xref: /linux/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/qcom,sdm845-dispcc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Display Clock & Reset Controller on SDM845
8
9maintainers:
10  - Taniya Das <quic_tdas@quicinc.com>
11
12description: |
13  Qualcomm display clock control module provides the clocks, resets and power
14  domains on SDM845.
15
16  See also:: include/dt-bindings/clock/qcom,dispcc-sdm845.h
17
18properties:
19  compatible:
20    const: qcom,sdm845-dispcc
21
22  # NOTE: sdm845.dtsi existed for quite some time and specified no clocks.
23  # The code had to use hardcoded mechanisms to find the input clocks.
24  # New dts files should have these clocks.
25  clocks:
26    items:
27      - description: Board XO source
28      - description: GPLL0 source from GCC
29      - description: GPLL0 div source from GCC
30      - description: Byte clock from DSI PHY0
31      - description: Pixel clock from DSI PHY0
32      - description: Byte clock from DSI PHY1
33      - description: Pixel clock from DSI PHY1
34      - description: Link clock from DP PHY
35      - description: VCO DIV clock from DP PHY
36
37  clock-names:
38    items:
39      - const: bi_tcxo
40      - const: gcc_disp_gpll0_clk_src
41      - const: gcc_disp_gpll0_div_clk_src
42      - const: dsi0_phy_pll_out_byteclk
43      - const: dsi0_phy_pll_out_dsiclk
44      - const: dsi1_phy_pll_out_byteclk
45      - const: dsi1_phy_pll_out_dsiclk
46      - const: dp_link_clk_divsel_ten
47      - const: dp_vco_divided_clk_src_mux
48
49required:
50  - compatible
51  - clocks
52  - clock-names
53  - '#power-domain-cells'
54
55allOf:
56  - $ref: qcom,gcc.yaml#
57
58unevaluatedProperties: false
59
60examples:
61  - |
62    #include <dt-bindings/clock/qcom,gcc-sdm845.h>
63    #include <dt-bindings/clock/qcom,rpmh.h>
64    clock-controller@af00000 {
65      compatible = "qcom,sdm845-dispcc";
66      reg = <0x0af00000 0x10000>;
67      clocks = <&rpmhcc RPMH_CXO_CLK>,
68               <&gcc GCC_DISP_GPLL0_CLK_SRC>,
69               <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
70               <&dsi0_phy 0>,
71               <&dsi0_phy 1>,
72               <&dsi1_phy 0>,
73               <&dsi1_phy 1>,
74               <&dp_phy 0>,
75               <&dp_phy 1>;
76      clock-names = "bi_tcxo",
77                    "gcc_disp_gpll0_clk_src",
78                    "gcc_disp_gpll0_div_clk_src",
79                    "dsi0_phy_pll_out_byteclk",
80                    "dsi0_phy_pll_out_dsiclk",
81                    "dsi1_phy_pll_out_byteclk",
82                    "dsi1_phy_pll_out_dsiclk",
83                    "dp_link_clk_divsel_ten",
84                    "dp_vco_divided_clk_src_mux";
85      #clock-cells = <1>;
86      #reset-cells = <1>;
87      #power-domain-cells = <1>;
88    };
89...
90