PE3 (reference) in projects: linux-4.1.27

11 #define PE3		(1 << 3)  macro

808 							 AT91_PIOE 3 AT91_PERIPH_A AT91_PINCTRL_NONE	/* PE3 periph A */

718 	PINMUX_GPIO(PE3),

1139 	PINMUX_GPIO(PE3),

/linux-4.1.27/arch/blackfin/include/mach-common/
D	ports-e.h	`11 #define PE3 (1 << 3) macro`
/linux-4.1.27/arch/arm/boot/dts/
D	sun5i-a10s-olinuxino-micro.dts	`133 allwinner,pins = "PE3";`
D	at91sam9g45.dtsi	`808 AT91_PIOE 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PE3 periph A */`
/linux-4.1.27/drivers/pinctrl/sh-pfc/
D	pfc-shx3.c	`334 PINMUX_GPIO(PE3),`
D	pfc-sh7785.c	`718 PINMUX_GPIO(PE3),`
D	pfc-sh7203.c	`779 PINMUX_GPIO(PE3),`
D	pfc-sh7264.c	`1139 PINMUX_GPIO(PE3),`
D	pfc-sh7269.c	`1517 PINMUX_GPIO(PE3),`