gpio: atmel_pio4: add support for PIO_PORTE

Add support for gpio PORT E, which is available on e.g. sama7g5 SoC.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>

diff --git a/arch/arm/mach-at91/include/mach/atmel_pio4.h b/arch/arm/mach-at91/include/mach/atmel_pio4.h
index c3bd914..b712be8 100644 (file)
--- a/arch/arm/mach-at91/include/mach/atmel_pio4.h
+++ b/arch/arm/mach-at91/include/mach/atmel_pio4.h
@@ -74,6 +74,7 @@ struct atmel_pio4_port {
 #define AT91_PIO_PORTB         0x1
 #define AT91_PIO_PORTC         0x2
 #define AT91_PIO_PORTD         0x3
+#define AT91_PIO_PORTE         0x4
 
 int atmel_pio4_set_gpio(u32 port, u32 pin, u32 config);
 int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 config);

diff --git a/drivers/gpio/atmel_pio4.c b/drivers/gpio/atmel_pio4.c
index bea609d..77a76c1 100644 (file)
--- a/drivers/gpio/atmel_pio4.c
+++ b/drivers/gpio/atmel_pio4.c
@@ -36,6 +36,11 @@ static struct atmel_pio4_port *atmel_pio4_port_base(u32 port)
        case AT91_PIO_PORTD:
                base = (struct atmel_pio4_port *)ATMEL_BASE_PIOD;
                break;
+#if (ATMEL_PIO_PORTS > 4)
+       case AT91_PIO_PORTE:
+               base = (struct atmel_pio4_port *)ATMEL_BASE_PIOE;
+               break;
+#endif
        default:
                printf("Error: Atmel PIO4: Failed to get PIO base of port#%d!\n",
                       port);