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