poweroff working

Documentation/devicetree/bindings/input/keys.txt

@@ -0,0 +1,8 @@
+General Keys Properties:
+
+Optional properties for Keys:
+- power-off-time-sec: Duration in seconds which the key should be kept
+ 	pressed for device to power off automatically. Device with key pressed
+ 	shutdown feature can specify this property.
+- linux,keycodes: Specifies the numeric keycode values to be used for
+	reporting key presses.

Documentation/devicetree/bindings/input/mtk-pmic-keys.txt

@@ -0,0 +1,43 @@
+MediaTek MT6397/MT6323 PMIC Keys Device Driver
+
+There are two key functions provided by MT6397/MT6323 PMIC, pwrkey
+and homekey. The key functions are defined as the subnode of the function
+node provided by MT6397/MT6323 PMIC that is being defined as one kind
+of Muti-Function Device (MFD)
+
+For MT6397/MT6323 MFD bindings see:
+Documentation/devicetree/bindings/mfd/mt6397.txt
+
+Required properties:
+- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
+- linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt
+
+Optional Properties:
+- wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
+- mediatek,long-press-mode: Long press key shutdown setting, 1 for
+	pwrkey only, 2 for pwrkey/homekey together, others for disabled.
+- power-off-time-sec: See Documentation/devicetree/bindings/input/keys.txt
+
+Example:
+
+	pmic: mt6397 {
+		compatible = "mediatek,mt6397";
+
+		...
+
+		mt6397keys: mt6397keys {
+			compatible = "mediatek,mt6397-keys";
+			mediatek,long-press-mode = <1>;
+			power-off-time-sec = <0>;
+
+			power {
+				linux,keycodes = <116>;
+				wakeup-source;
+			};
+
+			home {
+				linux,keycodes = <114>;
+			};
+		};
+
+	};

Documentation/devicetree/bindings/mfd/mt6397.txt

@@ -7,6 +7,8 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
 - GPIO
 - Clock
 - LED
+- Keys
+- Power controller
 
 It is interfaced to host controller using SPI interface by a proprietary hardware
 called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
@@ -42,6 +44,16 @@ Optional subnodes:
 		- compatible: "mediatek,mt6323-led"
 	see Documentation/devicetree/bindings/leds/leds-mt6323.txt
 
+- keys
+	Required properties:
+		- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
+	see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
+
+- power-controller
+	Required properties:
+		- compatible: "mediatek,mt6323-pwrc"
+	For details, see Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
+
 Example:
 	pwrap: pwrap@1000f000 {
 		compatible = "mediatek,mt8135-pwrap";

Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt

@@ -0,0 +1,20 @@
+Device Tree Bindings for Power Controller on MediaTek PMIC
+
+The power controller which could be found on PMIC is responsible for externally
+powering off or on the remote MediaTek SoC through the circuit BBPU.
+
+Required properties:
+- compatible: Should be one of follows
+	"mediatek,mt6323-pwrc": for MT6323 PMIC
+
+Example:
+
+	pmic {
+		compatible = "mediatek,mt6323";
+
+		...
+
+		power-controller {
+			compatible = "mediatek,mt6323-pwrc";
+		};
+	}

Documentation/devicetree/bindings/rtc/rtc-mt6397.txt

@@ -1,39 +1,29 @@
 Device-Tree bindings for MediaTek PMIC based RTC
 
-MediaTek PMIC based RTC is an independent function of MediaTek PMIC which
-is working as a multi-function device (MFD). And the RTC can be configured and
-set up via PMIC wrapper bus. Which is also common resource shared among the
-other functions present on the PMIC.
+MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
+as a type of multi-function device (MFD). The RTC can be configured and set up
+with PMIC wrapper bus which is a common resource shared with the other
+functions found on the same PMIC.
+
+For MediaTek PMIC MFD bindings, see:
+Documentation/devicetree/bindings/mfd/mt6397.txt
 
 For MediaTek PMIC wrapper bus bindings, see:
 Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
 
-Required parent node:
-- pmic
-  For MediaTek PMIC MFD bindings, see:
-  Documentation/devicetree/bindings/mfd/mt6397.txt
-
 Required properties:
 - compatible: Should be one of follows
 	"mediatek,mt6323-rtc": for MT6323 PMIC
 	"mediatek,mt6397-rtc": for MT6397 PMIC
 
-Optional child node:
-- power-off
-  For Power-Off Device for MediaTek PMIC RTC bindings, see:
-  Documentation/devicetree/bindings/power/reset/mt6397-rtc-poweroff.txt
-
 Example:
 
 	pmic {
 		compatible = "mediatek,mt6323";
 
 		...
+
 		rtc {
 			compatible = "mediatek,mt6323-rtc";
-
-			power-off {
-				compatible = "mediatek,mt6323-rtc-poweroff";
-			};
 		};
-};
+	};

MAINTAINERS

@@ -1594,7 +1594,9 @@ M:	Eddie Huang <eddie.huang@mediatek.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
+F:      Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
 F:	drivers/rtc/rtc-mt6397.c
+F:      include/linux/mfd/mt6397/rtc.h
 
 ARM/Mediatek SoC support
 M:	Matthias Brugger <matthias.bgg@gmail.com>
@@ -8614,6 +8616,13 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/mediatek/
 
+MEDIATEK BOARD LEVEL SHUTDOWN DRIVERS
+M:	Sean Wang <sean.wang@mediatek.com>
+L:	linux-pm@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
+F:	drivers/power/reset/mt6323-poweroff.c
+
 MEDIATEK JPEG DRIVER
 M:	Rick Chang <rick.chang@mediatek.com>
 M:	Bin Liu <bin.liu@mediatek.com>

arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts

@@ -871,15 +871,33 @@
 			};
 		};
 
-		mt6323rtc: rtc {
-			compatible = "mediatek,mt6323-rtc";
+                mt6323keys: mt6323keys {
+                        compatible = "mediatek,mt6323-keys";
+                        mediatek,long-press-mode = <1>;
+                        power-off-time-sec = <0>;
 
-			power-off {
-				compatible = "mediatek,mt6323-rtc-poweroff";
-			};
-		};
-	};
+                        power {
+                                linux,keycodes = <116>;
+                                wakeup-source;
+                        };
+
+                        home {
+                                linux,keycodes = <114>;
+                        };
+                };
 
+                codec: mt6397codec {
+                        compatible = "mediatek,mt6397-codec";
+                };
+
+                power-controller {
+                        compatible = "mediatek,mt6323-pwrc";
+                };
+
+                rtc {
+                        compatible = "mediatek,mt6323-rtc";
+                };
+	};
 };
 
 &consys {       

arch/arm/configs/mt7623n_evb_fwu_defconfig

@@ -193,6 +193,7 @@ CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_EVBUG=y
 CONFIG_KEYBOARD_MATRIX=y
 CONFIG_KEYBOARD_SAMSUNG=y
+CONFIG_KEYBOARD_MTK_PMIC=m
 CONFIG_MOUSE_PS2_ELANTECH=y
 CONFIG_MOUSE_PS2_SENTELIC=y
 CONFIG_INPUT_MOUSEDEV=y
@@ -376,6 +377,7 @@ CONFIG_I2C_CHARDEV=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=m
 CONFIG_RTC_DRV_DS1307_CENTURY=y
+CONFIG_RTC_DRV_MT6397=m
 
 CONFIG_SPI=y
 CONFIG_SPI_MASTER=y
@@ -385,6 +387,10 @@ CONFIG_SPI_MT65XX=m
 CONFIG_PWM=y
 CONFIG_PWM_MEDIATEK=m
 
+#reset
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_MT6323=y
+
 #Temperature sensor driver for mediatek SoCs
 CONFIG_MEDIATEK_MT6577_AUXADC=m
 CONFIG_THERMAL=m
@@ -570,7 +576,3 @@ CONFIG_NFS_COMMON=y
 #xfs
 CONFIG_XFS_FS=m
 
-#RTC/POWER
-CONFIG_POWER_RESET=y
-CONFIG_POWER_RESET_MT6397_RTC=y
-

drivers/input/keyboard/Kconfig

@@ -756,4 +756,13 @@ config KEYBOARD_BCM
 	  To compile this driver as a module, choose M here: the
 	  module will be called bcm-keypad.
 
+config KEYBOARD_MTK_PMIC
+	tristate "MediaTek PMIC keys support"
+	depends on MFD_MT6397
+	help
+	  Say Y here if you want to use the pmic keys (powerkey/homekey).
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pmic-keys.
+
 endif

drivers/input/keyboard/Makefile

@@ -41,6 +41,7 @@ obj-$(CONFIG_KEYBOARD_MATRIX)		+= matrix_keypad.o
 obj-$(CONFIG_KEYBOARD_MAX7359)		+= max7359_keypad.o
 obj-$(CONFIG_KEYBOARD_MCS)		+= mcs_touchkey.o
 obj-$(CONFIG_KEYBOARD_MPR121)		+= mpr121_touchkey.o
+obj-$(CONFIG_KEYBOARD_MTK_PMIC) 	+= mtk-pmic-keys.o
 obj-$(CONFIG_KEYBOARD_NEWTON)		+= newtonkbd.o
 obj-$(CONFIG_KEYBOARD_NOMADIK)		+= nomadik-ske-keypad.o
 obj-$(CONFIG_KEYBOARD_NSPIRE)		+= nspire-keypad.o