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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/ti,omap2430-sdhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI OMAP SDHCI Controller
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>
description:
For UHS devices which require tuning, the device tree should have a
cpu_thermal node which maps to the appropriate thermal zone. This
is used to get the temperature of the zone during tuning.
properties:
compatible:
enum:
- ti,omap2430-sdhci
- ti,omap3-sdhci
- ti,omap4-sdhci
- ti,omap5-sdhci
- ti,dra7-sdhci
- ti,k2g-sdhci
- ti,am335-sdhci
- ti,am437-sdhci
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 2
clock-names:
items:
- const: fck
- const: mmchsdb_fck
dmas:
maxItems: 2
dma-names:
items:
- const: tx
- const: rx
pinctrl-names:
minItems: 1
maxItems: 14
items:
enum:
- default
- default-rev11
- hs
- sdr12
- sdr12-rev11
- sdr25
- sdr25-rev11
- sdr50
- ddr50-rev11
- sdr104-rev11
- ddr50
- sdr104
- ddr_1_8v-rev11
- ddr_1_8v
- ddr_3_3v
- hs-rev11
- hs200_1_8v-rev11
- hs200_1_8v
- sleep
pinctrl-0:
maxItems: 1
pinctrl-1:
maxItems: 1
pinctrl-2:
maxItems: 1
pinctrl-3:
maxItems: 1
pinctrl-4:
maxItems: 1
pinctrl-5:
maxItems: 1
pinctrl-6:
maxItems: 1
pinctrl-7:
maxItems: 1
pinctrl-8:
maxItems: 1
power-domains:
maxItems: 1
pbias-supply:
description:
It is used to specify the voltage regulator that provides the bias
voltage for certain analog or I/O pads.
ti,non-removable:
description:
It indicates that a component is not meant to be easily removed or
replaced by the user, such as an embedded battery or a non-removable
storage slot like eMMC.
type: boolean
deprecated: true
clock-frequency:
$ref: /schemas/types.yaml#/definitions/uint32
description:
It represents the speed at which a clock signal associated with a device
or bus operates, measured in Hertz (Hz). This value is crucial for configuring
hardware components that require a specific clock speed.
required:
- compatible
- reg
- interrupts
allOf:
- $ref: sdhci-common.yaml#
- if:
properties:
compatible:
contains:
enum:
- ti,dra7-sdhci
- ti,k2g-sdhci
then:
required:
- max-frequency
- if:
properties:
compatible:
contains:
const: ti,k2g-sdhci
then:
required:
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
mmc@4809c000 {
compatible = "ti,dra7-sdhci";
reg = <0x4809c000 0x400>;
interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
max-frequency = <192000000>;
sdhci-caps-mask = <0x0 0x400000>;
bus-width = <4>;
vmmc-supply = <&vmmc>; /* phandle to regulator node */
dmas = <&sdma 61>, <&sdma 62>;
dma-names = "tx", "rx";
};
...
|
