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0001 # SPDX-License-Identifier: GPL-2.0-only
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/clock/qcom,sdm845-dispcc.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006 
0007 title: Qualcomm Display Clock & Reset Controller Binding for SDM845
0008 
0009 maintainers:
0010   - Taniya Das <tdas@codeaurora.org>
0011 
0012 description: |
0013   Qualcomm display clock control module which supports the clocks, resets and
0014   power domains on SDM845.
0015 
0016   See also dt-bindings/clock/qcom,dispcc-sdm845.h.
0017 
0018 properties:
0019   compatible:
0020     const: qcom,sdm845-dispcc
0021 
0022   # NOTE: sdm845.dtsi existed for quite some time and specified no clocks.
0023   # The code had to use hardcoded mechanisms to find the input clocks.
0024   # New dts files should have these clocks.
0025   clocks:
0026     items:
0027       - description: Board XO source
0028       - description: GPLL0 source from GCC
0029       - description: GPLL0 div source from GCC
0030       - description: Byte clock from DSI PHY0
0031       - description: Pixel clock from DSI PHY0
0032       - description: Byte clock from DSI PHY1
0033       - description: Pixel clock from DSI PHY1
0034       - description: Link clock from DP PHY
0035       - description: VCO DIV clock from DP PHY
0036 
0037   clock-names:
0038     items:
0039       - const: bi_tcxo
0040       - const: gcc_disp_gpll0_clk_src
0041       - const: gcc_disp_gpll0_div_clk_src
0042       - const: dsi0_phy_pll_out_byteclk
0043       - const: dsi0_phy_pll_out_dsiclk
0044       - const: dsi1_phy_pll_out_byteclk
0045       - const: dsi1_phy_pll_out_dsiclk
0046       - const: dp_link_clk_divsel_ten
0047       - const: dp_vco_divided_clk_src_mux
0048 
0049   '#clock-cells':
0050     const: 1
0051 
0052   '#reset-cells':
0053     const: 1
0054 
0055   '#power-domain-cells':
0056     const: 1
0057 
0058   reg:
0059     maxItems: 1
0060 
0061 required:
0062   - compatible
0063   - reg
0064   - clocks
0065   - clock-names
0066   - '#clock-cells'
0067   - '#reset-cells'
0068   - '#power-domain-cells'
0069 
0070 additionalProperties: false
0071 
0072 examples:
0073   - |
0074     #include <dt-bindings/clock/qcom,gcc-sdm845.h>
0075     #include <dt-bindings/clock/qcom,rpmh.h>
0076     clock-controller@af00000 {
0077       compatible = "qcom,sdm845-dispcc";
0078       reg = <0x0af00000 0x10000>;
0079       clocks = <&rpmhcc RPMH_CXO_CLK>,
0080                <&gcc GCC_DISP_GPLL0_CLK_SRC>,
0081                <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
0082                <&dsi0_phy 0>,
0083                <&dsi0_phy 1>,
0084                <&dsi1_phy 0>,
0085                <&dsi1_phy 1>,
0086                <&dp_phy 0>,
0087                <&dp_phy 1>;
0088       clock-names = "bi_tcxo",
0089                     "gcc_disp_gpll0_clk_src",
0090                     "gcc_disp_gpll0_div_clk_src",
0091                     "dsi0_phy_pll_out_byteclk",
0092                     "dsi0_phy_pll_out_dsiclk",
0093                     "dsi1_phy_pll_out_byteclk",
0094                     "dsi1_phy_pll_out_dsiclk",
0095                     "dp_link_clk_divsel_ten",
0096                     "dp_vco_divided_clk_src_mux";
0097       #clock-cells = <1>;
0098       #reset-cells = <1>;
0099       #power-domain-cells = <1>;
0100     };
0101 ...