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Message-Id: <20221213130430.172876-5-arinc.unal@arinc9.com>
Date: Tue, 13 Dec 2022 16:04:28 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Sergio Paracuellos <sergio.paracuellos@...il.com>,
Luiz Angelo Daros de Luca <luizluca@...il.com>
Cc: Arınç ÜNAL <arinc.unal@...nc9.com>,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-mips@...r.kernel.org
Subject: [PATCH 4/6] 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: Arınç ÜNAL <arinc.unal@...nc9.com>
---
.../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
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