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Message-ID: <d9ad36f5-1913-2cb3-d4be-125ed2d29041@linaro.org>
Date: Thu, 25 Nov 2021 14:53:43 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Herring <robh@...nel.org>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>
Cc: robdclark@...il.com, sean@...rly.run, airlied@...ux.ie,
daniel@...ll.ch, abhinavk@...eaurora.org,
linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
martin.botka@...ainline.org, ~postmarketos/upstreaming@...ts.sr.ht,
phone-devel@...r.kernel.org, paul.bouchara@...ainline.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH 3/3] dt-bindings: display: msm: Add binding for msm8998
dpu
On 07/09/2021 21:37, Rob Herring wrote:
> On Wed, Sep 01, 2021 at 08:11:38PM +0200, AngeloGioacchino Del Regno wrote:
>> Add yaml binding for msm8998 dpu1 support.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
>> ---
>> .../bindings/display/msm/dpu-msm8998.yaml | 220 ++++++++++++++++++
>> 1 file changed, 220 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml b/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
>> new file mode 100644
>> index 000000000000..db435342ecbf
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/msm/dpu-msm8998.yaml
>> @@ -0,0 +1,220 @@
>> +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/msm/dpu-msm8998.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Display DPU dt properties for MSM8998 target
>> +
>> +maintainers:
>> + - AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
>> +
>> +description: |
>> + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
>> + sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
>> + bindings of MDSS and DPU are mentioned for MSM8998 target.
>> +
>> +properties:
>> + compatible:
>> + items:
>> + - const: qcom,msm8998-mdss
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + reg-names:
>> + const: mdss
>> +
>> + power-domains:
>> + maxItems: 1
>> +
>> + clocks:
>> + items:
>> + - description: Display AHB clock
>> + - description: Display AXI clock
>> + - description: Display core clock
>> +
>> + clock-names:
>> + items:
>> + - const: iface
>> + - const: bus
>> + - const: core
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> + interrupt-controller: true
>> +
>> + "#address-cells": true
>> +
>> + "#size-cells": true
>> +
>> + "#interrupt-cells":
>> + const: 1
>> +
>> + iommus:
>> + items:
>> + - description: Phandle to apps_smmu node with SID mask for Hard-Fail port0
>> +
>> + ranges: true
>> +
>> +patternProperties:
>> + "^display-controller@[0-9a-f]+$":
>> + type: object
>> + description: Node containing the properties of DPU.
>> +
>> + properties:
>> + compatible:
>> + items:
>> + - const: qcom,msm8998-dpu
>> +
>> + reg:
>> + items:
>> + - description: Address offset and size for mdp register set
>> + - description: Address offset and size for regdma register set
>> + - description: Address offset and size for vbif register set
>> + - description: Address offset and size for non-realtime vbif register set
>> +
>> + reg-names:
>> + items:
>> + - const: mdp
>> + - const: regdma
>> + - const: vbif
>> + - const: vbif_nrt
>> +
>> + clocks:
>> + items:
>> + - description: Display ahb clock
>> + - description: Display axi clock
>> + - description: Display mem-noc clock
>> + - description: Display core clock
>> + - description: Display vsync clock
>> +
>> + clock-names:
>> + items:
>> + - const: iface
>> + - const: bus
>> + - const: mnoc
>> + - const: core
>> + - const: vsync
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> + power-domains:
>> + maxItems: 1
>> +
>> + operating-points-v2: true
>> + ports:
>> + $ref: /schemas/graph.yaml#/properties/ports
>> + description: |
>> + Contains the list of output ports from DPU device. These ports
>> + connect to interfaces that are external to the DPU hardware,
>> + such as DSI, DP etc. Each output port contains an endpoint that
>> + describes how it is connected to an external interface.
>> +
>> + properties:
>> + port@0:
>> + $ref: /schemas/graph.yaml#/properties/port
>> + description: DPU_INTF1 (DSI1)
>> +
>> + port@1:
>> + $ref: /schemas/graph.yaml#/properties/port
>> + description: DPU_INTF2 (DSI2)
>> +
>> + required:
>> + - port@0
>> + - port@1
>> +
>> + required:
>> + - compatible
>> + - reg
>> + - reg-names
>> + - clocks
>> + - interrupts
>> + - power-domains
>> + - operating-points-v2
>> + - ports
>> +
>> +required:
>> + - compatible
>> + - reg
>> + - reg-names
>> + - power-domains
>> + - clocks
>> + - interrupts
>> + - interrupt-controller
>> + - iommus
>> + - ranges
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/qcom,mmcc-msm8998.h>
>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>> + #include <dt-bindings/power/qcom-rpmpd.h>
>> +
>> + display-subsystem@...0000 {
>> + compatible = "qcom,msm8998-mdss";
>> + reg = <0x0c900000 0x1000>;
>> + reg-names = "mdss";
>> +
>> + clocks = <&mmcc MDSS_AHB_CLK>,
>> + <&mmcc MDSS_AXI_CLK>,
>> + <&mmcc MDSS_MDP_CLK>;
>> + clock-names = "iface", "bus", "core";
>> +
>> + #address-cells = <1>;
>> + #interrupt-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
>> + interrupt-controller;
>> + iommus = <&mmss_smmu 0>;
>> +
>> + power-domains = <&mmcc MDSS_GDSC>;
>> + ranges;
>> + status = "disabled";
>
> Drop. Why disable an example?
AngeloGioacchino, could you please update and repost this patch series?
I'd like to get it merged.
>
>> +
>> + display-controller@...1000 {
>> + compatible = "qcom,msm8998-dpu";
>> + reg = <0x0c901000 0x8f000>,
>> + <0x0c9a8e00 0xf0>,
>> + <0x0c9b0000 0x2008>,
>> + <0x0c9b8000 0x1040>;
>> + reg-names = "mdp", "regdma", "vbif", "vbif_nrt";
>> +
>> + clocks = <&mmcc MDSS_AHB_CLK>,
>> + <&mmcc MDSS_AXI_CLK>,
>> + <&mmcc MNOC_AHB_CLK>,
>> + <&mmcc MDSS_MDP_CLK>,
>> + <&mmcc MDSS_VSYNC_CLK>;
>> + clock-names = "iface", "bus", "mnoc", "core", "vsync";
>> +
>> + interrupt-parent = <&mdss>;
>> + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
>> + operating-points-v2 = <&mdp_opp_table>;
>> + power-domains = <&rpmpd MSM8998_VDDMX>;
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>> + dpu_intf1_out: endpoint {
>> + remote-endpoint = <&dsi0_in>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> + dpu_intf2_out: endpoint {
>> + remote-endpoint = <&dsi1_in>;
>> + };
>> + };
>> + };
>> + };
>> + };
>> +...
>> --
>> 2.32.0
>>
>>
--
With best wishes
Dmitry
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