 14.12 ) 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. Signed-off-by: Xinliang Liu 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. --- .../bindings/display/hisilicon/dw-dsi.txt | 60 ++++++++++++++++++++++ .../bindings/display/hisilicon/hisi-ade.txt | 56 ++++++++++++++++++++ 2 files changed, 116 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..44b945a54f3f --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/dw-dsi.txt @@ -0,0 +1,60 @@ +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 the 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, and output port connected to external HDMI + 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@0xf4107800 { + compatible = "hisilicon,hi6220-dsi"; + reg = <0x0 0xf4107800 0x0 0x100>; + clocks = <&media_ctrl HI6220_DSI_PCLK>; + clock-names = "pclk_dsi"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi_in: endpoint { + remote-endpoint = <&ade_out>; + }; + }; + + port@1 { + reg = <1>; /* 1 for output port */ + dsi_out: endpoint { + remote-endpoint = <&adv7533_in>; + }; + }; + }; + }; + +Board specific: + i2c2: i2c@f7102000 { + ... + + adv7533: adv7533@39 { + ... + + port { + adv7533_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + }; + }; + 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..47925826536c --- /dev/null +++ b/Documentation/devicetree/bindings/display/hisilicon/hisi-ade.txt @@ -0,0 +1,56 @@ +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. +- reg-names: name of physical base. +- interrupt: the interrupt number. +- clocks: the clocks needed. +- clock-names: the name of the clocks. +- assigned-clocks: clocks to be assigned rate. +- assigned-clock-rates: clock rates which are assigned to assigned-clocks. +- port: the output port. This contains one endpoint subnode, with its + remote-endpoint set to the phandle of the connected DSI 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>; + }; + }; + };