Add bindings doc for Sunplus USB2 PHY driver Signed-off-by: Vincent Shih <vincent.sunplus@xxxxxxxxx> --- Changes in v3: - Addressed the comments from Mr. Krzysztof Kozlowski .../bindings/phy/sunplus,sp7021-usb2-phy.yaml | 73 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml b/Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml new file mode 100644 index 0000000..069d422 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/phy/sunplus,sp7021-usb2-phy.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Sunplus SP7021 USB 2.0 PHY Controller + +maintainers: + - Vincent Shih <vincent.sunplus@xxxxxxxxx> + +properties: + compatible: + const: sunplus,sp7021-usb2-phy + + reg: + items: + - description: UPHY register region + - description: MOON4 register region + + reg-names: + items: + - const: phy + - const: moon4 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + "#phy-cells": + const: 0 + + nvmem-cell-names: + description: names corresponding to the nvmem cells of disconnect voltage + const: disc_vol + + nvmem-cells: + description: nvmem cell address of disconnect voltage + maxItems: 1 + + sunplus,disc-vol-addr-off: + $ref: /schemas/types.yaml#/definitions/uint32 + description: the otp address offset of disconnect voltage + +required: + - compatible + - reg + - reg-names + - clocks + - resets + - "#phy-cells" + - nvmem-cell-names + - nvmem-cells + - sunplus,disc-vol-addr-off + +additionalProperties: false + +examples: + - | + sp_uphy0: usb-phy@9c004a80 { + compatible = "sunplus,sp7021-usb2-phy"; + reg = <0x9c004a80 0x80>, <0x9c000248 0x10>; + reg-names = "phy", "moon4"; + clocks = <&clkc 0x3d>; + resets = <&rstc 0x2d>; + #phy-cells = <0>; + nvmem-cell-names = "disc_vol"; + nvmem-cells = <&disc_vol>; + sunplus,disc-vol-addr-off = <0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 31d2ba0..989e5ba 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19227,6 +19227,7 @@ SUNPLUS USB2 PHY DRIVER M: Vincent Shih <vincent.sunplus@xxxxxxxxx> L: linux-usb@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/phy/sunplus,sp7021-usb2-phy.yaml F: drivers/phy/sunplus/Kconfig F: drivers/phy/sunplus/Makefile F: drivers/phy/sunplus/phy-sunplus-usb2.c -- 2.7.4
