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Message-Id: <20220319204628.1759635-7-michael@walle.cc>
Date: Sat, 19 Mar 2022 21:46:28 +0100
From: Michael Walle <michael@...le.cc>
To: Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Steen Hegelund <Steen.Hegelund@...rochip.com>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Gregory CLEMENT <gregory.clement@...tlin.com>,
Paul Burton <paulburton@...nel.org>,
Quentin Schulz <quentin.schulz@...tlin.com>,
Antoine Tenart <atenart@...nel.org>,
Kavyasree Kotagiri <kavyasree.kotagiri@...rochip.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc: "David S . Miller" <davem@...emloft.net>,
UNGLinuxDriver@...rochip.com, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
Michael Walle <michael@...le.cc>
Subject: [PATCH v3 6/6] dt-bindings: pinctrl: convert ocelot-pinctrl to YAML format
Convert the ocelot-pinctrl device tree binding to the new YAML format.
Additionally to the original binding documentation, add interrupt
properties which are optional and already used on several SoCs like
SparX-5, Luton, Ocelot and LAN966x but were not documented before.
Also, on the sparx5 and the lan966x SoCs there are two items for the
reg property.
Signed-off-by: Michael Walle <michael@...le.cc>
---
.../bindings/pinctrl/mscc,ocelot-pinctrl.txt | 42 -------
.../bindings/pinctrl/mscc,ocelot-pinctrl.yaml | 108 ++++++++++++++++++
2 files changed, 108 insertions(+), 42 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.txt
create mode 100644 Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.txt
deleted file mode 100644
index 5d84fd299ccf..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-Microsemi Ocelot pin controller Device Tree Bindings
-----------------------------------------------------
-
-Required properties:
- - compatible : Should be "mscc,ocelot-pinctrl",
- "mscc,jaguar2-pinctrl", "microchip,sparx5-pinctrl",
- "mscc,luton-pinctrl", "mscc,serval-pinctrl",
- "microchip,lan966x-pinctrl" or "mscc,servalt-pinctrl"
- - reg : Address and length of the register set for the device
- - gpio-controller : Indicates this device is a GPIO controller
- - #gpio-cells : Must be 2.
- The first cell is the pin number and the
- second cell specifies GPIO flags, as defined in
- <dt-bindings/gpio/gpio.h>.
- - gpio-ranges : Range of pins managed by the GPIO controller.
-
-
-The ocelot-pinctrl driver uses the generic pin multiplexing and generic pin
-configuration documented in pinctrl-bindings.txt.
-
-The following generic properties are supported:
- - function
- - pins
-
-Example:
- gpio: pinctrl@...70034 {
- compatible = "mscc,ocelot-pinctrl";
- reg = <0x71070034 0x28>;
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&gpio 0 0 22>;
-
- uart_pins: uart-pins {
- pins = "GPIO_6", "GPIO_7";
- function = "uart";
- };
-
- uart2_pins: uart2-pins {
- pins = "GPIO_12", "GPIO_13";
- function = "uart2";
- };
- };
diff --git a/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.yaml
new file mode 100644
index 000000000000..7149a6655623
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/mscc,ocelot-pinctrl.yaml
@@ -0,0 +1,108 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/mscc,ocelot-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microsemi Ocelot pin controller
+
+maintainers:
+ - Alexandre Belloni <alexandre.belloni@...tlin.com>
+ - Lars Povlsen <lars.povlsen@...rochip.com>
+
+properties:
+ compatible:
+ enum:
+ - microchip,lan966x-pinctrl
+ - microchip,sparx5-pinctrl
+ - mscc,jaguar2-pinctrl
+ - mscc,luton-pinctrl
+ - mscc,ocelot-pinctrl
+ - mscc,serval-pinctrl
+ - mscc,servalt-pinctrl
+
+ reg:
+ items:
+ - description: Base address
+ - description: Extended pin configuration registers
+ minItems: 1
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+ gpio-ranges: true
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+patternProperties:
+ '-pins$':
+ type: object
+ allOf:
+ - $ref: "pinmux-node.yaml"
+ - $ref: "pincfg-node.yaml"
+
+ properties:
+ function: true
+ pins: true
+ output-high: true
+ output-low: true
+ drive-strength: true
+
+ required:
+ - function
+ - pins
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - '#gpio-cells'
+ - gpio-ranges
+
+allOf:
+ - $ref: "pinctrl.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - microchip,lan966x-pinctrl
+ - microchip,sparx5-pinctrl
+ then:
+ properties:
+ reg:
+ minItems: 2
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio: pinctrl@...70034 {
+ compatible = "mscc,ocelot-pinctrl";
+ reg = <0x71070034 0x28>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&gpio 0 0 22>;
+
+ uart_pins: uart-pins {
+ pins = "GPIO_6", "GPIO_7";
+ function = "uart";
+ };
+
+ uart2_pins: uart2-pins {
+ pins = "GPIO_12", "GPIO_13";
+ function = "uart2";
+ };
+ };
+
+...
--
2.30.2
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