Commit b4ac8439 authored by Arınç ÜNAL's avatar Arınç ÜNAL Committed by Linus Walleij

dt-bindings: pinctrl: rt2880: 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: default avatarArınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: default avatarSergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20221231160849.40544-5-arinc.unal@arinc9.comSigned-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 0c9a5676
......@@ -29,18 +29,93 @@ patternProperties:
$ref: pinmux-node.yaml#
properties:
groups:
description: The pin group to select.
enum: [i2c, spi, uartlite, jtag, mdio, sdram, pci]
function:
description: The mux function to select.
description:
A string containing the name of the function to mux to the group.
enum: [gpio, i2c, spi, uartlite, jtag, mdio, sdram, pci]
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, spi, uartlite, jtag, mdio, sdram, pci]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: uartlite
then:
properties:
groups:
enum: [uartlite]
- if:
properties:
function:
const: jtag
then:
properties:
groups:
enum: [jtag]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: sdram
then:
properties:
groups:
enum: [sdram]
- if:
properties:
function:
const: pci
then:
properties:
groups:
enum: [pci]
additionalProperties: false
additionalProperties: false
......@@ -54,7 +129,6 @@ required:
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt2880-pinctrl";
......
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