Add Mediatek HDMI and HDMI-DDC bindings for MT8195 SoC.

Signed-off-by: Guillaume Ranquet granquet@baylibre.com --- .../mediatek/mediatek,mt8195-hdmi-ddc.yaml | 45 +++++++++ .../mediatek/mediatek,mt8195-hdmi.yaml | 98 +++++++++++++++++++ 2 files changed, 143 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi-ddc.yaml create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml

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 0000000000000..3c80bcebe6d30 --- /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 Device Tree Bindings for mt8195 + +maintainers: + - CK Hu ck.hu@mediatek.com + - Jitao shi jitao.shi@mediatek.com + +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 + + clock-names: + items: + - const: ddc-i2c + +required: + - compatible + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + hdmiddc0: ddc_i2c { + compatible = "mediatek,mt8195-hdmi-ddc"; + clocks = <&clk26m>; + clock-names = "ddc-i2c"; + }; + +... diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml new file mode 100644 index 0000000000000..17e542809a4e7 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8195-hdmi.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8195-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek HDMI Encoder Device Tree Bindings for mt8195 + +maintainers: + - CK Hu ck.hu@mediatek.com + - Jitao shi jitao.shi@mediatek.com + +description: | + The Mediatek HDMI encoder can generate HDMI 1.4a or MHL 2.0 signals from + its parallel input. + +properties: + compatible: + enum: + - mediatek,mt8195-hdmi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: PLL divider + - description: PLL divider + - description: HDCP engine clock + - description: PLL divider + - description: HDCP engine clock + - description: Bus clock + - description: Clock for splitting HDMI/DGI into two pipes + + clock-names: + items: + - const: univpll_d6_d4 + - const: msdcpll_d2 + - const: hdmi_apb_sel + - const: univpll_d4_d8 + - const: hdcp_sel + - const: hdcp24_sel + - const: split_hdmi + + phys: + maxItems: 1 + + phy-names: + items: + - const: hdmi + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - phys + - phy-names + - ddc-i2c-bus + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + hdmi0: hdmi@1c300000 { + compatible = "mediatek,mt8195-hdmi"; + reg = <0 0x1c300000 0 0x1000>; + power-domains = <&spm 25>; + clocks = <&topckgen 153>, + <&topckgen 86>, + <&topckgen 78>, + <&topckgen 146>, + <&topckgen 73>, + <&topckgen 74>, + <&vppsys1 44>; + clock-names = "univpll_d6_d4", + "msdcpll_d2", + "hdmi_apb_sel", + "univpll_d4_d8", + "hdcp_sel", + "hdcp24_sel", + "split_hdmi"; + interrupts = <GIC_SPI 677 IRQ_TYPE_LEVEL_HIGH 0>; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_pin>; + phys = <&hdmi_phy>; + phy-names = "hdmi"; + ddc-i2c-bus = <&hdmiddc0>; + status = "disabled"; + }; + +...