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Diffstat (limited to 'Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml new file mode 100644 index 000000000000..b86ffb53b18b --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/fsl,esdhc.yaml @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/fsl,esdhc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale Enhanced Secure Digital Host Controller (eSDHC) + +description: + The Enhanced Secure Digital Host Controller provides an interface + for MMC, SD, and SDIO types of memory cards. + +maintainers: + - Frank Li <Frank.Li@nxp.com> + +properties: + compatible: + items: + - enum: + - fsl,mpc8536-esdhc + - fsl,mpc8378-esdhc + - fsl,p2020-esdhc + - fsl,p4080-esdhc + - fsl,t1040-esdhc + - fsl,t4240-esdhc + - fsl,ls1012a-esdhc + - fsl,ls1028a-esdhc + - fsl,ls1088a-esdhc + - fsl,ls1043a-esdhc + - fsl,ls1046a-esdhc + - fsl,ls2080a-esdhc + - const: fsl,esdhc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: specifies eSDHC base clock frequency. + + sdhci,wp-inverted: + $ref: /schemas/types.yaml#/definitions/flag + deprecated: true + description: + specifies that eSDHC controller reports + inverted write-protect state; New devices should use the generic + "wp-inverted" property. + + sdhci,1-bit-only: + $ref: /schemas/types.yaml#/definitions/flag + deprecated: true + description: + specifies that a controller can only handle + 1-bit data transfers. New devices should use the generic + "bus-width = <1>" property. + + sdhci,auto-cmd12: + $ref: /schemas/types.yaml#/definitions/flag + description: + specifies that a controller can only handle auto CMD12. + + voltage-ranges: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + items: + items: + - description: specifies minimum slot voltage (mV). + - description: specifies maximum slot voltage (mV). + minItems: 1 + maxItems: 8 + + dma-coherent: true + + little-endian: + $ref: /schemas/types.yaml#/definitions/flag + description: + If the host controller is little-endian mode, specify + this property. The default endian mode is big-endian. + +required: + - compatible + - reg + - interrupts + +allOf: + - $ref: sdhci-common.yaml# + +unevaluatedProperties: false + +examples: + - | + mmc@2e000 { + compatible = "fsl,mpc8378-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <42 0x8>; + interrupt-parent = <&ipic>; + /* Filled in by U-Boot */ + clock-frequency = <100000000>; + voltage-ranges = <3300 3300>; + }; |