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dt-bindings: pinctrl: rt3883: add proper function muxing binding 

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/20221231160849.40544-7-arinc.unal@arinc9.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Arınç ÜNAL 2022-12-31 19:08:49 +03:00 committed by Linus Walleij
parent d648fd64e1
commit 844bca6092
1 changed files with 198 additions and 7 deletions
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205
Documentation/devicetree/bindings/pinctrl/ralink,rt3883-pinctrl.yaml
View File

@ -29,21 +29,213 @@ patternProperties:
$ref: pinmux-node.yaml#
properties:
groups:
description: The pin group to select.
enum: [ge1, ge2, i2c, jtag, lna a, lna g, mdio, pci, spi, uartf,
uartlite]
function:
description: The mux function to select.
description:
A string containing the name of the function to mux to the group.
enum: [ge1, ge2, gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag,
lna a, lna g, mdio, pci-dev, pci-fnc, pci-host1, pci-host2,
pcm gpio, pcm i2s, pcm uartf, spi, uartf, uartlite]
groups:
description:
An array of strings. Each string contains the name of a group.
maxItems: 1
required:
- groups
- function
allOf:
- if:
properties:
function:
const: ge1
then:
properties:
groups:
enum: [ge1]
- if:
properties:
function:
const: ge2
then:
properties:
groups:
enum: [ge2]
- if:
properties:
function:
const: gpio
then:
properties:
groups:
enum: [ge1, ge2, i2c, jtag, lna a, lna g, mdio, pci, spi,
uartf, uartlite]
- if:
properties:
function:
const: gpio i2s
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: gpio uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c]
- if:
properties:
function:
const: i2s uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: jtag
then:
properties:
groups:
enum: [jtag]
- if:
properties:
function:
const: lna a
then:
properties:
groups:
enum: [lna a]
- if:
properties:
function:
const: lna g
then:
properties:
groups:
enum: [lna g]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: pci-dev
then:
properties:
groups:
enum: [pci]
- if:
properties:
function:
const: pci-fnc
then:
properties:
groups:
enum: [pci]
- if:
properties:
function:
const: pci-host1
then:
properties:
groups:
enum: [pci]
- if:
properties:
function:
const: pci-host2
then:
properties:
groups:
enum: [pci]
- if:
properties:
function:
const: pcm gpio
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: pcm i2s
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: pcm uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: uartlite
then:
properties:
groups:
enum: [uartlite]
additionalProperties: false
additionalProperties: false
@ -57,7 +249,6 @@ required:
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt3883-pinctrl";