From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 18 May 2024 19:39:57 +0200
Subject: Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../devicetree/bindings/serial/maxim,max310x.yaml  | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/maxim,max310x.yaml

(limited to 'Documentation/devicetree/bindings/serial/maxim,max310x.yaml')

diff --git a/Documentation/devicetree/bindings/serial/maxim,max310x.yaml b/Documentation/devicetree/bindings/serial/maxim,max310x.yaml
new file mode 100644
index 0000000000..889eeaca64
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/maxim,max310x.yaml
@@ -0,0 +1,74 @@
+# 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@dimonoff.com>
+
+properties:
+  compatible:
+    enum:
+      - maxim,max3107
+      - maxim,max3108
+      - maxim,max3109
+      - maxim,max14830
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    enum:
+      - xtal # External crystal
+      - osc  # External clock source
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-line-names:
+    minItems: 1
+    maxItems: 16
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - $ref: /schemas/serial/serial.yaml#
+  - $ref: /schemas/serial/rs485.yaml#
+
+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>;
+        };
+    };
-- 
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