linux-kernel - [PATCH v1 2/2] Staging: silabs si4455 serial driver: docs device tree binding

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Date:   Thu, 10 Dec 2020 12:21:56 +0000
From:   József Horváth <info@...istro.hu>
To:     'Rob Herring' <robh+dt@...nel.org>,
        'Greg Kroah-Hartman' <gregkh@...uxfoundation.org>,
        'József Horváth' <info@...istro.hu>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org
Subject: [PATCH v1 2/2] Staging: silabs si4455 serial driver: docs device
 tree binding

add: device tree binding schema

Signed-off-by: József Horváth <info@...istro.hu>
---
 .../bindings/serial/silabs,si4455.yaml        | 53 +++++++++++++++++++
 MAINTAINERS                                   |  2 +-
 2 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/serial/silabs,si4455.yaml

diff --git a/Documentation/devicetree/bindings/serial/silabs,si4455.yaml b/Documentation/devicetree/bindings/serial/silabs,si4455.yaml
new file mode 100644
index 000000000000..80a73a61755b
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/silabs,si4455.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/serial/silabs,si4455.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Silicon Labs Si4455 device tree bindings
+
+maintainers:
+  - József Horváth <info@...istro.hu>
+
+allOf:
+  - $ref: "/schemas/serial.yaml#"
+
+properties:
+  compatible:
+    const: silabs,si4455
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  spi-max-frequency:
+    description: maximum clock frequency on SPI port
+    maximum: 500000
+
+  shutdown-gpios:
+    description: gpio pin for SDN
+    maxItems: 1
+
+required:
+  - reg
+  - interrupts
+  - spi-max-frequency
+  - shutdown-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    &spi0 {
+      serial0: si4455@0 {
+        compatible = "silabs,si4455";
+        reg = <0>;
+        interrupt-parent = <&gpio>;
+        interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+        shutdown-gpios = <&gpio 26 1>;
+        spi-max-frequency = <300000>;
+      };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a29bc17d446d..16cc96971ac2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15937,7 +15937,7 @@ F:	drivers/platform/x86/touchscreen_dmi.c
 SILICON LABS SI4455 SERIAL DRIVER
 M:	József Horváth <info@...istro.hu>
 S:	Maintained
-F:	Documentation/devicetree/bindings/staging/serial/silabs,si4455.txt
+F:	Documentation/devicetree/bindings/serial/silabs,si4455.yaml
 F:	drivers/tty/serial/si4455.c
 F:	drivers/tty/serial/si4455_api.h
 
-- 
2.17.1