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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Marvell PXA SDHCI v1/v2/v3
maintainers:
- Ulf Hansson <ulf.hansson@linaro.org>
allOf:
- $ref: mmc-controller.yaml#
- if:
properties:
compatible:
contains:
const: marvell,armada-380-sdhci
then:
properties:
reg:
minItems: 3
reg-names:
minItems: 3
required:
- reg-names
else:
properties:
reg:
maxItems: 1
reg-names:
maxItems: 1
- if:
properties:
compatible:
contains:
const: mrvl,pxav1-mmc
then:
properties:
pinctrl-names:
description:
Optional for supporting PXA168 SDIO IRQ errata to switch CMD pin between
SDIO CMD and GPIO mode.
items:
- const: default
- const: state_cmd_gpio
minItems: 1
pinctrl-1:
description:
Should switch CMD pin to GPIO mode as a high output.
- if:
properties:
compatible:
contains:
const: mrvl,pxav3-mmc
then:
properties:
pinctrl-names:
description:
Optional for increasing stability of the controller at fast bus clocks.
items:
- const: default
- const: state_uhs
minItems: 1
pinctrl-1:
description:
Should switch the drive strength of the data pins to high.
properties:
compatible:
enum:
- mrvl,pxav1-mmc
- mrvl,pxav2-mmc
- mrvl,pxav3-mmc
- marvell,armada-380-sdhci
reg:
minItems: 1
maxItems: 3
reg-names:
items:
- const: sdhci
- const: mbus
- const: conf-sdio3
interrupts:
maxItems: 1
clocks:
minItems: 1
maxItems: 2
clock-names:
minItems: 1
items:
- const: io
- const: core
pinctrl-names: true
pinctrl-0:
description:
Should contain default pinctrl.
pinctrl-1: true
mrvl,clk-delay-cycles:
description: Specify a number of cycles to delay for tuning.
$ref: /schemas/types.yaml#/definitions/uint32
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/berlin2.h>
mmc@d4280800 {
compatible = "mrvl,pxav3-mmc";
reg = <0xd4280800 0x800>;
bus-width = <8>;
interrupts = <27>;
clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
clock-names = "io", "core";
non-removable;
mrvl,clk-delay-cycles = <31>;
};
- |
mmc@d8000 {
compatible = "marvell,armada-380-sdhci";
reg-names = "sdhci", "mbus", "conf-sdio3";
reg = <0xd8000 0x1000>,
<0xdc000 0x100>,
<0x18454 0x4>;
interrupts = <0 25 0x4>;
clocks = <&gateclk 17>;
clock-names = "io";
mrvl,clk-delay-cycles = <0x1F>;
};
...
|
