xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,dispcc-sm6125.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Display Clock Controller on SM6125

maintainers:
  - Martin Botka <martin.botka@somainline.org>

description: |
  Qualcomm display clock control module provides the clocks and power domains
  on SM6125.

  See also:: include/dt-bindings/clock/qcom,dispcc-sm6125.h

properties:
  compatible:
    enum:
      - qcom,sm6125-dispcc

  clocks:
    items:
      - description: Board XO source
      - description: Byte clock from DSI PHY0
      - description: Pixel clock from DSI PHY0
      - description: Pixel clock from DSI PHY1
      - description: Link clock from DP PHY
      - description: VCO DIV clock from DP PHY
      - description: AHB config clock from GCC
      - description: GPLL0 div source from GCC

  clock-names:
    items:
      - const: bi_tcxo
      - const: dsi0_phy_pll_out_byteclk
      - const: dsi0_phy_pll_out_dsiclk
      - const: dsi1_phy_pll_out_dsiclk
      - const: dp_phy_pll_link_clk
      - const: dp_phy_pll_vco_div_clk
      - const: cfg_ahb_clk
      - const: gcc_disp_gpll0_div_clk_src

  '#clock-cells':
    const: 1

  '#power-domain-cells':
    const: 1

  power-domains:
    description:
      A phandle and PM domain specifier for the CX power domain.
    maxItems: 1

  required-opps:
    description:
      A phandle to an OPP node describing the power domain's performance point.
    maxItems: 1

  reg:
    maxItems: 1

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - '#clock-cells'
  - '#power-domain-cells'

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,rpmcc.h>
    #include <dt-bindings/clock/qcom,gcc-sm6125.h>
    #include <dt-bindings/power/qcom-rpmpd.h>
    clock-controller@5f00000 {
      compatible = "qcom,sm6125-dispcc";
      reg = <0x5f00000 0x20000>;

      clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
               <&dsi0_phy 0>,
               <&dsi0_phy 1>,
               <&dsi1_phy 1>,
               <&dp_phy 0>,
               <&dp_phy 1>,
               <&gcc GCC_DISP_AHB_CLK>,
               <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>;
      clock-names = "bi_tcxo",
                    "dsi0_phy_pll_out_byteclk",
                    "dsi0_phy_pll_out_dsiclk",
                    "dsi1_phy_pll_out_dsiclk",
                    "dp_phy_pll_link_clk",
                    "dp_phy_pll_vco_div_clk",
                    "cfg_ahb_clk",
                    "gcc_disp_gpll0_div_clk_src";

      required-opps = <&rpmhpd_opp_ret>;
      power-domains = <&rpmpd SM6125_VDDCX>;

      #clock-cells = <1>;
      #power-domain-cells = <1>;
    };
...