| Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [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/fsl,esdhc.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale Enhanced Secure Digital Host Controller (eSDHC) |
| 8 | |
| 9 | description: |
| 10 | The Enhanced Secure Digital Host Controller provides an interface |
| 11 | for MMC, SD, and SDIO types of memory cards. |
| 12 | |
| 13 | maintainers: |
| 14 | - Frank Li <Frank.Li@nxp.com> |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | items: |
| 19 | - enum: |
| 20 | - fsl,mpc8536-esdhc |
| 21 | - fsl,mpc8378-esdhc |
| 22 | - fsl,p2020-esdhc |
| 23 | - fsl,p4080-esdhc |
| 24 | - fsl,t1040-esdhc |
| 25 | - fsl,t4240-esdhc |
| 26 | - fsl,ls1012a-esdhc |
| 27 | - fsl,ls1028a-esdhc |
| 28 | - fsl,ls1088a-esdhc |
| 29 | - fsl,ls1043a-esdhc |
| 30 | - fsl,ls1046a-esdhc |
| 31 | - fsl,ls2080a-esdhc |
| 32 | - const: fsl,esdhc |
| 33 | |
| 34 | reg: |
| 35 | maxItems: 1 |
| 36 | |
| 37 | interrupts: |
| 38 | maxItems: 1 |
| 39 | |
| 40 | clocks: |
| 41 | maxItems: 1 |
| 42 | |
| 43 | clock-frequency: |
| 44 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 45 | description: specifies eSDHC base clock frequency. |
| 46 | |
| 47 | sdhci,wp-inverted: |
| 48 | $ref: /schemas/types.yaml#/definitions/flag |
| 49 | deprecated: true |
| 50 | description: |
| 51 | specifies that eSDHC controller reports |
| 52 | inverted write-protect state; New devices should use the generic |
| 53 | "wp-inverted" property. |
| 54 | |
| 55 | sdhci,1-bit-only: |
| 56 | $ref: /schemas/types.yaml#/definitions/flag |
| 57 | deprecated: true |
| 58 | description: |
| 59 | specifies that a controller can only handle |
| 60 | 1-bit data transfers. New devices should use the generic |
| 61 | "bus-width = <1>" property. |
| 62 | |
| 63 | sdhci,auto-cmd12: |
| 64 | $ref: /schemas/types.yaml#/definitions/flag |
| 65 | description: |
| 66 | specifies that a controller can only handle auto CMD12. |
| 67 | |
| 68 | voltage-ranges: |
| 69 | $ref: /schemas/types.yaml#/definitions/uint32-matrix |
| 70 | items: |
| 71 | items: |
| 72 | - description: specifies minimum slot voltage (mV). |
| 73 | - description: specifies maximum slot voltage (mV). |
| 74 | minItems: 1 |
| 75 | maxItems: 8 |
| 76 | |
| 77 | dma-coherent: true |
| 78 | |
| 79 | little-endian: |
| 80 | $ref: /schemas/types.yaml#/definitions/flag |
| 81 | description: |
| 82 | If the host controller is little-endian mode, specify |
| 83 | this property. The default endian mode is big-endian. |
| 84 | |
| 85 | required: |
| 86 | - compatible |
| 87 | - reg |
| 88 | - interrupts |
| 89 | |
| 90 | allOf: |
| 91 | - $ref: sdhci-common.yaml# |
| 92 | |
| 93 | unevaluatedProperties: false |
| 94 | |
| 95 | examples: |
| 96 | - | |
| 97 | mmc@2e000 { |
| 98 | compatible = "fsl,mpc8378-esdhc", "fsl,esdhc"; |
| 99 | reg = <0x2e000 0x1000>; |
| 100 | interrupts = <42 0x8>; |
| 101 | interrupt-parent = <&ipic>; |
| 102 | /* Filled in by U-Boot */ |
| 103 | clock-frequency = <100000000>; |
| 104 | voltage-ranges = <3300 3300>; |
| 105 | }; |