+++ /dev/null
-From 62ae8907efb221f232126726bf4df5c9da23a8b4 Mon Sep 17 00:00:00 2001
-From: Jesse Taube <Mr.Bossman075@gmail.com>
-Date: Thu, 8 Jul 2021 16:32:16 -0400
-Subject: [PATCH] overlays: Add overlay for cap1106 capacitive touch
- sensor
-
-Signed-off-by: Jesse Taube <mr.bossman075@gmail.com>
----
- arch/arm/boot/dts/overlays/Makefile | 1 +
- arch/arm/boot/dts/overlays/README | 6 +++
- .../arm/boot/dts/overlays/cap1106-overlay.dts | 52 +++++++++++++++++++
- 3 files changed, 59 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/cap1106-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -30,6 +30,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- audiosense-pi.dtbo \
- audremap.dtbo \
- balena-fin.dtbo \
-+ cap1106.dtbo \
- chipdip-i2s-master-dac.dtbo \
- cma.dtbo \
- dht11.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -622,6 +622,12 @@ Info: This overlay is now deprecated -
- Load: <Deprecated>
-
-
-+Name: cap1106
-+Info: Enables the ability to use the cap1106 touch sensor as a keyboard
-+Load: dtoverlay=cap1106,<param>=<val>
-+Params: int_pin GPIO pin for interrupt signal (default 23)
-+
-+
- Name: chipdip-i2s-master-dac
- Info: Configures Raspberry PI to work as I2S slave with BCLK=64Fs.
- Load: dtoverlay=chipdip-i2s-master-dac
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/cap1106-overlay.dts
-@@ -0,0 +1,52 @@
-+// Overlay for cap1106 from Microchip Semiconductor
-+// add CONFIG_KEYBOARD_CAP11XX=y
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835";
-+ fragment@0 {
-+ target = <&i2c1>;
-+ __overlay__{
-+ status = "okay";
-+ cap1106: cap1106@28 {
-+ compatible = "microchip,cap1106";
-+ pinctrl-0 = <&cap1106_pins>;
-+ pinctrl-names = "default";
-+ interrupt-parent = <&gpio>;
-+ interrupts = <4 2>;
-+ reg = <0x28>;
-+ autorepeat;
-+ microchip,sensor-gain = <2>;
-+
-+ linux,keycodes = <2>, /* KEY_1 */
-+ <3>, /* KEY_2 */
-+ <4>, /* KEY_3 */
-+ <5>, /* KEY_4 */
-+ <6>, /* KEY_5 */
-+ <7>; /* KEY_6 */
-+
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ };
-+ };
-+ };
-+ fragment@1 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ cap1106_pins: cap1106_pins {
-+ brcm,pins = <4>;
-+ brcm,function = <0>; /* in */
-+ brcm,pull = <0>; /* none */
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ int_pin = <&cap1106>, "interrupts:0",
-+ <&cap1106_pins>, "brcm,pins:0";
-+ };
-+};