[PATCH 1/5] dt-bindings: display/msm: document MDSS on X1E80100

From: Abel Vesa
Date: Mon Jan 29 2024 - 08:19:31 EST


Document the MDSS hardware found on the Qualcomm X1E80100 platform.

Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
---
.../bindings/display/msm/qcom,x1e80100-mdss.yaml | 249 +++++++++++++++++++++
1 file changed, 249 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml
new file mode 100644
index 000000000000..eaa91f7d61ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/qcom,x1e80100-mdss.yaml
@@ -0,0 +1,249 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,x1e80100-mdss.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm X1E80100 Display MDSS
+
+maintainers:
+ - Abel Vesa <abel.vesa@xxxxxxxxxx>
+
+description:
+ X1E80100 MSM Mobile Display Subsystem(MDSS), which encapsulates sub-blocks like
+ DPU display controller, DP interfaces, etc.
+
+$ref: /schemas/display/msm/mdss-common.yaml#
+
+properties:
+ compatible:
+ const: qcom,x1e80100-mdss
+
+ clocks:
+ items:
+ - description: Display AHB
+ - description: Display hf AXI
+ - description: Display core
+
+ iommus:
+ maxItems: 1
+
+ interconnects:
+ maxItems: 3
+
+ interconnect-names:
+ maxItems: 3
+
+patternProperties:
+ "^display-controller@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,x1e80100-dpu
+
+ "^displayport-controller@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,x1e80100-dp
+
+ "^phy@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,x1e80100-dp-phy
+
+required:
+ - compatible
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmh.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/power/qcom,rpmhpd.h>
+
+ display-subsystem@ae00000 {
+ compatible = "qcom,x1e80100-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>;
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_DISPLAY_CFG 0>;
+ interconnect-names = "mdp0-mem", "mdp1-mem", "cpu-cfg";
+
+ resets = <&dispcc_core_bcr>;
+
+ power-domains = <&dispcc_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,x1e80100-dpu";
+ reg = <0x0ae01000 0x8f000>,
+ <0x0aeb0000 0x2008>;
+ reg-names = "mdp", "vbif";
+
+ clocks = <&gcc_axi_clk>,
+ <&dispcc_ahb_clk>,
+ <&dispcc_mdp_lut_clk>,
+ <&dispcc_mdp_clk>,
+ <&dispcc_mdp_vsync_clk>;
+ clock-names = "nrt_bus",
+ "iface",
+ "lut",
+ "core",
+ "vsync";
+
+ assigned-clocks = <&dispcc_mdp_vsync_clk>;
+ assigned-clock-rates = <19200000>;
+
+ operating-points-v2 = <&mdp_opp_table>;
+ power-domains = <&rpmhpd RPMHPD_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>;
+ };
+ };
+ };
+
+ displayport-controller@ae90000 {
+ compatible = "qcom,x1e80100-dp";
+ reg = <0 0xae90000 0 0x200>,
+ <0 0xae90200 0 0x200>,
+ <0 0xae90400 0 0x600>,
+ <0 0xae91000 0 0x400>,
+ <0 0xae91400 0 0x400>;
+
+ interrupt-parent = <&mdss>;
+ interrupts = <12>;
+
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_AUX_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_LINK_INTF_CLK>,
+ <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK>;
+ clock-names = "core_iface", "core_aux",
+ "ctrl_link",
+ "ctrl_link_iface",
+ "stream_pixel";
+
+ assigned-clocks = <&dispcc DISP_CC_MDSS_DPTX0_LINK_CLK_SRC>,
+ <&dispcc DISP_CC_MDSS_DPTX0_PIXEL0_CLK_SRC>;
+ assigned-clock-parents = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_LINK_CLK>,
+ <&usb_1_ss0_qmpphy QMP_USB43DP_DP_VCO_DIV_CLK>;
+
+ operating-points-v2 = <&mdss_dp0_opp_table>;
+
+ power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+ phys = <&usb_1_ss0_qmpphy QMP_USB43DP_DP_PHY>;
+ phy-names = "dp";
+
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mdss_dp0_in: endpoint {
+ remote-endpoint = <&mdss_intf0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mdss_dp0_out: endpoint {
+ };
+ };
+ };
+
+ mdss_dp0_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-160000000 {
+ opp-hz = /bits/ 64 <160000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ };
+
+ opp-270000000 {
+ opp-hz = /bits/ 64 <270000000>;
+ required-opps = <&rpmhpd_opp_svs>;
+ };
+
+ opp-540000000 {
+ opp-hz = /bits/ 64 <540000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+
+ opp-810000000 {
+ opp-hz = /bits/ 64 <810000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+ };
+ };
+ };
+...

--
2.34.1