| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/mmc/socionext,uniphier-sd.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: UniPhier SD/SDIO/eMMC controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Masahiro Yamada <yamada.masahiro@socionext.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | description: version 2.91, 3.1, 3.1.1, respectively |
| 15 | enum: |
| 16 | - socionext,uniphier-sd-v2.91 |
| 17 | - socionext,uniphier-sd-v3.1 |
| 18 | - socionext,uniphier-sd-v3.1.1 |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | interrupts: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | maxItems: 1 |
| 28 | |
| Rob Herring | 4df297a | 2021-12-06 11:42:00 -0600 | [diff] [blame] | 29 | dmas: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | dma-names: |
| 33 | const: rx-tx |
| 34 | |
| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 35 | reset-names: |
| 36 | description: | |
| 37 | There are three reset signals at maximum |
| 38 | host: mandatory for all variants |
| 39 | bridge: exist only for version 2.91 |
| 40 | hw: optional. exist if eMMC hw reset line is available |
| 41 | oneOf: |
| 42 | - const: host |
| 43 | - items: |
| Rob Herring | 9f60a65 | 2020-04-15 19:55:48 -0500 | [diff] [blame] | 44 | - const: host |
| 45 | - const: bridge |
| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 46 | - items: |
| Rob Herring | 9f60a65 | 2020-04-15 19:55:48 -0500 | [diff] [blame] | 47 | - const: host |
| 48 | - const: hw |
| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 49 | - items: |
| Rob Herring | 9f60a65 | 2020-04-15 19:55:48 -0500 | [diff] [blame] | 50 | - const: host |
| 51 | - const: bridge |
| 52 | - const: hw |
| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 53 | |
| 54 | resets: |
| 55 | minItems: 1 |
| 56 | maxItems: 3 |
| 57 | |
| 58 | allOf: |
| 59 | - $ref: mmc-controller.yaml |
| 60 | |
| 61 | - if: |
| 62 | properties: |
| 63 | compatible: |
| 64 | contains: |
| 65 | const: socionext,uniphier-sd-v2.91 |
| 66 | then: |
| 67 | properties: |
| 68 | reset-names: |
| 69 | contains: |
| 70 | const: bridge |
| 71 | else: |
| 72 | properties: |
| 73 | reset-names: |
| 74 | not: |
| 75 | contains: |
| 76 | const: bridge |
| 77 | |
| 78 | required: |
| 79 | - compatible |
| 80 | - reg |
| 81 | - interrupts |
| 82 | - clocks |
| 83 | - reset-names |
| 84 | - resets |
| 85 | |
| Rob Herring | 6fdc6e2 | 2020-10-05 13:38:27 -0500 | [diff] [blame] | 86 | unevaluatedProperties: false |
| 87 | |
| Masahiro Yamada | 8dbdf23 | 2020-02-22 20:25:41 +0900 | [diff] [blame] | 88 | examples: |
| 89 | - | |
| 90 | sd: mmc@5a400000 { |
| 91 | compatible = "socionext,uniphier-sd-v2.91"; |
| 92 | reg = <0x5a400000 0x200>; |
| 93 | interrupts = <0 76 4>; |
| 94 | pinctrl-names = "default", "uhs"; |
| 95 | pinctrl-0 = <&pinctrl_sd>; |
| 96 | pinctrl-1 = <&pinctrl_sd_uhs>; |
| 97 | clocks = <&mio_clk 0>; |
| 98 | reset-names = "host", "bridge"; |
| 99 | resets = <&mio_rst 0>, <&mio_rst 3>; |
| 100 | dma-names = "rx-tx"; |
| 101 | dmas = <&dmac 4>; |
| 102 | bus-width = <4>; |
| 103 | cap-sd-highspeed; |
| 104 | sd-uhs-sdr12; |
| 105 | sd-uhs-sdr25; |
| 106 | sd-uhs-sdr50; |
| 107 | }; |