ingenic,mmc.yaml

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    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,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     };

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sys/contrib/device-tree/Bindings/mmc/ingenic,mmc.yaml