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@xxxxxxxxxx>
---
.../pinctrl/ralink,rt2880-pinctrl.yaml | 85 +++++++++++++++++--
1 file changed, 79 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinctrl.yaml
index 56e5becabcfd..f59ddd5e6c2b 100644
--- a/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/ralink,rt2880-pinctrl.yaml
@@ -29,18 +29,92 @@ 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.
+
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 +128,6 @@ required:
additionalProperties: false
examples:
- # Pinmux controller node
- |
pinctrl {
compatible = "ralink,rt2880-pinctrl";
--
2.37.2
