Add mt8195 SoC bindings for hdmi and hdmi-ddc On mt8195 the ddc i2c controller is part of the hdmi IP block and thus has no specific register range, power domain or interrupt, making it simpler than the legacy "mediatek,hdmi-ddc" binding. Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx> --- .../bindings/display/mediatek/mediatek,hdmi.yaml | 59 ++++++++++++++++++---- .../display/mediatek/mediatek,mt8195-hdmi-ddc.yaml | 45 +++++++++++++++++ 2 files changed, 93 insertions(+), 11 deletions(-) diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml index b90b6d18a828..4f62e6b94048 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,hdmi.yaml @@ -21,6 +21,7 @@ properties: - mediatek,mt7623-hdmi - mediatek,mt8167-hdmi - mediatek,mt8173-hdmi + - mediatek,mt8195-hdmi reg: maxItems: 1 @@ -29,18 +30,10 @@ properties: maxItems: 1 clocks: - items: - - description: Pixel Clock - - description: HDMI PLL - - description: Bit Clock - - description: S/PDIF Clock + maxItems: 4 clock-names: - items: - - const: pixel - - const: pll - - const: bclk - - const: spdif + maxItems: 4 phys: maxItems: 1 @@ -58,6 +51,9 @@ properties: description: | phandle link and register offset to the system configuration registers. + power-domains: + maxItems: 1 + ports: $ref: /schemas/graph.yaml#/properties/ports @@ -86,9 +82,50 @@ required: - clock-names - phys - phy-names - - mediatek,syscon-hdmi - ports +allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8195-hdmi + then: + properties: + clocks: + items: + - description: APB + - description: HDCP + - description: HDCP 24M + - description: Split HDMI + clock-names: + items: + - const: hdmi_apb_sel + - const: hdcp_sel + - const: hdcp24_sel + - const: split_hdmi + + required: + - power-domains + else: + properties: + clocks: + items: + - description: Pixel Clock + - description: HDMI PLL + - description: Bit Clock + - description: S/PDIF Clock + + clock-names: + items: + - const: pixel + - const: pll + - const: bclk + - const: spdif + + required: + - mediatek,syscon-hdmi + additionalProperties: false examples: diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml new file mode 100644 index 000000000000..84c096835b47 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek HDMI DDC for mt8195 + +maintainers: + - CK Hu <ck.hu@xxxxxxxxxxxx> + - Jitao shi <jitao.shi@xxxxxxxxxxxx> + +description: | + The HDMI DDC i2c controller is used to interface with the HDMI DDC pins. + +properties: + compatible: + enum: + - mediatek,mt8195-hdmi-ddc + + clocks: + maxItems: 1 + + mediatek,hdmi: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the mt8195 hdmi controller + +required: + - compatible + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + hdmiddc0: i2c { + compatible = "mediatek,mt8195-hdmi-ddc"; + mediatek,hdmi = <&hdmi0>; + clocks = <&clk26m>; + }; + +... -- 2.40.0