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|
# 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>;
};
|
