PH6 (reference) in projects: linux-4.1.27

88 	gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
99 	allwinner,pins = "PH6";

472 	PINMUX_GPIO(PH6),

1292 	bool "Allow Wake-Up from on-chip PHY or PH6 GP"
1296 	  Enable PHY and PH6 GP Wake-Up (Voltage Regulator Power-Up)

/linux-4.1.27/arch/blackfin/include/mach-common/
D	ports-h.h	`14 #define PH6 (1 << 6) macro`
/linux-4.1.27/arch/arm/boot/dts/
D	sun4i-a10-hyundai-a7hd.dts	`88 gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ 99 allwinner,pins = "PH6";`
D	sunxi-common-regulators.dtsi	`69 allwinner,pins = "PH6";`
/linux-4.1.27/drivers/pinctrl/sh-pfc/
D	pfc-sh7786.c	`472 PINMUX_GPIO(PH6),`
D	pfc-sh7785.c	`745 PINMUX_GPIO(PH6),`
/linux-4.1.27/arch/blackfin/
D	Kconfig	`1292 bool "Allow Wake-Up from on-chip PHY or PH6 GP" 1296 Enable PHY and PH6 GP Wake-Up (Voltage Regulator Power-Up)`