Messages in this thread | | | Date | Mon, 9 Jan 2023 01:11:32 +0200 | Subject | Re: [PATCH 2/6] dt-bindings: display/msm: document the display hardware for SM8550 | From | Dmitry Baryshkov <> |
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On 04/01/2023 11:08, Neil Armstrong wrote: > Document the MDSS and DPU blocks found on the Qualcomm SM8550 > platform. > > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Please split this into two patches: one for mdss, one for dpu.
> --- > .../bindings/display/msm/qcom,sm8550-dpu.yaml | 134 +++++++++ > .../bindings/display/msm/qcom,sm8550-mdss.yaml | 331 +++++++++++++++++++++ > 2 files changed, 465 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml > new file mode 100644 > index 000000000000..c3d5a98fe3c0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml > @@ -0,0 +1,134 @@ > +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/msm/qcom,sm8550-dpu.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm SM8550 Display DPU > + > +maintainers: > + - Neil Armstrong <neil.armstrong@linaro.org> > + > +$ref: /schemas/display/msm/dpu-common.yaml# > + > +properties: > + compatible: > + const: qcom,sm8550-dpu > + > + reg: > + items: > + - description: Address offset and size for mdp register set > + - description: Address offset and size for vbif register set > + > + reg-names: > + items: > + - const: mdp > + - const: vbif > + > + clocks: > + items: > + - description: Display AHB > + - description: Display hf axi > + - description: Display MDSS ahb > + - description: Display lut > + - description: Display core > + - description: Display vsync > + > + clock-names: > + items: > + - const: bus > + - const: nrt_bus > + - const: iface > + - const: lut > + - const: core > + - const: vsync > + > +required: > + - compatible > + - reg > + - reg-names > + - clocks > + - clock-names > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,sm8550-dispcc.h> > + #include <dt-bindings/clock/qcom,sm8550-gcc.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interconnect/qcom,sm8550.h> > + #include <dt-bindings/power/qcom-rpmpd.h> > + > + display-controller@ae01000 { > + compatible = "qcom,sm8550-dpu"; > + reg = <0x0ae01000 0x8f000>, > + <0x0aeb0000 0x2008>; > + reg-names = "mdp", "vbif"; > + > + clocks = <&gcc GCC_DISP_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>, > + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + clock-names = "bus", > + "nrt_bus", > + "iface", > + "lut", > + "core", > + "vsync"; > + > + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + assigned-clock-rates = <19200000>; > + > + operating-points-v2 = <&mdp_opp_table>; > + power-domains = <&rpmhpd SM8550_MMCX>; > + > + interrupt-parent = <&mdss>; > + interrupts = <0>; > + > + 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>; > + }; > + }; > + }; > + > + mdp_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + opp-200000000 { > + opp-hz = /bits/ 64 <200000000>; > + required-opps = <&rpmhpd_opp_low_svs>; > + }; > + > + opp-325000000 { > + opp-hz = /bits/ 64 <325000000>; > + required-opps = <&rpmhpd_opp_svs>; > + }; > + > + opp-375000000 { > + opp-hz = /bits/ 64 <375000000>; > + required-opps = <&rpmhpd_opp_svs_l1>; > + }; > + > + opp-514000000 { > + opp-hz = /bits/ 64 <514000000>; > + required-opps = <&rpmhpd_opp_nom>; > + }; > + }; > + }; > +... > diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml > new file mode 100644 > index 000000000000..71b5b5f75969 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml > @@ -0,0 +1,331 @@ > +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/msm/qcom,sm8550-mdss.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm SM8550 Display MDSS > + > +maintainers: > + - Neil Armstrong <neil.armstrong@linaro.org> > + > +description: > + SM8550 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like > + DPU display controller, DSI and DP interfaces etc. > + > +$ref: /schemas/display/msm/mdss-common.yaml# > + > +properties: > + compatible: > + const: qcom,sm8550-mdss > + > + clocks: > + items: > + - description: Display MDSS AHB > + - description: Display AHB > + - description: Display hf AXI > + - description: Display core > + > + iommus: > + maxItems: 1 > + > + interconnects: > + maxItems: 2 > + > + interconnect-names: > + maxItems: 2 > + > +patternProperties: > + "^display-controller@[0-9a-f]+$": > + type: object > + properties: > + compatible: > + const: qcom,sm8550-dpu > + > + "^dsi@[0-9a-f]+$": > + type: object > + properties: > + compatible: > + const: qcom,mdss-dsi-ctrl > + > + "^phy@[0-9a-f]+$": > + type: object > + properties: > + compatible: > + const: qcom,dsi-phy-4nm-8550
qcom,sm8550-dsi-phy-4nm
> + > +required: > + - compatible > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/qcom,sm8550-dispcc.h> > + #include <dt-bindings/clock/qcom,sm8550-gcc.h> > + #include <dt-bindings/clock/qcom,rpmh.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interconnect/qcom,sm8550.h> > + #include <dt-bindings/power/qcom-rpmpd.h> > + > + display-subsystem@ae00000 { > + compatible = "qcom,sm8550-mdss"; > + reg = <0x0ae00000 0x1000>; > + reg-names = "mdss"; > + > + interconnects = <&mmss_noc MASTER_MDP 0 &gem_noc SLAVE_LLCC 0>, > + <&mc_virt MASTER_LLCC 0 &mc_virt SLAVE_EBI1 0> > + interconnect-names = "mdp0-mem", "mdp1-mem"; > + > + resets = <&dispcc DISP_CC_MDSS_CORE_BCR>; > + > + power-domains = <&dispcc MDSS_GDSC>; > + > + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&gcc GCC_DISP_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>; > + clock-names = "iface", "bus", "nrt_bus", "core"; > + > + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-controller; > + #interrupt-cells = <1>; > + > + iommus = <&apps_smmu 0x1c00 0x2>; > + > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + display-controller@ae01000 { > + compatible = "qcom,sm8550-dpu"; > + reg = <0x0ae01000 0x8f000>, > + <0x0aeb0000 0x2008>; > + reg-names = "mdp", "vbif"; > + > + clocks = <&gcc GCC_DISP_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>, > + <&dispcc DISP_CC_MDSS_MDP_CLK>, > + <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + clock-names = "bus", > + "nrt_bus", > + "iface", > + "lut", > + "core", > + "vsync"; > + > + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>; > + assigned-clock-rates = <19200000>; > + > + operating-points-v2 = <&mdp_opp_table>; > + power-domains = <&rpmhpd SM8550_MMCX>; > + > + interrupt-parent = <&mdss>; > + interrupts = <0>; > + > + 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>; > + }; > + }; > + }; > + > + mdp_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + opp-200000000 { > + opp-hz = /bits/ 64 <200000000>; > + required-opps = <&rpmhpd_opp_low_svs>; > + }; > + > + opp-325000000 { > + opp-hz = /bits/ 64 <325000000>; > + required-opps = <&rpmhpd_opp_svs>; > + }; > + > + opp-375000000 { > + opp-hz = /bits/ 64 <375000000>; > + required-opps = <&rpmhpd_opp_svs_l1>; > + }; > + > + opp-514000000 { > + opp-hz = /bits/ 64 <514000000>; > + required-opps = <&rpmhpd_opp_nom>; > + }; > + }; > + }; > + > + dsi@ae94000 { > + compatible = "qcom,mdss-dsi-ctrl"; > + reg = <0x0ae94000 0x400>; > + reg-names = "dsi_ctrl"; > + > + interrupt-parent = <&mdss>; > + interrupts = <4>; > + > + clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK>, > + <&dispcc DISP_CC_MDSS_BYTE0_INTF_CLK>, > + <&dispcc DISP_CC_MDSS_PCLK0_CLK>, > + <&dispcc DISP_CC_MDSS_ESC0_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>; > + clock-names = "byte", > + "byte_intf", > + "pixel", > + "core", > + "iface", > + "bus"; > + > + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>, > + <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>; > + assigned-clock-parents = <&dsi0_phy 0>, <&dsi0_phy 1>; > + > + operating-points-v2 = <&dsi_opp_table>; > + power-domains = <&rpmhpd SM8550_MMCX>; > + > + phys = <&dsi0_phy>; > + phy-names = "dsi"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsi0_in: endpoint { > + remote-endpoint = <&dpu_intf1_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi0_out: endpoint { > + }; > + }; > + }; > + > + dsi_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + opp-187500000 { > + opp-hz = /bits/ 64 <187500000>; > + required-opps = <&rpmhpd_opp_low_svs>; > + }; > + > + opp-300000000 { > + opp-hz = /bits/ 64 <300000000>; > + required-opps = <&rpmhpd_opp_svs>; > + }; > + > + opp-358000000 { > + opp-hz = /bits/ 64 <358000000>; > + required-opps = <&rpmhpd_opp_svs_l1>; > + }; > + }; > + }; > + > + dsi0_phy: phy@ae94400 { > + compatible = "qcom,dsi-phy-4nm-8550"; > + reg = <0x0ae95000 0x200>, > + <0x0ae95200 0x280>, > + <0x0ae95500 0x400>; > + reg-names = "dsi_phy", > + "dsi_phy_lane", > + "dsi_pll"; > + > + #clock-cells = <1>; > + #phy-cells = <0>; > + > + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&rpmhcc RPMH_CXO_CLK>; > + clock-names = "iface", "ref"; > + }; > + > + dsi@ae96000 { > + compatible = "qcom,mdss-dsi-ctrl"; > + reg = <0x0ae96000 0x400>; > + reg-names = "dsi_ctrl"; > + > + interrupt-parent = <&mdss>; > + interrupts = <5>; > + > + clocks = <&dispcc DISP_CC_MDSS_BYTE1_CLK>, > + <&dispcc DISP_CC_MDSS_BYTE1_INTF_CLK>, > + <&dispcc DISP_CC_MDSS_PCLK1_CLK>, > + <&dispcc DISP_CC_MDSS_ESC1_CLK>, > + <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&gcc GCC_DISP_HF_AXI_CLK>; > + clock-names = "byte", > + "byte_intf", > + "pixel", > + "core", > + "iface", > + "bus"; > + > + assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE1_CLK_SRC>, > + <&dispcc DISP_CC_MDSS_PCLK1_CLK_SRC>; > + assigned-clock-parents = <&dsi1_phy 0>, <&dsi1_phy 1>; > + > + operating-points-v2 = <&dsi_opp_table>; > + power-domains = <&rpmhpd SM8550_MMCX>; > + > + phys = <&dsi1_phy>; > + phy-names = "dsi"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsi1_in: endpoint { > + remote-endpoint = <&dpu_intf2_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi1_out: endpoint { > + }; > + }; > + }; > + }; > + > + dsi1_phy: phy@ae96400 { > + compatible = "qcom,dsi-phy-4nm-8550"; > + reg = <0x0ae97000 0x200>, > + <0x0ae97200 0x280>, > + <0x0ae97500 0x400>; > + reg-names = "dsi_phy", > + "dsi_phy_lane", > + "dsi_pll"; > + > + #clock-cells = <1>; > + #phy-cells = <0>; > + > + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, > + <&rpmhcc RPMH_CXO_CLK>; > + clock-names = "iface", "ref"; > + }; > + }; > +... >
-- With best wishes Dmitry
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