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dt-bindings: pinctrl: rt305x: 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>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20221231160849.40544-6-arinc.unal@arinc9.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Arınç ÜNAL
2022-12-31 19:08:48 +03:00
committed by Linus Walleij
parent b4ac843958
commit d648fd64e1
1 changed files with 211 additions and 25 deletions
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236
Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
View File

@@ -30,38 +30,225 @@ patternProperties:
$ref: pinmux-node.yaml#
properties:
groups:
description: The pin group to select.
enum: [
# common
i2c, jtag, led, mdio, rgmii, spi, spi_cs1, uartf, uartlite,
# For RT3050, RT3052 and RT3350 SoCs
sdram,
# For RT3352 SoC
lna, pa
]
function:
description: The mux function to select.
enum: [
# common
gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led, mdio,
pcm gpio, pcm i2s, pcm uartf, rgmii, spi, spi_cs1, uartf,
uartlite, wdg_cs1,
description:
A string containing the name of the function to mux to the group.
anyOf:
- description: For RT3050, RT3052 and RT3350 SoCs
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, mdio,
pcm gpio, pcm i2s, pcm uartf, rgmii, sdram, spi, uartf,
uartlite]
# For RT3050, RT3052 and RT3350 SoCs
sdram,
- description: For RT3352 SoC
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led,
lna, mdio, pa, pcm gpio, pcm i2s, pcm uartf, rgmii, spi,
spi_cs1, uartf, uartlite, wdg_cs1]
# For RT3352 SoC
lna, pa
]
- description: For RT5350 SoC
enum: [gpio, gpio i2s, gpio uartf, i2c, i2s uartf, jtag, led,
pcm gpio, pcm i2s, pcm uartf, spi, spi_cs1, uartf,
uartlite, wdg_cs1]
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:
anyOf:
- description: For RT3050, RT3052 and RT3350 SoCs
enum: [i2c, jtag, mdio, rgmii, sdram, spi, uartf,
uartlite]
- description: For RT3352 SoC
enum: [i2c, jtag, led, lna, mdio, pa, rgmii, spi, spi_cs1,
uartf, uartlite]
- description: For RT5350 SoC
enum: [i2c, jtag, led, spi, spi_cs1, 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: led
then:
properties:
groups:
enum: [led]
- if:
properties:
function:
const: lna
then:
properties:
groups:
enum: [lna]
- if:
properties:
function:
const: mdio
then:
properties:
groups:
enum: [mdio]
- if:
properties:
function:
const: pa
then:
properties:
groups:
enum: [pa]
- 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: rgmii
then:
properties:
groups:
enum: [rgmii]
- if:
properties:
function:
const: sdram
then:
properties:
groups:
enum: [sdram]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spi]
- if:
properties:
function:
const: spi_cs1
then:
properties:
groups:
enum: [spi_cs1]
- if:
properties:
function:
const: uartf
then:
properties:
groups:
enum: [uartf]
- if:
properties:
function:
const: uartlite
then:
properties:
groups:
enum: [uartlite]
- if:
properties:
function:
const: wdg_cs1
then:
properties:
groups:
enum: [spi_cs1]
additionalProperties: false
additionalProperties: false
@@ -75,7 +262,6 @@ required:
additionalProperties: false
examples:
# Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt305x-pinctrl";