linux-kernel - [PATCH v4 1/2] dt-bindings: input: Add documentation for IBM Operation Panel

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Date:   Thu, 24 Feb 2022 16:56:34 -0600
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-input@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dmitry.torokhov@...il.com, robh+dt@...nel.org, joel@....id.au,
        Eddie James <eajames@...ux.ibm.com>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v4 1/2] dt-bindings: input: Add documentation for IBM Operation Panel

Document the bindings for the IBM Operation Panel, which provides
a simple interface to control a server. It has a display and three
buttons.
Also update MAINTAINERS for the new file.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Acked-by: Joel Stanley <joel@....id.au>
---
 .../bindings/input/ibm,op-panel.yaml          | 49 +++++++++++++++++++
 MAINTAINERS                                   |  6 +++
 2 files changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/ibm,op-panel.yaml

diff --git a/Documentation/devicetree/bindings/input/ibm,op-panel.yaml b/Documentation/devicetree/bindings/input/ibm,op-panel.yaml
new file mode 100644
index 000000000000..08d8f194f0db
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/ibm,op-panel.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/ibm,op-panel.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: IBM Operation Panel
+
+maintainers:
+  - Eddie James <eajames@...ux.ibm.com>
+
+allOf:
+  - $ref: input.yaml#
+
+description: |
+  The IBM Operation Panel provides a simple interface to control the connected
+  server. It has a display and three buttons: two directional arrows and one
+  'Enter' button.
+
+properties:
+  compatible:
+    const: ibm,op-panel
+
+  reg:
+    maxItems: 1
+
+  linux,keycodes:
+    minItems: 1
+    maxItems: 3
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/i2c/i2c.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ibm-op-panel@62 {
+            compatible = "ibm,op-panel";
+            reg = <(0x62 | I2C_OWN_SLAVE_ADDRESS)>;
+            linux,keycodes = <KEY_UP KEY_DOWN KEY_ENTER>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index d2eef29691e7..f4c9db336223 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9233,6 +9233,12 @@ S:	Orphan
 F:	Documentation/ia64/
 F:	arch/ia64/
 
+IBM Operation Panel Input Driver
+M:	Eddie James <eajames@...ux.ibm.com>
+L:	linux-input@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/input/ibm,op-panel.yaml
+
 IBM Power 842 compression accelerator
 M:	Haren Myneni <haren@...ibm.com>
 S:	Supported
-- 
2.27.0