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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Document bindings for the Parade PS8830 Type-C retimer. This retimer is currently found on all boards featuring Qualcomm Snapdragon X Elite SoCs and it is needed to provide altmode muxing between DP and USB, but also connector orientation handling between. Signed-off-by: Abel Vesa --- .../devicetree/bindings/usb/parade,ps8830.yaml | 129 +++++++++++++++++++++ 1 file changed, 129 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/parade,ps8830.yaml b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml new file mode 100644 index 0000000000000000000000000000000000000000..ee4c69eca6066e4da0373fad6c25d6e9fff83366 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml @@ -0,0 +1,129 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/parade,ps8830.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Parade PS8830 USB and DisplayPort Retimer + +maintainers: + - Abel Vesa + +properties: + compatible: + enum: + - parade,ps8830 + + reg: + maxItems: 1 + + clocks: + items: + - description: XO Clock + + clock-names: + items: + - const: xo + + ps8830,boot-on: + description: Left enabled at boot, so skip resetting + type: boolean + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: power supply (1.07V) + + vdd33-supply: + description: power supply (3.3V) + + vdd33-cap-supply: + description: power supply (3.3V) + + vddar-supply: + description: power supply (1.07V) + + vddat-supply: + description: power supply (1.07V) + + vddio-supply: + description: power supply (1.2V or 1.8V) + +required: + - compatible + - reg + - clocks + - clock-names + - reset-gpios + - vdd-supply + - vdd33-supply + - vdd33-cap-supply + - vddat-supply + - vddio-supply + - orientation-switch + - retimer-switch + +allOf: + - $ref: usb-switch.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + typec-mux@8 { + compatible = "parade,ps8830"; + reg = <0x8>; + + clocks = <&clk_rtmr_xo>; + clock-names = "xo"; + + vdd-supply = <&vreg_rtmr_1p15>; + vdd33-supply = <&vreg_rtmr_3p3>; + vdd33-cap-supply = <&vreg_rtmr_3p3>; + vddar-supply = <&vreg_rtmr_1p15>; + vddat-supply = <&vreg_rtmr_1p15>; + vddio-supply = <&vreg_rtmr_1p8>; + + reset-gpios = <&tlmm 10 GPIO_ACTIVE_LOW>; + + retimer-switch; + orientation-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + endpoint { + remote-endpoint = <&typec_con_ss>; + }; + }; + + port@1 { + reg = <1>; + + endpoint { + remote-endpoint = <&usb_phy_ss>; + }; + }; + + port@2 { + reg = <2>; + + endpoint { + remote-endpoint = <&typec_dp_aux>; + }; + }; + }; + }; + }; +...