Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | }; |