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authorPhilip Chen <philipchen@chromium.org>2021-02-23 06:03:23 +0100
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2021-02-23 06:22:13 +0100
commit311a27da6271394afdca5773f4272eb6f48fae2d (patch)
tree708144456333e715356cb782a4b3fa40c91af56e
parentMerge tag 'v5.11' into next (diff)
downloadlinux-311a27da6271394afdca5773f4272eb6f48fae2d.tar.xz
linux-311a27da6271394afdca5773f4272eb6f48fae2d.zip
dt-bindings: input: cros-ec-keyb: Add a new property describing top row
Add 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> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210115122412.v7.1.I025fb861cd5fa0ef5286b7dce514728e9df7ae74@changeid Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml24
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
index 8e50c14a9d77..5377b232fa10 100644
--- a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
+++ b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
@@ -31,6 +31,17 @@ properties:
if the EC does not have its own logic or hardware for this.
type: boolean
+ function-row-physmap:
+ minItems: 1
+ maxItems: 15
+ 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
@@ -38,11 +49,24 @@ unevaluatedProperties: false
examples:
- |
+ #include <dt-bindings/input/input.h>
cros-ec-keyb {
compatible = "google,cros-ec-keyb";
keypad,num-rows = <8>;
keypad,num-columns = <13>;
google,needs-ghost-filter;
+ function-row-physmap = <
+ MATRIX_KEY(0x00, 0x02, 0) /* T1 */
+ MATRIX_KEY(0x03, 0x02, 0) /* T2 */
+ MATRIX_KEY(0x02, 0x02, 0) /* T3 */
+ MATRIX_KEY(0x01, 0x02, 0) /* T4 */
+ MATRIX_KEY(0x03, 0x04, 0) /* T5 */
+ MATRIX_KEY(0x02, 0x04, 0) /* T6 */
+ MATRIX_KEY(0x01, 0x04, 0) /* T7 */
+ MATRIX_KEY(0x02, 0x09, 0) /* T8 */
+ MATRIX_KEY(0x01, 0x09, 0) /* T9 */
+ MATRIX_KEY(0x00, 0x04, 0) /* T10 */
+ >;
/*
* Keymap entries take the form of 0xRRCCKKKK where
* RR=Row CC=Column KKKK=Key Code