Re: [PATCH v2 07/15] dt-bindings: display/msm: Add SM6125 MDSS

From: Rob Herring
Date: Wed Jun 28 2023 - 11:31:02 EST


On Tue, Jun 27, 2023 at 10:14:22PM +0200, Marijn Suijten wrote:
> Document the SM6125 MDSS.
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> ---
> .../bindings/display/msm/qcom,sm6125-mdss.yaml | 217 +++++++++++++++++++++
> 1 file changed, 217 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6125-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6125-mdss.yaml
> new file mode 100644
> index 000000000000..2525482424cb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6125-mdss.yaml
> @@ -0,0 +1,217 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/msm/qcom,sm6125-mdss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SM6125 Display MDSS
> +
> +maintainers:
> + - Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> +
> +description:
> + SM6125 MSM Mobile Display Subsystem (MDSS), which encapsulates sub-blocks
> + like DPU display controller, DSI and DP interfaces etc.
> +
> +$ref: /schemas/display/msm/mdss-common.yaml#
> +
> +properties:
> + compatible:
> + const: qcom,sm6125-mdss
> +
> + clocks:
> + items:
> + - description: Display AHB clock from gcc
> + - description: Display AHB clock
> + - description: Display core clock
> +
> + clock-names:
> + items:
> + - const: iface
> + - const: ahb
> + - const: core
> +
> + iommus:
> + maxItems: 1
> +
> + interconnects:
> + maxItems: 2
> +
> + interconnect-names:
> + maxItems: 2
> +
> +patternProperties:
> + "^display-controller@[0-9a-f]+$":
> + type: object
> + properties:
> + compatible:
> + const: qcom,sm6125-dpu
> +
> + "^dsi@[0-9a-f]+$":
> + type: object
> + properties:
> + compatible:
> + items:
> + - const: qcom,sm6125-dsi-ctrl
> + - const: qcom,mdss-dsi-ctrl
> +
> + "^phy@[0-9a-f]+$":
> + type: object
> + properties:
> + compatible:
> + const: qcom,sm6125-dsi-phy-14nm
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/qcom,dispcc-sm6125.h>
> + #include <dt-bindings/clock/qcom,gcc-sm6125.h>
> + #include <dt-bindings/clock/qcom,rpmcc.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/power/qcom-rpmpd.h>
> +
> + display-subsystem@5e00000 {
> + compatible = "qcom,sm6125-mdss";
> + reg = <0x05e00000 0x1000>;
> + reg-names = "mdss";
> +
> + interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + clocks = <&gcc GCC_DISP_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CLK>;
> + clock-names = "iface",
> + "ahb",
> + "core";
> +
> + power-domains = <&dispcc MDSS_GDSC>;
> +
> + iommus = <&apps_smmu 0x400 0x0>;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + status = "disabled";

Examples should not be disabled. Drop.

> +
> + display-controller@5e01000 {
> + compatible = "qcom,sm6125-dpu";
> + reg = <0x05e01000 0x83208>,
> + <0x05eb0000 0x2008>;
> + reg-names = "mdp", "vbif";
> +
> + interrupt-parent = <&mdss>;
> + interrupts = <0>;
> +
> + clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
> + <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&dispcc DISP_CC_MDSS_ROT_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
> + <&dispcc DISP_CC_MDSS_MDP_CLK>,
> + <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + clock-names = "bus",
> + "iface",
> + "rot",
> + "lut",
> + "core",
> + "vsync";
> + assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
> + assigned-clock-rates = <19200000>;
> +
> + operating-points-v2 = <&mdp_opp_table>;
> + power-domains = <&rpmpd SM6125_VDDCX>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + dpu_intf1_out: endpoint {
> + remote-endpoint = <&mdss_dsi0_in>;
> + };
> + };
> + };
> + };
> +
> + dsi@5e94000 {
> + compatible = "qcom,sm6125-dsi-ctrl", "qcom,mdss-dsi-ctrl";
> + reg = <0x05e94000 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 = <&mdss_dsi0_phy 0>, <&mdss_dsi0_phy 1>;
> +
> + operating-points-v2 = <&dsi_opp_table>;
> + power-domains = <&rpmpd SM6125_VDDCX>;
> +
> + phys = <&mdss_dsi0_phy>;
> + phy-names = "dsi";
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + status = "disabled";

Ditto.

> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + mdss_dsi0_in: endpoint {
> + remote-endpoint = <&dpu_intf1_out>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + mdss_dsi0_out: endpoint {
> + };
> + };
> + };
> + };
> +
> + phy@5e94400 {
> + compatible = "qcom,sm6125-dsi-phy-14nm";
> + reg = <0x05e94400 0x100>,
> + <0x05e94500 0x300>,
> + <0x05e94800 0x188>;
> + reg-names = "dsi_phy",
> + "dsi_phy_lane",
> + "dsi_pll";
> +
> + #clock-cells = <1>;
> + #phy-cells = <0>;
> +
> + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> + <&rpmcc RPM_SMD_XO_CLK_SRC>;
> + clock-names = "iface",
> + "ref";
> +
> + required-opps = <&rpmpd_opp_svs>;
> + power-domains = <&rpmpd SM6125_VDDMX>;
> +
> + status = "disabled";

Ditto

> + };
> + };
> +...
>
> --
> 2.41.0
>