108 lines
2.2 KiB
YAML
108 lines
2.2 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mmc/socionext,uniphier-sd.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: UniPhier SD/SDIO/eMMC controller
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maintainers:
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- Masahiro Yamada <yamada.masahiro@socionext.com>
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properties:
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compatible:
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description: version 2.91, 3.1, 3.1.1, respectively
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enum:
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- socionext,uniphier-sd-v2.91
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- socionext,uniphier-sd-v3.1
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- socionext,uniphier-sd-v3.1.1
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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dmas:
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maxItems: 1
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dma-names:
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const: rx-tx
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reset-names:
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description: |
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There are three reset signals at maximum
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host: mandatory for all variants
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bridge: exist only for version 2.91
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hw: optional. exist if eMMC hw reset line is available
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oneOf:
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- const: host
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- items:
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- const: host
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- const: bridge
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- items:
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- const: host
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- const: hw
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- items:
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- const: host
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- const: bridge
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- const: hw
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resets:
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minItems: 1
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maxItems: 3
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allOf:
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- $ref: mmc-controller.yaml
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- if:
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properties:
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compatible:
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contains:
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const: socionext,uniphier-sd-v2.91
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then:
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properties:
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reset-names:
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contains:
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const: bridge
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else:
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properties:
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reset-names:
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not:
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contains:
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const: bridge
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- reset-names
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- resets
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unevaluatedProperties: false
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examples:
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- |
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sd: mmc@5a400000 {
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compatible = "socionext,uniphier-sd-v2.91";
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reg = <0x5a400000 0x200>;
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interrupts = <0 76 4>;
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pinctrl-names = "default", "uhs";
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pinctrl-0 = <&pinctrl_sd>;
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pinctrl-1 = <&pinctrl_sd_uhs>;
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clocks = <&mio_clk 0>;
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reset-names = "host", "bridge";
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resets = <&mio_rst 0>, <&mio_rst 3>;
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dma-names = "rx-tx";
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dmas = <&dmac 4>;
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bus-width = <4>;
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cap-sd-highspeed;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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sd-uhs-sdr50;
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};
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