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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e245c725c7
Convert txt bindings of Rockchip EMMC PHY to dtschema to allow for validation. Signed-off-by: Shresth Prasad <shresthprasad7@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240620212806.3011-2-shresthprasad7@gmail.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
65 lines
1.2 KiB
YAML
65 lines
1.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/rockchip,rk3399-emmc-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip EMMC PHY
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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const: rockchip,rk3399-emmc-phy
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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const: emmcclk
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drive-impedance-ohm:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Specifies the drive impedance in Ohm.
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enum: [33, 40, 50, 66, 100]
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default: 50
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rockchip,enable-strobe-pulldown:
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type: boolean
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description: |
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Enable internal pull-down for the strobe
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line. If not set, pull-down is not used.
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rockchip,output-tapdelay-select:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Specifies the phyctrl_otapdlysec register.
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default: 0x4
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maximum: 0xf
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"#phy-cells":
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const: 0
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required:
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- compatible
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- reg
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- "#phy-cells"
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additionalProperties: false
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examples:
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- |
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phy@f780 {
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compatible = "rockchip,rk3399-emmc-phy";
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reg = <0xf780 0x20>;
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clocks = <&sdhci>;
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clock-names = "emmcclk";
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drive-impedance-ohm = <50>;
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#phy-cells = <0>;
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};
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