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Message-Id: <20231011222105.2587175-1-hugo@hugovil.com>
Date: Wed, 11 Oct 2023 18:21:05 -0400
From: Hugo Villeneuve <hugo@...ovil.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Hugo Villeneuve <hvilleneuve@...onoff.com>
Cc: hugo@...ovil.com, linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: max310x: convert to YAML
From: Hugo Villeneuve <hvilleneuve@...onoff.com>
Convert binding from text format to YAML.
Additions to original text binding:
- add rs485 reference.
Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
.../bindings/serial/maxim,max310x.txt | 48 --------
.../bindings/serial/maxim,max310x.yaml | 107 ++++++++++++++++++
2 files changed, 107 insertions(+), 48 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/serial/maxim,max310x.txt
create mode 100644 Documentation/devicetree/bindings/serial/maxim,max310x.yaml
diff --git a/Documentation/devicetree/bindings/serial/maxim,max310x.txt b/Documentation/devicetree/bindings/serial/maxim,max310x.txt
deleted file mode 100644
index 79e10a05a96a..000000000000
--- a/Documentation/devicetree/bindings/serial/maxim,max310x.txt
+++ /dev/null
@@ -1,48 +0,0 @@
-* Maxim MAX310X advanced Universal Asynchronous Receiver-Transmitter (UART)
-
-Required properties:
-- compatible: Should be one of the following:
- - "maxim,max3107" for Maxim MAX3107,
- - "maxim,max3108" for Maxim MAX3108,
- - "maxim,max3109" for Maxim MAX3109,
- - "maxim,max14830" for Maxim MAX14830.
-- reg: SPI chip select number.
-- interrupts: Specifies the interrupt source of the parent interrupt
- controller. The format of the interrupt specifier depends on the
- parent interrupt controller.
-- clocks: phandle to the IC source clock.
-- clock-names: Should be "xtal" if clock is an external crystal or
- "osc" if an external clock source is used.
-
-Optional properties:
-- gpio-controller: Marks the device node as a GPIO controller.
-- #gpio-cells: Should be two. The first cell is the GPIO number and
- the second cell is used to specify the GPIO polarity:
- 0 = active high,
- 1 = active low.
-
-Example:
-
-/ {
- clocks {
- spi_uart_clk: osc_max14830 {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <3686400>;
- };
-
- };
-};
-
-&spi0 {
- max14830: max14830@0 {
- compatible = "maxim,max14830";
- reg = <0>;
- clocks = <&spi_uart_clk>;
- clock-names = "osc";
- interrupt-parent = <&gpio3>;
- interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
- gpio-controller;
- #gpio-cells = <2>;
- };
-};
diff --git a/Documentation/devicetree/bindings/serial/maxim,max310x.yaml b/Documentation/devicetree/bindings/serial/maxim,max310x.yaml
new file mode 100644
index 000000000000..05fd00d95260
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/maxim,max310x.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/maxim,max310x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX310X Advanced Universal Asynchronous Receiver-Transmitter (UART)
+
+maintainers:
+ - Hugo Villeneuve <hvilleneuve@...onoff.com>
+
+properties:
+ compatible:
+ enum:
+ - maxim,max3107
+ - maxim,max3108
+ - maxim,max3109
+ - maxim,max14830
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-frequency:
+ description:
+ When there is no clock provider visible to the platform, this
+ is the source crystal frequency for the IC in Hz.
+ minimum: 1000000
+ maximum: 4000000
+
+ clock-names:
+ enum:
+ - xtal # External crystal
+ - osc # External clock source
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-line-names:
+ minItems: 1
+ maxItems: 16
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+ - $ref: /schemas/serial/serial.yaml#
+ - $ref: /schemas/serial/rs485.yaml#
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+oneOf:
+ - required:
+ - clocks
+ - clock-names
+ - required:
+ - clock-frequency
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ serial@2c {
+ compatible = "maxim,max3107";
+ reg = <0x2c>;
+ clocks = <&xtal4m>;
+ clock-names = "xtal";
+ interrupt-parent = <&gpio3>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ serial@60 {
+ compatible = "maxim,max3108";
+ reg = <0x60>;
+ clocks = <&clk20m>;
+ clock-names = "osc";
+ interrupt-parent = <&gpio3>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ serial@6f {
+ compatible = "maxim,max14830";
+ reg = <0x6f>;
+ clock-frequency = <3000000>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
base-commit: 8182d7a3f1b8982c0136dca82a846ea375a4d6e9
--
2.39.2
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