linux-kernel - [PATCH v3 3/5] dt-bindings: add google,cros-kbd-led-backlight

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Message-Id: <20220321085547.1162312-4-tzungbi@kernel.org>
Date:   Mon, 21 Mar 2022 16:55:45 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     bleung@...omium.org, groeck@...omium.org, robh+dt@...nel.org
Cc:     chrome-platform@...ts.linux.dev, tzungbi@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v3 3/5] dt-bindings: add google,cros-kbd-led-backlight

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@...nel.org>
---
No changes from v2.

Changes from v1:
(https://patchwork.kernel.org/project/chrome-platform/patch/20220214053646.3088298-4-tzungbi@google.com/)
- Update email address accordingly.
- Add A-b tag.

 .../chrome/google,cros-kbd-led-backlight.yaml | 35 +++++++++++++++++++
 .../bindings/mfd/google,cros-ec.yaml          |  3 ++
 2 files changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-kbd-led-backlight.yaml

diff --git a/Documentation/devicetree/bindings/chrome/google,cros-kbd-led-backlight.yaml b/Documentation/devicetree/bindings/chrome/google,cros-kbd-led-backlight.yaml
new file mode 100644
index 000000000000..5b875af6a95a
--- /dev/null
+++ b/Documentation/devicetree/bindings/chrome/google,cros-kbd-led-backlight.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/chrome/google,cros-kbd-led-backlight.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ChromeOS keyboard backlight LED driver.
+
+maintainers:
+  - Tzung-Bi Shih <tzungbi@...nel.org>
+
+properties:
+  compatible:
+    const: google,cros-kbd-led-backlight
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    spi0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      cros_ec: ec@0 {
+        compatible = "google,cros-ec-spi";
+        reg = <0>;
+
+        kbd-led-backlight {
+          compatible = "google,cros-kbd-led-backlight";
+        };
+      };
+    };
diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
index d1f53bd449f7..1815ca0e8ebc 100644
--- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
+++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
@@ -90,6 +90,9 @@ properties:
   ec-pwm:
     $ref: "/schemas/pwm/google,cros-ec-pwm.yaml#"
 
+  kbd-led-backlight:
+    $ref: "/schemas/chrome/google,cros-kbd-led-backlight.yaml#"
+
   keyboard-controller:
     $ref: "/schemas/input/google,cros-ec-keyb.yaml#"
 
-- 
2.35.1.894.gb6a874cedc-goog