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Subject[PATCH v3 1/2] dt-bindings: input: cros-ec-keyb: Add a new property
Date
This patch adds a new property `function-row-physmap` to the
device tree for the custom keyboard top row design.

The property describes the rows/columns of the top row keys
from left to right.

Signed-off-by: Philip Chen <philipchen@chromium.org>
---

(no changes since v2)

Changes in v2:
- add `function-row-physmap` instead of `google,custom-keyb-top-row`

.../devicetree/bindings/input/google,cros-ec-keyb.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
index 8e50c14a9d778..7acdb33781d30 100644
--- a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
+++ b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
@@ -31,6 +31,16 @@ properties:
if the EC does not have its own logic or hardware for this.
type: boolean

+ function-row-physmap:
+ $ref: '/schemas/types.yaml#/definitions/uint32-array'
+ description: |
+ An ordered u32 array describing the rows/columns (in the scan matrix)
+ of top row keys from physical left (KEY_F1) to right. Each entry
+ encodes the row/column as:
+ (((row) & 0xFF) << 24) | (((column) & 0xFF) << 16)
+ where the lower 16 bits are reserved. This property is specified only
+ when the keyboard has a custom design for the top row keys.
+
required:
- compatible

--
2.26.2
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