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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240829-x1e80100-ps8830-v1-1-bcc4790b1d45@linaro.org> References: <20240829-x1e80100-ps8830-v1-0-bcc4790b1d45@linaro.org> In-Reply-To: <20240829-x1e80100-ps8830-v1-0-bcc4790b1d45@linaro.org> To: Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Bjorn Andersson , Konrad Dybcio , Rajendra Nayak , Sibi Sankar , Johan Hovold , Dmitry Baryshkov , Trilok Soni , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, Abel Vesa X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3619; i=abel.vesa@linaro.org; h=from:subject:message-id; bh=n7pO6TZg1rTpjAvcXvCGlTe9QdrHRreecXTs9IhTq0g=; b=owEBbQKS/ZANAwAKARtfRMkAlRVWAcsmYgBm0MGSABNytBc7jJFT3MyedHlLG/FnajAQWrhZN HHqoX46UVWJAjMEAAEKAB0WIQRO8+4RTnqPKsqn0bgbX0TJAJUVVgUCZtDBkgAKCRAbX0TJAJUV VsD4D/9mD4aGxjcmydEHeuoT1ew9KG/lleYxaNlJ91umCtMU/VfUM/dN08TAKdS7I66HKZaL6Nj G/63qymMKHjT4zJS80hXbvjL4R56tRkmAbgHl5LobnytujaEcgGTwoiZNqYBm3vUuCK7/lTGtlJ XKCxTKakweu+diX3vCaubsgP3xqAUuNqS8P0smOCYHCUu5FHqe/GpqpcMu/oYiAwY4kjO/nSthk aa4bi3I+h5Hd8tOU0edUnNv31mkJsCcYTVzFsCQuExuw0Nk6dlFGO2qmOG/NY81pev6SIgC5EO7 VHQYcCq6SSAHLIIHTFP7MfRgIOFKdlKP7ymCqJDyoTykQJEKP8lL32Sq3hjtyBnzataiFM7pblS mqvYDjy+l7xAAt9wvDJRVyWVaZj8Jnug8H3e+qeDZzkGCA3KstoZwAaUKiaSIQGCg2vS8Ry66/b 4ai0DjtE5/cWI9iTlsFP82TE/Min0bO6VzW++BpEBCtHbBnEkzt4U9/FYrOT+TajaHpQFtIDg+X S/2v+qruPjDzm6BRf3gCopJDzuhN05eVB/YDCI+5XwLCa2iHUQ7Uy1ULuZymKVe27S4T7LBRkHP 6jF5+9H7mZM+5H1LFQ5IZ9cmgTZZMn6VBr1og85JN4v/O10oCamAbZNHBjdFbvvtvOOBwDOLXAB BUerWQGZfZ/qp0Q== X-Developer-Key: i=abel.vesa@linaro.org; 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. Signed-off-by: Abel Vesa Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/usb/parade,ps8830.yaml | 117 +++++++++++++++++= ++++ 1 file changed, 117 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/parade,ps8830.yaml b/Doc= umentation/devicetree/bindings/usb/parade,ps8830.yaml new file mode 100644 index 000000000000..1223abf5c2f8 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml @@ -0,0 +1,117 @@ +# 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 + + reset-gpios: + maxItems: 1 + + vdd15-supply: + description: power supply (1.5V) + + vdd18-supply: + description: power supply (1.8V) + + vdd33-supply: + description: power supply (3.3V) + + orientation-switch: true + retimer-switch: true + + ports: + $ref: /schemas/graph.yaml#/properties/ports + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Super Speed (SS) Output endpoint to the Type-C connec= tor + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + description: Super Speed (SS) Input endpoint from the Super-Speed = PHY + unevaluatedProperties: false + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: + Sideband Use (SBU) AUX lines endpoint to the Type-C connector fo= r the purpose of + handling altmode muxing and orientation switching. + +required: + - compatible + - reg + +allOf: + - $ref: usb-switch.yaml# + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + typec-mux@8 { + compatible =3D "parade,ps8830"; + reg =3D <0x8>; + + vdd15-supply =3D <&vreg_rtmr_1p15>; + vdd18-supply =3D <&vreg_rtmr_1p8>; + vdd33-supply =3D <&vreg_rtmr_3p3>; + + reset-gpios =3D <&pm8550_gpios 10 GPIO_ACTIVE_HIGH>; + + retimer-switch; + orientation-switch; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + usb_con_ss: endpoint { + remote-endpoint =3D <&typec_con_ss>; + }; + }; + port@1 { + reg =3D <1>; + phy_con_ss: endpoint { + remote-endpoint =3D <&usb_phy_ss>; + data-lanes =3D <3 2 1 0>; + }; + }; + port@2 { + reg =3D <2>; + usb_con_sbu: endpoint { + remote-endpoint =3D <&typec_dp_aux>; + }; + }; + }; + }; + }; +... --=20 2.34.1