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dt-bindings: pinctrl: mt7621: add proper function muxing binding

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Not every function can be muxed to a group. Add proper binding which
documents which function can be muxed to a group or set of groups.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20221231160849.40544-4-arinc.unal@arinc9.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Arınç ÜNAL
2023-01-16 14:56:46 +01:00
committed by Linus Walleij
parent 4e5410668a
commit 0c9a567651
1 changed files with 198 additions and 7 deletions
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Documentation/devicetree/bindings/pinctrl/ralink,mt7621-pinctrl.yaml
+198 -7
View File
@@ -29,21 +29,213 @@ patternProperties:
$ref: pinmux-node.yaml#
properties:
groups:
description: The pin group to select.
enum: [i2c, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, uart1,
uart2, uart3, wdt]
function:
description: The mux function to select.
description:
A string containing the name of the function to mux to the group.
enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk,
pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, spi,
uart1, uart2, uart3, wdt refclk, wdt rst]
groups:
description:
An array of strings. Each string contains the name of a group.
maxItems: 1
required:
- groups
- function
allOf:
- if:
properties:
function:
const: gpio
then:
properties:
groups:
enum: [i2c, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi,
uart1, uart2, uart3, wdt]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c]
- if:
properties:
function:
const: i2s
then:
properties:
groups:
enum: [uart3]
- if:
properties:
function:
const: jtag
then:
properties:
groups:
enum: [jtag]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: nand1
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: nand2
then:
properties:
groups:
enum: [sdhci]
- if:
properties:
function:
const: pcie refclk
then:
properties:
groups:
enum: [pcie]
- if:
properties:
function:
const: pcie rst
then:
properties:
groups:
enum: [pcie]
- if:
properties:
function:
const: pcm
then:
properties:
groups:
enum: [uart2]
- if:
properties:
function:
const: rgmii1
then:
properties:
groups:
enum: [rgmii1]
- if:
properties:
function:
const: rgmii2
then:
properties:
groups:
enum: [rgmii2]
- if:
properties:
function:
const: sdhci
then:
properties:
groups:
enum: [sdhci]
- if:
properties:
function:
const: spdif2
then:
properties:
groups:
enum: [uart2]
- if:
properties:
function:
const: spdif3
then:
properties:
groups:
enum: [uart3]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: uart1
then:
properties:
groups:
enum: [uart1]
- if:
properties:
function:
const: uart2
then:
properties:
groups:
enum: [uart2]
- if:
properties:
function:
const: uart3
then:
properties:
groups:
enum: [uart3]
- if:
properties:
function:
const: wdt refclk
then:
properties:
groups:
enum: [wdt]
- if:
properties:
function:
const: wdt rst
then:
properties:
groups:
enum: [wdt]
additionalProperties: false
additionalProperties: false
@@ -57,7 +249,6 @@ required:
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,mt7621-pinctrl";