Re: [PATCH 5/9] ARM: at91/dt: add mmc0 slot0 support to at91rm9200ek board

Jean-Christophe PLAGNIOL-VILLARD
2013-11-20T15:04:42Z

On 13:06 Wed 28 Aug , Boris BREZILLON wrote:
> Add slot0 of mmc0 pinctrl pins definitions:
> - detect pin
> - write protect pin
> - enable slot0 pin: this pin is connected to an external switch which
> enable mmc0 slot0 or spi dataflash connected to cs3
>
> The mmc0 device is not enabled, as it depends on the choosen functionnality
> (spi cs3 or mmc0 slot0).
>
> Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
> ---
> arch/arm/boot/dts/at91rm9200ek.dts | 35 +++++++++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91rm9200ek.dts b/arch/arm/boot/dts/at91rm9200ek.dts
> index f2d6d79..2bad423 100644
> --- a/arch/arm/boot/dts/at91rm9200ek.dts
> +++ b/arch/arm/boot/dts/at91rm9200ek.dts
> @@ -39,6 +39,23 @@
> atmel,pins = <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
> };
> };
> +
> + mmc0 {
> + pinctrl_mmc0_slot0_detect: mmc0_slot0_detect-0 {
> + atmel,pins =
> + <AT91_PIOB 27 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
> + };
> +
> + pinctrl_mmc0_slot0_write_protect: mmc0_slot0_write_protect-0 {
> + atmel,pins =
> + <AT91_PIOA 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
> + };
> +
> + pinctrl_mmc0_slot0_switch: mmc0_slot0_switch-0 {
> + atmel,pins =
> + <AT91_PIOB 22 AT91_PERIPH_GPIO (AT91_PINCTRL_OUTPUT | AT91_PINCTRL_OUTPUT_VAL(1))>;
> + };
nack this is a regulator the pinctrl API is not done for gpio default value
> + };
> };
>
> dbgu: serial@fffff200 {
> @@ -84,6 +101,24 @@
> reg = <0>;
> };
> };
> +
> + mmc0: mmc@fffb4000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-0 = <&pinctrl_mmc0_clk
> + &pinctrl_mmc0_slot0_cmd_dat0
> + &pinctrl_mmc0_slot0_dat1_3
> + &pinctrl_mmc0_slot0_detect
> + &pinctrl_mmc0_slot0_write_protect
> + &pinctrl_mmc0_slot0_switch>;
> +
> + slot0: slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + cd-gpios = <&pioB 27 GPIO_ACTIVE_HIGH>;
> + wp-gpios = <&pioA 17 GPIO_ACTIVE_HIGH>;
> + };
> + };
> };
>
> usb0: ohci@00300000 {
> --
> 1.7.9.5
>