linux-kernel - [PATCH v6 1/2] dt-bindings: mfd: Add ENE KB3930 Embedded Controller binding

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Message-Id: <20200709231228.11564-2-lkundrak@v3.sk>
Date:   Fri, 10 Jul 2020 01:12:27 +0200
From:   Lubomir Rintel <lkundrak@...sk>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Lubomir Rintel <lkundrak@...sk>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v6 1/2] dt-bindings: mfd: Add ENE KB3930 Embedded Controller binding

Add binding document for the ENE KB3930 Embedded Controller.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
Reviewed-by: Rob Herring <robh@...nel.org>

---
Changes since v5:
- s/a I2C bus/an I2C bus/

Changes since v4:
- Collected Rob's Reviewed-by

Changes since v1:
- Addressed binding validation failure
---
 .../devicetree/bindings/mfd/ene-kb3930.yaml   | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/ene-kb3930.yaml

diff --git a/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
new file mode 100644
index 0000000000000..074243c408910
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/ene-kb3930.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ene-kb3930.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ENE KB3930 Embedded Controller bindings
+
+description: |
+  This binding describes the ENE KB3930 Embedded Controller attached to an
+  I2C bus.
+
+maintainers:
+  - Lubomir Rintel <lkundrak@...sk>
+
+properties:
+  compatible:
+    items:
+      - enum:
+        - dell,wyse-ariel-ec  # Dell Wyse Ariel board (3020)
+      - const: ene,kb3930
+  reg:
+    maxItems: 1
+
+  off-gpios:
+    description: GPIO used with the shutdown protocol on Ariel
+    maxItems: 2
+
+  system-power-controller: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      embedded-controller@58 {
+        compatible = "dell,wyse-ariel-ec", "ene,kb3930";
+        reg = <0x58>;
+        system-power-controller;
+
+        off-gpios = <&gpio 126 GPIO_ACTIVE_HIGH>,
+                    <&gpio 127 GPIO_ACTIVE_HIGH>;
+      };
+    };
+
+...
-- 
2.26.2