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Diffstat (limited to 'Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml')
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1 files changed, 101 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml new file mode 100644 index 000000000..4a3be733d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,sdm845-dispcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Display Clock & Reset Controller Binding for SDM845 + +maintainers: + - Taniya Das <tdas@codeaurora.org> + +description: | + Qualcomm display clock control module which supports the clocks, resets and + power domains on SDM845. + + See also dt-bindings/clock/qcom,dispcc-sdm845.h. + +properties: + compatible: + const: qcom,sdm845-dispcc + + # NOTE: sdm845.dtsi existed for quite some time and specified no clocks. + # The code had to use hardcoded mechanisms to find the input clocks. + # New dts files should have these clocks. + clocks: + items: + - description: Board XO source + - description: GPLL0 source from GCC + - description: GPLL0 div source from GCC + - description: Byte clock from DSI PHY0 + - description: Pixel clock from DSI PHY0 + - description: Byte clock from DSI PHY1 + - description: Pixel clock from DSI PHY1 + - description: Link clock from DP PHY + - description: VCO DIV clock from DP PHY + + clock-names: + items: + - const: bi_tcxo + - const: gcc_disp_gpll0_clk_src + - const: gcc_disp_gpll0_div_clk_src + - const: dsi0_phy_pll_out_byteclk + - const: dsi0_phy_pll_out_dsiclk + - const: dsi1_phy_pll_out_byteclk + - const: dsi1_phy_pll_out_dsiclk + - const: dp_link_clk_divsel_ten + - const: dp_vco_divided_clk_src_mux + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + '#power-domain-cells': + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-sdm845.h> + #include <dt-bindings/clock/qcom,rpmh.h> + clock-controller@af00000 { + compatible = "qcom,sdm845-dispcc"; + reg = <0x0af00000 0x10000>; + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_DISP_GPLL0_CLK_SRC>, + <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>, + <&dsi0_phy 0>, + <&dsi0_phy 1>, + <&dsi1_phy 0>, + <&dsi1_phy 1>, + <&dp_phy 0>, + <&dp_phy 1>; + clock-names = "bi_tcxo", + "gcc_disp_gpll0_clk_src", + "gcc_disp_gpll0_div_clk_src", + "dsi0_phy_pll_out_byteclk", + "dsi0_phy_pll_out_dsiclk", + "dsi1_phy_pll_out_byteclk", + "dsi1_phy_pll_out_dsiclk", + "dp_link_clk_divsel_ten", + "dp_vco_divided_clk_src_mux"; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; +... |