[PATCH v1 06/10] arm64: dts: mediatek: asurada: Add keyboard mapping for the top row

From: Nícolas F. R. A. Prado
Date: Wed Mar 16 2022 - 11:14:25 EST


Chromebooks' embedded keyboards differ from standard layouts for the
top row in that they have shortcuts in place of the standard function
keys. Map these keys to achieve the functionality that is pictured on
the printouts.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---

.../boot/dts/mediatek/mt8192-asurada.dtsi | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index bd2730ab6266..1d1a4b9a989a 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -525,3 +525,32 @@ &uart0 {

#include <arm/cros-ec-keyboard.dtsi>
#include <arm/cros-ec-sbs.dtsi>
+
+&keyboard_controller {
+ 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 */
+ >;
+ linux,keymap = <
+ MATRIX_KEY(0x00, 0x02, KEY_BACK)
+ MATRIX_KEY(0x03, 0x02, KEY_REFRESH)
+ MATRIX_KEY(0x02, 0x02, KEY_ZOOM)
+ MATRIX_KEY(0x01, 0x02, KEY_SCALE)
+ MATRIX_KEY(0x03, 0x04, KEY_SYSRQ)
+ MATRIX_KEY(0x02, 0x04, KEY_BRIGHTNESSDOWN)
+ MATRIX_KEY(0x01, 0x04, KEY_BRIGHTNESSUP)
+ MATRIX_KEY(0x02, 0x09, KEY_MUTE)
+ MATRIX_KEY(0x01, 0x09, KEY_VOLUMEDOWN)
+ MATRIX_KEY(0x00, 0x04, KEY_VOLUMEUP)
+
+ CROS_STD_MAIN_KEYMAP
+ >;
+};
--
2.35.1