Re: [PATCH] ARM: at91: at91sam9x5: sets NPCS0 (PA14) back to GPIO

Alexandre Belloni
2014-07-25T08:31:00Z

Hi,

On 25/07/2014 at 08:14:40 +0200, Jiří Prchal wrote :
> I'm using custom board. My spi node:
> spi0: spi@f0000000 {

You should override the pinctrl here as you are using gpios for the cs.
pinctrl-0 = <&pinctrl_spi0_custom>;

> status = "okay";
> cs-gpios = <&pioA 23 0
> &pioA 22 0
> &pioC 29 0
> &pioA 14 0>;
>

pinctrl@fffff400 {
spi0 {
pinctrl_spi0_custom: spi0-custom {
atmel,pins =
<AT91_PIOA 23 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>,
<AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>,
<AT91_PIOC 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>,
<AT91_PIOA 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
};

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering