From: Wesley Cheng <quic_wcheng@xxxxxxxxxxx> On SM8750, the M31 eUSB2 PHY is being used to support USB2. Add the binding definition for the PHY driver. Signed-off-by: Wesley Cheng <quic_wcheng@xxxxxxxxxxx> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx> --- .../bindings/phy/qcom,m31-eusb2-phy.yaml | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml new file mode 100644 index 0000000000000000000000000000000000000000..5eba90e270e2b90a71cc8072fefe5994cdd1f605 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/qcom,m31-eusb2-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm M31 eUSB2 phy + +maintainers: + - Wesley Cheng <quic_wcheng@xxxxxxxxxxx> + +description: + M31 based eUSB2 controller, which supports LS/FS/HS usb connectivity + on Qualcomm chipsets. It is paired with a eUSB2 repeater. + +properties: + compatible: + items: + - enum: + - qcom,sm8750-m31-eusb2-phy + + reg: + maxItems: 1 + + "#phy-cells": + const: 0 + + clocks: + items: + - description: reference clock + + clock-names: + items: + - const: ref + + resets: + maxItems: 1 + + phys: + maxItems: 1 + description: + Phandle to eUSB2 repeater + + vdd-supply: + description: + Phandle to 0.88V regulator supply to PHY digital circuit. + + vdda12-supply: + description: + Phandle to 1.2V regulator supply to PHY refclk pll block. + +required: + - compatible + - reg + - "#phy-cells" + - clocks + - clock-names + - vdd-supply + - vdda12-supply + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,sm8750-gcc.h> + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/clock/qcom,sm8750-tcsr.h> + + usb_1_hsphy: phy@88e3000 { + compatible = "qcom,sm8750-m31-eusb2-phy"; + reg = <0x88e3000 0x29c>; + + clocks = <&tcsrcc TCSR_USB2_CLKREF_EN>; + clock-names = "ref"; + + resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>; + + #phy-cells = <0>; + + vdd-supply = <&vreg_l2d_0p88>; + vdda12-supply = <&vreg_l3g_1p2>; + + }; -- 2.46.1
