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
  7title: Ingenic SoCs MMC Controller
  8
  9maintainers:
 10  - Paul Cercueil <paul@crapouillou.net>
 11
 12allOf:
 13  - $ref: mmc-controller.yaml#
 14
 15properties:
 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
 52required:
 53  - compatible
 54  - reg
 55  - interrupts
 56  - clocks
 57  - clock-names
 58  - dmas
 59  - dma-names
 60
 61unevaluatedProperties: false
 62
 63examples:
 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    };