Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Qualcomm Display Clock & Reset Controller on SDM845 |
| 8 | |
| 9 | maintainers: |
| 10 | - Taniya Das <quic_tdas@quicinc.com> |
| 11 | |
| 12 | description: | |
| 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 | |
| 18 | properties: |
| 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 | |
| 49 | '#clock-cells': |
| 50 | const: 1 |
| 51 | |
| 52 | '#reset-cells': |
| 53 | const: 1 |
| 54 | |
| 55 | '#power-domain-cells': |
| 56 | const: 1 |
| 57 | |
| 58 | reg: |
| 59 | maxItems: 1 |
| 60 | |
| 61 | required: |
| 62 | - compatible |
| 63 | - reg |
| 64 | - clocks |
| 65 | - clock-names |
| 66 | - '#clock-cells' |
| 67 | - '#reset-cells' |
| 68 | - '#power-domain-cells' |
| 69 | |
| 70 | additionalProperties: false |
| 71 | |
| 72 | examples: |
| 73 | - | |
| 74 | #include <dt-bindings/clock/qcom,gcc-sdm845.h> |
| 75 | #include <dt-bindings/clock/qcom,rpmh.h> |
| 76 | clock-controller@af00000 { |
| 77 | compatible = "qcom,sdm845-dispcc"; |
| 78 | reg = <0x0af00000 0x10000>; |
| 79 | clocks = <&rpmhcc RPMH_CXO_CLK>, |
| 80 | <&gcc GCC_DISP_GPLL0_CLK_SRC>, |
| 81 | <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>, |
| 82 | <&dsi0_phy 0>, |
| 83 | <&dsi0_phy 1>, |
| 84 | <&dsi1_phy 0>, |
| 85 | <&dsi1_phy 1>, |
| 86 | <&dp_phy 0>, |
| 87 | <&dp_phy 1>; |
| 88 | clock-names = "bi_tcxo", |
| 89 | "gcc_disp_gpll0_clk_src", |
| 90 | "gcc_disp_gpll0_div_clk_src", |
| 91 | "dsi0_phy_pll_out_byteclk", |
| 92 | "dsi0_phy_pll_out_dsiclk", |
| 93 | "dsi1_phy_pll_out_byteclk", |
| 94 | "dsi1_phy_pll_out_dsiclk", |
| 95 | "dp_link_clk_divsel_ten", |
| 96 | "dp_vco_divided_clk_src_mux"; |
| 97 | #clock-cells = <1>; |
| 98 | #reset-cells = <1>; |
| 99 | #power-domain-cells = <1>; |
| 100 | }; |
| 101 | ... |