Convert QUSB2 phy bindings to DT schema format using json-schema. Signed-off-by: Sandeep Maheswaram <sanm@xxxxxxxxxxxxxx> --- .../devicetree/bindings/phy/qcom,qusb2-phy.yaml | 142 +++++++++++++++++++++ .../devicetree/bindings/phy/qcom-qusb2-phy.txt | 68 ---------- 2 files changed, 142 insertions(+), 68 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml delete mode 100644 Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml new file mode 100644 index 0000000..90b3cc6 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml @@ -0,0 +1,142 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/phy/qcom,qusb2-phy.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Qualcomm QUSB2 phy controller + +maintainers: + - Manu Gautam <mgautam@xxxxxxxxxxxxxx> + +description: + QUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets. + +properties: + compatible: + enum: + - qcom,msm8996-qusb2-phy + - qcom,msm8998-qusb2-phy + - qcom,sdm845-qusb2-phy + reg: + maxItems: 1 + + "#phy-cells": + const: 0 + + clocks: + minItems: 2 + items: + - description: phy config clock + - description: 19.2 MHz ref clk + - description: phy interface clock (Optional) + + clock-names: + minItems: 2 + items: + - const: cfg_ahb + - const: ref + - const: iface + + vdda-pll-supply: + description: + Phandle to 1.8V regulator supply to PHY refclk pll block. + + vdda-phy-dpdm-supply: + description: + Phandle to 3.1V regulator supply to Dp/Dm port signals. + + resets: + maxItems: 1 + + nvmem-cells: + maxItems: 1 + description: + Phandle to nvmem cell that contains 'HS Tx trim' + tuning parameter value for qusb2 phy. + + qcom,tcsr-syscon: + description: + Phandle to TCSR syscon register region. + $ref: /schemas/types.yaml#/definitions/cell + + qcom,imp-res-offset-value: + description: + It is a 6 bit value that specifies offset to be + added to PHY refgen RESCODE via IMP_CTRL1 register. It is a PHY + tuning parameter that may vary for different boards of same SOC. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 63 + default: 0 + + qcom,hstx-trim-value: + description: + It is a 4 bit value that specifies tuning for HSTX + output current. + Possible range is - 15mA to 24mA (stepsize of 600 uA). + See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 15 + default: 3 + + qcom,preemphasis-level: + description: + It is a 2 bit value that specifies pre-emphasis level. + Possible range is 0 to 15% (stepsize of 5%). + See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 3 + default: 2 + + qcom,preemphasis-width: + description: + It is a 1 bit value that specifies how long the HSTX + pre-emphasis (specified using qcom,preemphasis-level) must be in + effect. Duration could be half-bit of full-bit. + See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. + This property is applicable to only QUSB2 v2 PHY. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - minimum: 0 + maximum: 1 + default: 0 + +required: + - compatible + - reg + - "#phy-cells" + - clocks + - clock-names + - vdda-pll-supply + - vdda-phy-dpdm-supply + - resets + + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8996.h> + hsusb_phy: phy@7411000 { + compatible = "qcom,msm8996-qusb2-phy"; + reg = <0x7411000 0x180>; + #phy-cells = <0>; + + clocks = <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>, + <&gcc GCC_RX1_USB2_CLKREF_CLK>; + clock-names = "cfg_ahb", "ref"; + + vdda-pll-supply = <&pm8994_l12>; + vdda-phy-dpdm-supply = <&pm8994_l24>; + + resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>; + nvmem-cells = <&qusb2p_hstx_trim>; + }; diff --git a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt deleted file mode 100644 index fe29f9e..0000000 --- a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt +++ /dev/null @@ -1,68 +0,0 @@ -Qualcomm QUSB2 phy controller -============================= - -QUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets. - -Required properties: - - compatible: compatible list, contains - "qcom,msm8996-qusb2-phy" for 14nm PHY on msm8996, - "qcom,msm8998-qusb2-phy" for 10nm PHY on msm8998, - "qcom,sdm845-qusb2-phy" for 10nm PHY on sdm845. - - - reg: offset and length of the PHY register set. - - #phy-cells: must be 0. - - - clocks: a list of phandles and clock-specifier pairs, - one for each entry in clock-names. - - clock-names: must be "cfg_ahb" for phy config clock, - "ref" for 19.2 MHz ref clk, - "iface" for phy interface clock (Optional). - - - vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block. - - vdda-phy-dpdm-supply: Phandle to 3.1V regulator supply to Dp/Dm port signals. - - - resets: Phandle to reset to phy block. - -Optional properties: - - nvmem-cells: Phandle to nvmem cell that contains 'HS Tx trim' - tuning parameter value for qusb2 phy. - - - qcom,tcsr-syscon: Phandle to TCSR syscon register region. - - qcom,imp-res-offset-value: It is a 6 bit value that specifies offset to be - added to PHY refgen RESCODE via IMP_CTRL1 register. It is a PHY - tuning parameter that may vary for different boards of same SOC. - This property is applicable to only QUSB2 v2 PHY (sdm845). - - qcom,hstx-trim-value: It is a 4 bit value that specifies tuning for HSTX - output current. - Possible range is - 15mA to 24mA (stepsize of 600 uA). - See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. - This property is applicable to only QUSB2 v2 PHY (sdm845). - Default value is 22.2mA for sdm845. - - qcom,preemphasis-level: It is a 2 bit value that specifies pre-emphasis level. - Possible range is 0 to 15% (stepsize of 5%). - See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. - This property is applicable to only QUSB2 v2 PHY (sdm845). - Default value is 10% for sdm845. -- qcom,preemphasis-width: It is a 1 bit value that specifies how long the HSTX - pre-emphasis (specified using qcom,preemphasis-level) must be in - effect. Duration could be half-bit of full-bit. - See dt-bindings/phy/phy-qcom-qusb2.h for applicable values. - This property is applicable to only QUSB2 v2 PHY (sdm845). - Default value is full-bit width for sdm845. - -Example: - hsusb_phy: phy@7411000 { - compatible = "qcom,msm8996-qusb2-phy"; - reg = <0x7411000 0x180>; - #phy-cells = <0>; - - clocks = <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>, - <&gcc GCC_RX1_USB2_CLKREF_CLK>, - clock-names = "cfg_ahb", "ref"; - - vdda-pll-supply = <&pm8994_l12>; - vdda-phy-dpdm-supply = <&pm8994_l24>; - - resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>; - nvmem-cells = <&qusb2p_hstx_trim>; - }; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
