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

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Message-ID: <20131120145926.GE14627@ns203013.ovh.net>
Date:	Wed, 20 Nov 2013 15:59:26 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Boris BREZILLON <b.brezillon@...rkiz.com>
Cc:	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Russell King <linux@....linux.org.uk>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Joachim Eastwood <manabian@...il.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 5/9] ARM: at91/dt: add mmc0 slot0 support to at91rm9200ek
 board

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@...rkiz.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@...ff200 {
> @@ -84,6 +101,24 @@
>  					reg = <0>;
>  				};
>  			};
> +
> +			mmc0: mmc@...b4000 {
> +				#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@...00000 {
> -- 
> 1.7.9.5
> 
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