After ROMBOOT tries boot from flash on SPI0 NPCS0, this NPCS0 (PA14) remains set to PERIPH_A. Because of that, this pin is unusable to something else. This patch sets it back to GPIO. Signed-off-by: Jiri Prchal <jiri.prchal@xxxxxxxxxxx>
--- a/linux-3.16-rc6/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/linux-3.16-rc6/arch/arm/boot/dts/at91sam9x5.dtsi @@ -624,7 +624,8 @@ atmel,pins = <AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA11 periph A SPI0_MISO pin */ AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA12 periph A SPI0_MOSI pin */ - AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA13 periph A SPI0_SPCK pin */ + AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA13 periph A SPI0_SPCK pin */ + AT91_PIOA 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; /* set from ROMBOOT to periph A */ }; };
