From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 110F2C433E0 for ; Fri, 12 Jun 2020 16:22:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D8BBB207ED for ; Fri, 12 Jun 2020 16:22:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="BVQsixGO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8BBB207ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 060AD6E986; Fri, 12 Jun 2020 16:22:37 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id BACE76E91D; Fri, 12 Jun 2020 16:22:35 +0000 (UTC) Received: from mail-oi1-f180.google.com (mail-oi1-f180.google.com [209.85.167.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7A58B2084D; Fri, 12 Jun 2020 16:22:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591978955; bh=Q8xnuSQvFkUDr8zmvrG1XuxDC3lkFjCFlAB3OwOthW4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=BVQsixGONhmhI/hbz9XIDAHAukYVbQ8gZeQ98icrFxKeCJFbL4dsGpULSCHemI7ws H1oOKVYzkPwdEbybBZUImY0uFFy7+6lm5RhyjtVJHOsbiALRIIxGe+8S0jMnyNrufo IjH3yMvarjQ+TolrbESM6I46+soCSCMoAsOI3phM= Received: by mail-oi1-f180.google.com with SMTP id k4so9209548oik.2; Fri, 12 Jun 2020 09:22:35 -0700 (PDT) X-Gm-Message-State: AOAM532uJCs4mZJkyV4UI0M6VpYhDN2n7lS+WaEQ4PsLd7nwK548Ib2b pZ6GhIzMjfR73kcnUPOcZo2A1fXIbe41wloJmg== X-Google-Smtp-Source: ABdhPJwPoRIwsHGp/Q6SDOjjjB5xHEQEwUclkLWle+xl2si3N6oLoxWnuEys74ZMjvgMU2tZ1ygwIobN1Wc1Q5gaWWQ= X-Received: by 2002:aca:6004:: with SMTP id u4mr2905435oib.106.1591978954766; Fri, 12 Jun 2020 09:22:34 -0700 (PDT) MIME-Version: 1.0 References: <20200612015030.16072-1-tanmay@codeaurora.org> <20200612015030.16072-2-tanmay@codeaurora.org> In-Reply-To: <20200612015030.16072-2-tanmay@codeaurora.org> From: Rob Herring Date: Fri, 12 Jun 2020 10:21:58 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v6 1/5] dt-bindings: msm/dp: add bindings of DP/DP-PLL driver for Snapdragon To: Tanmay Shah X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, aravindh@codeaurora.org, linux-arm-msm , "linux-kernel@vger.kernel.org" , dri-devel , Stephen Boyd , Sean Paul , Abhinav Kumar , Vara Reddy , freedreno , Sam Ravnborg , Chandan Uddaraju Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Thu, Jun 11, 2020 at 7:51 PM Tanmay Shah wrote: > > From: Chandan Uddaraju > > Add bindings for Snapdragon DisplayPort controller driver. > > Changes in V2: > Provide details about sel-gpio > > Changes in V4: > Provide details about max dp lanes > Change the commit text > > Changes in V5: > moved dp.txt to yaml file > > Changes in v6: > - Squash all AUX LUT properties into one pattern Property > - Make aux-cfg[0-9]-settings properties optional > - Remove PLL/PHY bindings from DP controller dts > - Add DP clocks description > - Remove _clk suffix from clock names > - Rename pixel clock to stream_pixel > - Remove redundant bindings (GPIO, PHY, HDCP clock, etc..) > - Fix indentation > - Add Display Port as interface of DPU in DPU bindings > and add port mapping accordingly. > > Signed-off-by: Chandan Uddaraju > Signed-off-by: Vara Reddy > Signed-off-by: Tanmay Shah > --- > .../bindings/display/msm/dp-sc7180.yaml | 142 ++++++++++++++++++ > .../devicetree/bindings/display/msm/dpu.txt | 8 + > 2 files changed, 150 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml Is it too much to ask for Qualcomm to coordinate your work? I'm not going to do that for you. This conflicts with "[v4] dt-bindings: msm: disp: add yaml schemas for DPU and DSI bindings". > diff --git a/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml b/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml > new file mode 100644 > index 000000000000..5fdb9153df00 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml > @@ -0,0 +1,142 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) Extra space. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/msm/dp-sc7180.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Display Port Controller. > + > +maintainers: > + - Chandan Uddaraju > + - Vara Reddy > + - Tanmay Shah > + > +description: | > + Device tree bindings for MSM Display Port which supports DP host controllers > + that are compatible with VESA Display Port interface specification. > + > +properties: > + compatible: > + items: > + - const: qcom,dp-display That's what the h/w reference manual calls this? It should be SoC specific. > + > + cell-index: > + description: Specifies the controller instance. Pretty sure I already said no to this. > + > + reg: > + items: > + - description: DP controller registers Just: 'maxItems: 1' > + > + interrupts: > + description: The interrupt signal from the DP block. How many? The description is useless. That's every 'interrupts'. > + > + clocks: > + description: List of clock specifiers for clocks needed by the device. That's every 'clocks' property. Drop. > + items: > + - description: Display Port AUX clock > + - description: Display Port Link clock > + - description: Link interface clock between DP and PHY > + - description: Display Port Pixel clock > + - description: Root clock generator for pixel clock > + > + clock-names: > + description: | > + Device clock names in the same order as mentioned in clocks property. > + The required clocks are mentioned below. Drop. > + items: > + - const: core_aux > + - const: ctrl_link > + - const: ctrl_link_iface > + - const: stream_pixel > + - const: pixel_rcg blank line > + "#clock-cells": > + const: 1 > + > + vdda-1p2-supply: > + description: phandle to vdda 1.2V regulator node. > + > + vdda-0p9-supply: > + description: phandle to vdda 0.9V regulator node. > + > + data-lanes = <0 1>: Err, what?! > + type: object This is a DT node? > + description: Maximum number of lanes that can be used for Display port. > + > + ports: > + description: | > + Contains display port controller endpoint subnode. > + remote-endpoint: | > + For port@0, set to phandle of the connected panel/bridge's > + input endpoint. For port@1, set to the DPU interface output. Look at other schemas and see how they are done. > + Documentation/devicetree/bindings/graph.txt and > + Documentation/devicetree/bindings/media/video-interfaces.txt. > + > +patternProperties: > + "^aux-cfg([0-9])-settings$": > + type: object This is a DT node? > + description: | > + Specifies the DP AUX configuration [0-9] settings. > + The first entry in this array corresponds to the register offset > + within DP AUX, while the remaining entries indicate the > + programmable values. > + > +required: > + - compatible > + - cell-index > + - reg > + - interrupts > + - clocks > + - clock-names > + - vdda-1p2-supply > + - vdda-0p9-supply > + - data-lanes > + - ports Add: additionalProperties: false > + > +examples: > + - | > + #include > + #include > + #include > + msm_dp: displayport-controller@ae90000{ > + compatible = "qcom,dp-display"; > + cell-index = <0>; > + reg = <0 0xae90000 0 0x1400>; > + reg-names = "dp_controller"; > + > + interrupt-parent = <&display_subsystem>; > + interrupts = <12 0>; > + > + clocks = <&dispcc DISP_CC_MDSS_DP_AUX_CLK>, > + <&dispcc DISP_CC_MDSS_DP_LINK_CLK>, > + <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>, > + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>, > + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>; > + clock-names = "core_aux", > + "ctrl_link", > + "ctrl_link_iface", "stream_pixel", > + "pixel_rcg"; > + #clock-cells = <1>; > + > + vdda-1p2-supply = <&vreg_l3c_1p2>; > + vdda-0p9-supply = <&vreg_l4a_0p8>; > + > + data-lanes = <0 1>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dp_in: endpoint { > + remote-endpoint = <&dpu_intf0_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dp_out: endpoint { > + }; > + }; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt b/Documentation/devicetree/bindings/display/msm/dpu.txt > index 551ae26f60da..30c8ab479b02 100644 > --- a/Documentation/devicetree/bindings/display/msm/dpu.txt > +++ b/Documentation/devicetree/bindings/display/msm/dpu.txt > @@ -65,6 +65,7 @@ Required properties: > > Port 0 -> DPU_INTF1 (DSI1) > Port 1 -> DPU_INTF2 (DSI2) > + Port 2 -> DPU_INTF0 (DP) > > Optional properties: > - assigned-clocks: list of clock specifiers for clocks needing rate assignment > @@ -136,6 +137,13 @@ Example: > remote-endpoint = <&dsi1_in>; > }; > }; > + > + port@2 { > + reg = <2>; > + dpu_intf0_out: endpoint { > + remote-endpoint = <&dp_in>; > + }; > + }; > }; > }; > }; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel