keypad: add gpio and adc keypad support

PD#165090: keypad: add gpio and adc keypad support

Change-Id: Icf4ea20d8523eefa76abf70b8b844922ab1ca43e
Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com>

diff --git a/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts b/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
index d253603..3269152 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
+++ b/arch/arm64/boot/dts/amlogic/g12b_a311d_skt.dts
@@ -264,6 +264,30 @@
                status = "okay";
        };
 
+       gpio_keypad {
+               compatible = "amlogic, gpio_keypad";
+               status = "okay";
+               scan_period = <20>;
+               key_num = <1>;
+               key_name = "power";
+               key_code = <116>;
+               key_pin = <&gpio_ao  GPIOAO_3  GPIO_ACTIVE_HIGH>;
+       };
+
+       adc_keypad {
+               compatible = "amlogic, adc_keypad";
+               status = "okay";
+               key_name = "menu", "vol-", "vol+", "esc", "home";
+               key_num = <5>;
+               io-channels = <&saradc SARADC_CH2>;
+               io-channel-names = "key-chan-2";
+               key_chan = <SARADC_CH2 SARADC_CH2 SARADC_CH2
+                       SARADC_CH2 SARADC_CH2>;
+               key_code = <139 114 115 1 102>;
+               key_val = <0 143 266 389 512>; //val=voltage/1800mV*1023
+               key_tolerance = <40 40 40 40 40>;
+       };
+
        unifykey{
                compatible = "amlogic, unifykey";
                status = "ok";

diff --git a/arch/arm64/boot/dts/amlogic/g12b_a311d_w400.dts b/arch/arm64/boot/dts/amlogic/g12b_a311d_w400.dts
index 9952013..de012fa 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/g12b_a311d_w400.dts
+++ b/arch/arm64/boot/dts/amlogic/g12b_a311d_w400.dts
@@ -238,6 +238,29 @@
                status = "okay";
        };
 
+       gpio_keypad {
+               compatible = "amlogic, gpio_keypad";
+               status = "okay";
+               scan_period = <20>;
+               key_num = <1>;
+               key_name = "power";
+               key_code = <116>;
+               key_pin = <&gpio_ao  GPIOAO_3  GPIO_ACTIVE_HIGH>;
+       };
+
+       adc_keypad {
+               compatible = "amlogic, adc_keypad";
+               status = "okay";
+               key_name = "vol-", "vol+", "enter";
+               key_num = <3>;
+               io-channels = <&saradc SARADC_CH2>;
+               io-channel-names = "key-chan-2";
+               key_chan = <SARADC_CH2 SARADC_CH2 SARADC_CH2>;
+               key_code = <114 115 28>;
+               key_val = <143 266 389>; //val=voltage/1800mV*1023
+               key_tolerance = <40 40 40>;
+       };
+
        unifykey{
                compatible = "amlogic, unifykey";
                status = "ok";