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Diffstat (limited to 'Documentation/devicetree/bindings/display/samsung/samsung,exynos-hdmi.yaml')
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diff --git a/Documentation/devicetree/bindings/display/samsung/samsung,exynos-hdmi.yaml b/Documentation/devicetree/bindings/display/samsung/samsung,exynos-hdmi.yaml new file mode 100644 index 000000000..e4a68c5a1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/samsung/samsung,exynos-hdmi.yaml @@ -0,0 +1,226 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/samsung/samsung,exynos-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos SoC HDMI + +maintainers: + - Inki Dae <inki.dae@samsung.com> + - Seung-Woo Kim <sw0312.kim@samsung.com> + - Kyungmin Park <kyungmin.park@samsung.com> + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + enum: + - samsung,exynos4210-hdmi + - samsung,exynos4212-hdmi + - samsung,exynos5420-hdmi + - samsung,exynos5433-hdmi + + clocks: + minItems: 5 + maxItems: 10 + + clock-names: + minItems: 5 + maxItems: 10 + + ddc: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the HDMI DDC node. + + hdmi-en-supply: + description: + Provides voltage source for DCC lines available on HDMI connector. When + there is no power provided for DDC epprom, some TV-sets do not pulls up + HPD (hot plug detect) line, what causes HDMI block to stay turned off. + When provided, the regulator allows TV-set correctly signal HPD event. + + hpd-gpios: + maxItems: 1 + description: + A GPIO line connected to HPD + + interrupts: + maxItems: 1 + + phy: + $ref: /schemas/types.yaml#/definitions/phandle + description: Phandle to the HDMI PHY node. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: + Contains a port which is connected to mic node. + + power-domains: + maxItems: 1 + + reg: + maxItems: 1 + + samsung,syscon-phandle: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the PMU system controller node. + + samsung,sysreg-phandle: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to DISP system controller interface. + + '#sound-dai-cells': + const: 0 + + vdd-supply: + description: + VDD 1.0V HDMI TX. + + vdd_osc-supply: + description: + VDD 1.8V HDMI OSC. + + vdd_pll-supply: + description: + VDD 1.0V HDMI PLL. + +required: + - compatible + - clocks + - clock-names + - ddc + - hpd-gpios + - interrupts + - phy + - reg + - samsung,syscon-phandle + - '#sound-dai-cells' + - vdd-supply + - vdd_osc-supply + - vdd_pll-supply + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,exynos5433-hdmi + then: + properties: + clocks: + items: + - description: Gate of HDMI IP APB bus. + - description: Gate of HDMI-PHY IP APB bus. + - description: Gate of HDMI TMDS clock. + - description: Gate of HDMI pixel clock. + - description: TMDS clock generated by HDMI-PHY. + - description: MUX used to switch between oscclk and tmds_clko, + respectively if HDMI-PHY is off and operational. + - description: Pixel clock generated by HDMI-PHY. + - description: MUX used to switch between oscclk and pixel_clko, + respectively if HDMI-PHY is off and operational. + - description: Oscillator clock, used as parent of following *_user + clocks in case HDMI-PHY is not operational. + - description: Gate of HDMI SPDIF clock. + clock-names: + items: + - const: hdmi_pclk + - const: hdmi_i_pclk + - const: i_tmds_clk + - const: i_pixel_clk + - const: tmds_clko + - const: tmds_clko_user + - const: pixel_clko + - const: pixel_clko_user + - const: oscclk + - const: i_spdif_clk + required: + - samsung,sysreg-phandle + else: + properties: + clocks: + items: + - description: Gate of HDMI IP bus clock. + - description: Gate of HDMI special clock. + - description: Pixel special clock, one of the two possible inputs + of HDMI clock mux. + - description: HDMI PHY clock output, one of two possible inputs of + HDMI clock mux. + - description: It is required by the driver to switch between the 2 + parents i.e. sclk_pixel and sclk_hdmiphy. If hdmiphy is stable + after configuration, parent is set to sclk_hdmiphy else + sclk_pixel. + clock-names: + items: + - const: hdmi + - const: sclk_hdmi + - const: sclk_pixel + - const: sclk_hdmiphy + - const: mout_hdmi + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5433.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + hdmi@13970000 { + compatible = "samsung,exynos5433-hdmi"; + reg = <0x13970000 0x70000>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cmu_disp CLK_PCLK_HDMI>, + <&cmu_disp CLK_PCLK_HDMIPHY>, + <&cmu_disp CLK_PHYCLK_HDMIPHY_TMDS_CLKO>, + <&cmu_disp CLK_PHYCLK_HDMI_PIXEL>, + <&cmu_disp CLK_PHYCLK_HDMIPHY_TMDS_CLKO_PHY>, + <&cmu_disp CLK_MOUT_PHYCLK_HDMIPHY_TMDS_CLKO_USER>, + <&cmu_disp CLK_PHYCLK_HDMIPHY_PIXEL_CLKO_PHY>, + <&cmu_disp CLK_MOUT_PHYCLK_HDMIPHY_PIXEL_CLKO_USER>, + <&xxti>, + <&cmu_disp CLK_SCLK_HDMI_SPDIF>; + clock-names = "hdmi_pclk", + "hdmi_i_pclk", + "i_tmds_clk", + "i_pixel_clk", + "tmds_clko", + "tmds_clko_user", + "pixel_clko", + "pixel_clko_user", + "oscclk", + "i_spdif_clk"; + phy = <&hdmiphy>; + ddc = <&hsi2c_11>; + samsung,syscon-phandle = <&pmu_system_controller>; + samsung,sysreg-phandle = <&syscon_disp>; + #sound-dai-cells = <0>; + + hpd-gpios = <&gpa3 0 GPIO_ACTIVE_HIGH>; + vdd-supply = <&ldo6_reg>; + vdd_osc-supply = <&ldo7_reg>; + vdd_pll-supply = <&ldo6_reg>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + hdmi_to_tv: endpoint { + remote-endpoint = <&tv_to_hdmi>; + }; + }; + + port@1 { + reg = <1>; + hdmi_to_mhl: endpoint { + remote-endpoint = <&mhl_to_hdmi>; + }; + }; + }; + }; |