socionext,uniphier-sd.yaml (2207B)
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 7title: UniPhier SD/SDIO/eMMC controller 8 9maintainers: 10 - Masahiro Yamada <yamada.masahiro@socionext.com> 11 12properties: 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 29 dmas: 30 maxItems: 1 31 32 dma-names: 33 const: rx-tx 34 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: 44 - const: host 45 - const: bridge 46 - items: 47 - const: host 48 - const: hw 49 - items: 50 - const: host 51 - const: bridge 52 - const: hw 53 54 resets: 55 minItems: 1 56 maxItems: 3 57 58allOf: 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 78required: 79 - compatible 80 - reg 81 - interrupts 82 - clocks 83 - reset-names 84 - resets 85 86unevaluatedProperties: false 87 88examples: 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 };