renesas,mmcif.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/mmc/renesas,mmcif.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Renesas Multi Media Card Interface (MMCIF) Controller
  8
  9maintainers:
 10  - Wolfram Sang <wsa+renesas@sang-engineering.com>
 11
 12allOf:
 13  - $ref: mmc-controller.yaml
 14
 15properties:
 16  compatible:
 17    items:
 18      - enum:
 19          - renesas,mmcif-r7s72100 # RZ/A1H
 20          - renesas,mmcif-r8a73a4  # R-Mobile APE6
 21          - renesas,mmcif-r8a7740  # R-Mobile A1
 22          - renesas,mmcif-r8a7742  # RZ/G1H
 23          - renesas,mmcif-r8a7743  # RZ/G1M
 24          - renesas,mmcif-r8a7744  # RZ/G1N
 25          - renesas,mmcif-r8a7745  # RZ/G1E
 26          - renesas,mmcif-r8a7778  # R-Car M1A
 27          - renesas,mmcif-r8a7790  # R-Car H2
 28          - renesas,mmcif-r8a7791  # R-Car M2-W
 29          - renesas,mmcif-r8a7793  # R-Car M2-N
 30          - renesas,mmcif-r8a7794  # R-Car E2
 31          - renesas,mmcif-sh73a0   # SH-Mobile AG5
 32      - const: renesas,sh-mmcif
 33
 34  reg:
 35    maxItems: 1
 36
 37  interrupts: true
 38
 39  clocks:
 40    maxItems: 1
 41
 42  power-domains:
 43    maxItems: 1
 44
 45  resets:
 46    maxItems: 1
 47
 48  dmas:
 49    minItems: 2
 50    maxItems: 4
 51    description:
 52      Must contain a list of pairs of references to DMA specifiers, one for
 53      transmission, and one for reception.
 54
 55  dma-names:
 56    minItems: 2
 57    maxItems: 4
 58    items:
 59      enum:
 60        - tx
 61        - rx
 62
 63  max-frequency: true
 64
 65required:
 66  - compatible
 67  - reg
 68  - interrupts
 69  - clocks
 70  - power-domains
 71
 72if:
 73  properties:
 74    compatible:
 75      contains:
 76        const: renesas,mmcif-r7s72100
 77then:
 78  properties:
 79    interrupts:
 80      items:
 81        - description: Error interrupt
 82        - description: Normal operation interrupt
 83        - description: Card detection interrupt
 84else:
 85  if:
 86    properties:
 87      compatible:
 88        contains:
 89          enum:
 90            - renesas,mmcif-r8a7740
 91            - renesas,mmcif-sh73a0
 92  then:
 93    properties:
 94      interrupts:
 95        items:
 96          - description: Error interrupt
 97          - description: Normal operation interrupt
 98  else:
 99    if:
100      properties:
101        compatible:
102          contains:
103            enum:
104              - renesas,mmcif-r8a73a4
105              - renesas,mmcif-r8a7778
106    then:
107      properties:
108        interrupts:
109          maxItems: 1
110    else:
111      properties:
112        interrupts:
113          maxItems: 1
114      required:
115        - resets
116
117unevaluatedProperties: false
118
119examples:
120  - |
121    #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
122    #include <dt-bindings/interrupt-controller/arm-gic.h>
123    #include <dt-bindings/power/r8a7790-sysc.h>
124
125    mmcif0: mmc@ee200000 {
126            compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif";
127            reg = <0xee200000 0x80>;
128            interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
129            clocks = <&cpg CPG_MOD 315>;
130            power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
131            resets = <&cpg 315>;
132            dmas = <&dmac0 0xd1>, <&dmac0 0xd2>, <&dmac1 0xd1>, <&dmac1 0xd2>;
133            dma-names = "tx", "rx", "tx", "rx";
134            max-frequency = <97500000>;
135    };