118 lines
2.5 KiB
YAML
118 lines
2.5 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/mmc/socionext,uniphier-sd.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: UniPhier SD/SDIO/eMMC controller
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Masahiro Yamada <yamada.masahiro@socionext.com>
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
description: version 2.91, 3.1, 3.1.1, respectively
|
||
|
|
enum:
|
||
|
|
- socionext,uniphier-sd-v2.91
|
||
|
|
- socionext,uniphier-sd-v3.1
|
||
|
|
- socionext,uniphier-sd-v3.1.1
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
dmas:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
dma-names:
|
||
|
|
const: rx-tx
|
||
|
|
|
||
|
|
reset-names:
|
||
|
|
description: |
|
||
|
|
There are three reset signals at maximum
|
||
|
|
host: mandatory for all variants
|
||
|
|
bridge: exist only for version 2.91
|
||
|
|
hw: optional. exist if eMMC hw reset line is available
|
||
|
|
oneOf:
|
||
|
|
- const: host
|
||
|
|
- items:
|
||
|
|
- const: host
|
||
|
|
- const: bridge
|
||
|
|
- items:
|
||
|
|
- const: host
|
||
|
|
- const: hw
|
||
|
|
- items:
|
||
|
|
- const: host
|
||
|
|
- const: bridge
|
||
|
|
- const: hw
|
||
|
|
|
||
|
|
resets:
|
||
|
|
minItems: 1
|
||
|
|
maxItems: 3
|
||
|
|
|
||
|
|
socionext,syscon-uhs-mode:
|
||
|
|
$ref: /schemas/types.yaml#/definitions/phandle-array
|
||
|
|
items:
|
||
|
|
- items:
|
||
|
|
- description: phandle to syscon that configures UHS mode
|
||
|
|
- description: ID of SD instance
|
||
|
|
description:
|
||
|
|
A phandle to syscon with one argument that configures UHS mode.
|
||
|
|
The argument is the ID of SD instance.
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: mmc-controller.yaml
|
||
|
|
|
||
|
|
- if:
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
contains:
|
||
|
|
const: socionext,uniphier-sd-v2.91
|
||
|
|
then:
|
||
|
|
properties:
|
||
|
|
reset-names:
|
||
|
|
contains:
|
||
|
|
const: bridge
|
||
|
|
else:
|
||
|
|
properties:
|
||
|
|
reset-names:
|
||
|
|
not:
|
||
|
|
contains:
|
||
|
|
const: bridge
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- interrupts
|
||
|
|
- clocks
|
||
|
|
- reset-names
|
||
|
|
- resets
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
sd: mmc@5a400000 {
|
||
|
|
compatible = "socionext,uniphier-sd-v2.91";
|
||
|
|
reg = <0x5a400000 0x200>;
|
||
|
|
interrupts = <0 76 4>;
|
||
|
|
pinctrl-names = "default", "uhs";
|
||
|
|
pinctrl-0 = <&pinctrl_sd>;
|
||
|
|
pinctrl-1 = <&pinctrl_sd_uhs>;
|
||
|
|
clocks = <&mio_clk 0>;
|
||
|
|
reset-names = "host", "bridge";
|
||
|
|
resets = <&mio_rst 0>, <&mio_rst 3>;
|
||
|
|
dma-names = "rx-tx";
|
||
|
|
dmas = <&dmac 4>;
|
||
|
|
bus-width = <4>;
|
||
|
|
cap-sd-highspeed;
|
||
|
|
sd-uhs-sdr12;
|
||
|
|
sd-uhs-sdr25;
|
||
|
|
sd-uhs-sdr50;
|
||
|
|
};
|