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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/atmel,sama5d2-sdhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel SDHCI controller
maintainers:
- Aubin Constans <aubin.constans@microchip.com>
- Nicolas Ferre <nicolas.ferre@microchip.com>
description:
Bindings for the SDHCI controller found in Atmel/Microchip SoCs.
properties:
compatible:
oneOf:
- enum:
- atmel,sama5d2-sdhci
- microchip,sam9x60-sdhci
- items:
- enum:
- microchip,sam9x7-sdhci
- microchip,sama7g5-sdhci
- const: microchip,sam9x60-sdhci
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: hclock
- description: multclk
- description: baseclk
minItems: 2
clock-names:
items:
- const: hclock
- const: multclk
- const: baseclk
minItems: 2
microchip,sdcal-inverted:
type: boolean
description:
When present, polarity on the SDCAL SoC pin is inverted. The default
polarity for this signal is described in the datasheet. For instance on
SAMA5D2, the pin is usually tied to the GND with a resistor and a
capacitor (see "SDMMC I/O Calibration" chapter).
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
allOf:
- $ref: sdhci-common.yaml#
- if:
properties:
compatible:
contains:
enum:
- atmel,sama5d2-sdhci
then:
properties:
clocks:
minItems: 3
clock-names:
minItems: 3
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/at91.h>
mmc@a0000000 {
compatible = "atmel,sama5d2-sdhci";
reg = <0xa0000000 0x300>;
interrupts = <31 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&sdmmc0_hclk>, <&sdmmc0_gclk>, <&main>;
clock-names = "hclock", "multclk", "baseclk";
assigned-clocks = <&sdmmc0_gclk>;
assigned-clock-rates = <480000000>;
};