linux-kernel - Re: [PATCH 04/14] ARM: dts: dra76x: Create a common file with MMC/SD IOdelay data

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Date:   Thu, 14 Dec 2017 07:15:31 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     bcousson@...libre.com, Santosh Shilimkar <ssantosh@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, nsekhar@...com
Subject: Re: [PATCH 04/14] ARM: dts: dra76x: Create a common file with MMC/SD
 IOdelay data

* Kishon Vijay Abraham I <kishon@...com> [171214 13:44]:
> +&dra7_pmx_core {
> +	mmc1_pins_default: mmc1_pins_default {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_clk.clk */
> +			DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_cmd.cmd */
> +			DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat0.dat0 */
> +			DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat1.dat1 */
> +			DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat2.dat2 */
> +			DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat3.dat3 */
> +		>;
> +	};
> +
> +	mmc1_pins_sdr12: mmc1_pins_sdr12 {
> +		pinctrl-single,pins = <
> +			DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_clk.clk */
> +			DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_cmd.cmd */
> +			DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat0.dat0 */
> +			DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat1.dat1 */
> +			DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat2.dat2 */
> +			DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0)	/* mmc1_dat3.dat3 */
> +		>;
> +	};

Can't you just do:

pinctrl-0 = <&mmc1_pins_default>;
pinctrl-1 = <&mmc1_pins_default>;
pinctrl-2 = <&mmc1_pins_hs>;
pinctrl-names = "default", "sdr12", "sdr25";

And avoid defining duplicate pinctrl groups that way?

Regards,

Tony