Bindings/mmc/ingenic,mmc.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/ingenic,mmc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ingenic SoCs MMC Controller
   8
   9 maintainers:
  10   - Paul Cercueil <paul@crapouillou.net>
  11
  12 allOf:
  13   - $ref: mmc-controller.yaml#
  14
  15 properties:
  16   compatible:
  17     oneOf:
  18       - enum:
  19           - ingenic,jz4740-mmc
  20           - ingenic,jz4725b-mmc
  21           - ingenic,jz4760-mmc
  22           - ingenic,jz4775-mmc
  23           - ingenic,jz4780-mmc
  24           - ingenic,x1000-mmc
  25       - items:
  26           - const: ingenic,jz4770-mmc
  27           - const: ingenic,jz4760-mmc
  28
  29   reg:
  30     maxItems: 1
  31
  32   interrupts:
  33     maxItems: 1
  34
  35   clocks:
  36     maxItems: 1
  37
  38   clock-names:
  39     const: mmc
  40
  41   dmas:
  42     minItems: 1
  43     maxItems: 2
  44
  45   dma-names:
  46     oneOf:
  47       - items:
  48           - const: rx
  49           - const: tx
  50       - const: tx-rx
  51
  52 required:
  53   - compatible
  54   - reg
  55   - interrupts
  56   - clocks
  57   - clock-names
  58   - dmas
  59   - dma-names
  60
  61 unevaluatedProperties: false
  62
  63 examples:
  64   - |
  65     #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
  66     #include <dt-bindings/dma/jz4780-dma.h>
  67     mmc0: mmc@13450000 {
  68       compatible = "ingenic,jz4780-mmc";
  69       reg = <0x13450000 0x1000>;
  70
  71       interrupt-parent = <&intc>;
  72       interrupts = <37>;
  73
  74       clocks = <&cgu JZ4780_CLK_MSC0>;
  75       clock-names = "mmc";
  76
  77       cap-sd-highspeed;
  78       cap-mmc-highspeed;
  79       cap-sdio-irq;
  80       dmas = <&dma JZ4780_DMA_MSC0_RX 0xffffffff>,
  81              <&dma JZ4780_DMA_MSC0_TX 0xffffffff>;
  82       dma-names = "rx", "tx";
  83     };
  84   - |
  85     #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
  86     #include <dt-bindings/dma/jz4780-dma.h>
  87     /*
  88      * Alternative version of the example above,
  89      * but using one single DMA channel for both
  90      * TX and RX.
  91      */
  92     mmc1: mmc@13460000 {
  93       compatible = "ingenic,jz4780-mmc";
  94       reg = <0x13460000 0x1000>;
  95
  96       interrupt-parent = <&intc>;
  97       interrupts = <36>;
  98
  99       clocks = <&cgu JZ4780_CLK_MSC1>;
 100       clock-names = "mmc";
 101
 102       cap-sd-highspeed;
 103       cap-mmc-highspeed;
 104       cap-sdio-irq;
 105       dmas = <&dma JZ4780_DMA_MSC1_TX JZ4780_DMA_MSC1_RX 0xffffffff>;
 106       dma-names = "tx-rx";
 107     };