arm64: dts: mediatek: mt8183: add keyboard node

MT8183 has an on-SoC keyboard controller commonly used for volume
up/down buttons.

List it in the SoC dts so that boards can enable/use it.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220720-mt8183-keypad-v2-6-6d42c357cb76@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 1543876..7158948 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -943,6 +943,15 @@
                        clock-names = "spi", "wrap";
                };
 
+               keyboard: keyboard@10010000 {
+                       compatible = "mediatek,mt6779-keypad";
+                       reg = <0 0x10010000 0 0x1000>;
+                       interrupts = <GIC_SPI 186 IRQ_TYPE_EDGE_FALLING>;
+                       clocks = <&clk26m>;
+                       clock-names = "kpd";
+                       status = "disabled";
+               };
+
                scp: scp@10500000 {
                        compatible = "mediatek,mt8183-scp";
                        reg = <0 0x10500000 0 0x80000>,