linux-kernel - Re: [PATCH v4 2/4] ARM: dts: am335x-boneblack: add eMMC DT entry

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Date:	Fri, 13 Sep 2013 08:27:06 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Koen Kooi <koen@...inion.thruhere.net>
Cc:	linux-kernel@...r.kernel.org, bcousson@...libre.com,
	rob.herring@...xeda.com, pawel.moll@....com, mark.rutland@....com,
	swarren@...dotorg.org, ijc+devicetree@...lion.org.uk,
	linux@....linux.org.uk, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 2/4] ARM: dts: am335x-boneblack: add eMMC DT entry

* Koen Kooi <koen@...inion.thruhere.net> [130912 11:43]:
> The pinmux is specified in am335x-bone-common.dtsi to be reused by the eMMC cape.
> 
> Signed-off-by: Koen Kooi <koen@...inion.thruhere.net>
> ---
>  arch/arm/boot/dts/am335x-bone-common.dtsi | 22 ++++++++++++++++++++++
>  arch/arm/boot/dts/am335x-boneblack.dts    | 14 ++++++++++++++
>  2 files changed, 36 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
> index 0d95d54..bc8d1a2 100644
> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
> @@ -113,6 +113,21 @@
>  				0x160 (PIN_INPUT | MUX_MODE7) /* GPIO0_6 */
>  			>;
>  		};
> +
> +		emmc_pins: pinmux_emmc_pins {
> +			pinctrl-single,pins = <
> +				0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk, INPUT_PULLUP | MODE2 */
> +				0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd, INPUT_PULLUP | MODE2 */
> +				0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0, INPUT_PULLUP | MODE1 */
> +				0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1, INPUT_PULLUP | MODE1 */
> +				0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2, INPUT_PULLUP | MODE1 */
> +				0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3, INPUT_PULLUP | MODE1 */
> +				0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad4.mmc1_dat4, INPUT_PULLUP | MODE1 */
> +				0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad5.mmc1_dat5, INPUT_PULLUP | MODE1 */
> +				0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad6.mmc1_dat6, INPUT_PULLUP | MODE1 */
> +				0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7, INPUT_PULLUP | MODE1 */
> +			>;
> +		};
>  	};
>  
>  	ocp {

Here you can now use just the defines to make it a bit shorter:

0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */

Regards,

Tony
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