Documentation/devicetree/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 DT bindings
   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,jz4780-mmc
  23         - ingenic,x1000-mmc
  24       - items:
  25         - const: ingenic,jz4770-mmc
  26         - const: ingenic,jz4760-mmc
  27
  28   reg:
  29     maxItems: 1
  30
  31   interrupts:
  32     maxItems: 1
  33
  34   clocks:
  35     maxItems: 1
  36
  37   clock-names:
  38     const: mmc
  39
  40   dmas:
  41     items:
  42       - description: DMA controller phandle and request line for RX
  43       - description: DMA controller phandle and request line for TX
  44
  45   dma-names:
  46     items:
  47       - const: rx
  48       - const: tx
  49
  50 required:
  51   - compatible
  52   - reg
  53   - interrupts
  54   - clocks
  55   - clock-names
  56   - dmas
  57   - dma-names
  58
  59 examples:
  60   - |
  61     #include <dt-bindings/clock/jz4780-cgu.h>
  62     #include <dt-bindings/dma/jz4780-dma.h>
  63     mmc0: mmc@13450000 {
  64       compatible = "ingenic,jz4780-mmc";
  65       reg = <0x13450000 0x1000>;
  66
  67       interrupt-parent = <&intc>;
  68       interrupts = <37>;
  69
  70       clocks = <&cgu JZ4780_CLK_MSC0>;
  71       clock-names = "mmc";
  72
  73       cap-sd-highspeed;
  74       cap-mmc-highspeed;
  75       cap-sdio-irq;
  76       dmas = <&dma JZ4780_DMA_MSC0_RX 0xffffffff>,
  77              <&dma JZ4780_DMA_MSC0_TX 0xffffffff>;
  78       dma-names = "rx", "tx";
  79     };