[PATCH 2/3] starqltechn: use button keyboard driver

[Dzmitry Sankouski]

Button keyboard driver used to navigate bootmenu entries.

Add gpio buttons, button keyboard driver.
Add gpio keys dts bindings.

Signed-off-by: Dzmitry Sankouski <dsankouski at gmail.com>
---

 arch/arm/dts/starqltechn.dts  | 18 ++++++++++++++++++
 configs/starqltechn_defconfig |  3 +++
 include/configs/sdm845.h      |  2 +-
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/starqltechn.dts b/arch/arm/dts/starqltechn.dts
index 34a4f59cbd..6c90447362 100644
--- a/arch/arm/dts/starqltechn.dts
+++ b/arch/arm/dts/starqltechn.dts
@@ -9,6 +9,8 @@
 /dts-v1/;
 
 #include "sdm845.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
 
 / {
 	model = "Samsung S9 (SM-G9600)";
@@ -43,6 +45,22 @@
 		format = "a8r8g8b8";
 	};
 
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		key-pwr {
+			label = "Power";
+			linux,code = <KEY_ENTER>;
+			gpios = <&pm8998_pon 0 GPIO_ACTIVE_LOW>;
+		};
+
+		key-vol-down {
+			label = "Volume Down";
+			linux,code = <KEY_DOWN>;
+			gpios = <&pm8998_pon 1 GPIO_ACTIVE_LOW>;
+		};
+	};
+
 	soc: soc {
 		serial at a84000 {
 			status = "okay";
diff --git a/configs/starqltechn_defconfig b/configs/starqltechn_defconfig
index 599d926058..92e7254c73 100644
--- a/configs/starqltechn_defconfig
+++ b/configs/starqltechn_defconfig
@@ -20,9 +20,12 @@ CONFIG_SYS_PBSIZE=532
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_BMP=y
 # CONFIG_NET is not set
+CONFIG_BUTTON=y
 CONFIG_CLK=y
 CONFIG_MSM_GPIO=y
 CONFIG_QCOM_PMIC_GPIO=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_BUTTON_KEYBOARD=y
 CONFIG_PINCTRL=y
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_QCOM=y
diff --git a/include/configs/sdm845.h b/include/configs/sdm845.h
index 2211751b54..673268dca9 100644
--- a/include/configs/sdm845.h
+++ b/include/configs/sdm845.h
@@ -16,7 +16,7 @@
 #define CFG_EXTRA_ENV_SETTINGS \
 	"bootm_size=0x4000000\0"	\
 	"bootm_low=0x80000000\0"	\
-	"stdin=serial\0"	\
+	"stdin=serial,button-kbd\0"	\
 	"stdout=serial,vidconsole\0"	\
 	"stderr=serial,vidconsole\0"	\
 	"preboot=source $prevbl_initrd_start_addr:prebootscript\0" \
-- 
2.30.2