Re: [PATCH 1/9] ARM: at91/dt: add rm9200 spi0 chip select pins definitions

Jean-Christophe PLAGNIOL-VILLARD
2013-11-20T15:04:39Z

On 13:02 Wed 28 Aug , Boris BREZILLON wrote:
> Add spi0 cs pinctrl pins definitions.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
> ---
> arch/arm/boot/dts/at91rm9200.dtsi | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
> index f770655..69b76c7 100644
> --- a/arch/arm/boot/dts/at91rm9200.dtsi
> +++ b/arch/arm/boot/dts/at91rm9200.dtsi
> @@ -486,6 +486,26 @@
> AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA1 periph A SPI0_MOSI pin */
> AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA2 periph A SPI0_SPCK pin */
> };
> +
> + pinctrl_spi0_cs0: spi0_cs0-0 {
> + atmel,pins =
> + <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA3 periph A SPI0_NPCS0 pin */
> + };
> +
> + pinctrl_spi0_cs1: spi0_cs1-0 {
> + atmel,pins =
> + <AT91_PIOA 4 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PA4 GPIO SPI0_NPCS1 pin */
> + };
> +
> + pinctrl_spi0_cs2: spi0_cs2-0 {
> + atmel,pins =
> + <AT91_PIOA 5 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PA5 GPIO SPI0_NPCS2 pin */
> + };
> +
> + pinctrl_spi0_cs3: spi0_cs3-0 {
> + atmel,pins =
> + <AT91_PIOA 6 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PA6 GPIO SPI0_NPCS3 pin */
> + };
nack the pin are not multidrive there is only one master

Best Regards,
J.
> };
>
> pioA: gpio@fffff400 {
> --
> 1.7.9.5
>