Convert txt bindings of Rockchip EMMC PHY to dtschema to allow for validation. Signed-off-by: Shresth Prasad <shresthprasad7@xxxxxxxxx> --- Tested against `rockchip/rk3399-firefly.dtb`, `rockchip/rk3399-orangepi.dtb` and `rockchip/rk3399-pinebook-pro.dtb`. .../bindings/phy/rockchip,emmc-phy.yaml | 78 +++++++++++++++++++ .../bindings/phy/rockchip-emmc-phy.txt | 43 ---------- 2 files changed, 78 insertions(+), 43 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml delete mode 100644 Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt diff --git a/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml new file mode 100644 index 000000000000..bd8485c77bfe --- /dev/null +++ b/Documentation/devicetree/bindings/phy/rockchip,emmc-phy.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/rockchip,emmc-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip EMMC PHY + +maintainers: + - Shresth Prasad <shresthprasad7@xxxxxxxxx> + +properties: + "#phy-cells": + const: 0 + + compatible: + const: rockchip,rk3399-emmc-phy + + reg: + description: + PHY register address offset and length in "general register files" + maxItems: 1 + + clock-names: + description: | + Although this is not a required property (because most boards can get + basic functionality without having access to it), it is strongly + suggested. + const: emmcclk + + clocks: + description: + Should have a phandle to the card clock exported by the SDHCI driver. + maxItems: 1 + + drive-impedance-ohm: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Specifies the drive impedance in Ohm. + enum: [33, 40, 50, 66, 100] + default: 50 + + rockchip,enable-strobe-pulldown: + type: boolean + description: | + Enable internal pull-down for the strobe + line. If not set, pull-down is not used. + + rockchip,output-tapdelay-select: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Specifies the phyctrl_otapdlysec register. + default: 0x4 + maximum: 0xf + +required: + - "#phy-cells" + - compatible + - reg + +additionalProperties: false + +examples: + - | + grf { + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + + emmcphy: phy@f780 { + #phy-cells = <0>; + compatible = "rockchip,rk3399-emmc-phy"; + reg = <0xf780 0x20>; + clocks = <&sdhci>; + clock-names = "emmcclk"; + drive-impedance-ohm = <50>; + }; + }; diff --git a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt b/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt deleted file mode 100644 index 57d28c0d5696..000000000000 --- a/Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt +++ /dev/null @@ -1,43 +0,0 @@ -Rockchip EMMC PHY ------------------------ - -Required properties: - - compatible: rockchip,rk3399-emmc-phy - - #phy-cells: must be 0 - - reg: PHY register address offset and length in "general - register files" - -Optional properties: - - clock-names: Should contain "emmcclk". Although this is listed as optional - (because most boards can get basic functionality without having - access to it), it is strongly suggested. - See ../clock/clock-bindings.txt for details. - - clocks: Should have a phandle to the card clock exported by the SDHCI driver. - - drive-impedance-ohm: Specifies the drive impedance in Ohm. - Possible values are 33, 40, 50, 66 and 100. - If not set, the default value of 50 will be applied. - - rockchip,enable-strobe-pulldown: Enable internal pull-down for the strobe - line. If not set, pull-down is not used. - - rockchip,output-tapdelay-select: Specifies the phyctrl_otapdlysec register. - If not set, the register defaults to 0x4. - Maximum value 0xf. - -Example: - - -grf: syscon@ff770000 { - compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; - #address-cells = <1>; - #size-cells = <1>; - -... - - emmcphy: phy@f780 { - compatible = "rockchip,rk3399-emmc-phy"; - reg = <0xf780 0x20>; - clocks = <&sdhci>; - clock-names = "emmcclk"; - drive-impedance-ohm = <50>; - #phy-cells = <0>; - }; -}; -- 2.45.2
