netdev - Re: [PATCH v1 1/2] ARM: dts: imx6sl: add fec sleep pinctrl for pin PM state

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Message-ID: <20140521065606.GC25299@dragon>
Date:	Wed, 21 May 2014 14:56:07 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	Fugang Duan <b38611@...escale.com>
CC:	<davem@...emloft.net>, <linux-arm-kernel@...ts.infradead.org>,
	<netdev@...r.kernel.org>, <kernel@...gutronix.de>,
	<b20596@...escale.com>
Subject: Re: [PATCH v1 1/2] ARM: dts: imx6sl: add fec sleep pinctrl for pin
 PM state

On Tue, May 20, 2014 at 02:50:44PM +0800, Fugang Duan wrote:
> when system suspend, need to set pins to low power state to
> save IO power consumption, there are three states of pinctrl:
> "default", "idle" and "sleep". Currently enet supports default
> and sleep state.
> 
> Signed-off-by: Fugang Duan <B38611@...escale.com>

I understand that this dts patch can be applied independently.  So
patch applied, thanks.

Shawn

> ---
>  arch/arm/boot/dts/imx6sl-evk.dts |   16 +++++++++++++++-
>  1 files changed, 15 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
> index a8d9a93..050786d 100644
> --- a/arch/arm/boot/dts/imx6sl-evk.dts
> +++ b/arch/arm/boot/dts/imx6sl-evk.dts
> @@ -116,8 +116,9 @@
>  };
>  
>  &fec {
> -	pinctrl-names = "default";
> +	pinctrl-names = "default", "sleep";
>  	pinctrl-0 = <&pinctrl_fec>;
> +	pinctrl-1 = <&pinctrl_fec_sleep>;
>  	phy-mode = "rmii";
>  	status = "okay";
>  };
> @@ -300,6 +301,19 @@
>  			>;
>  		};
>  
> +		pinctrl_fec_sleep: fecgrp-sleep {
> +			fsl,pins = <
> +				MX6SL_PAD_FEC_MDC__GPIO4_IO23      0x3080
> +				MX6SL_PAD_FEC_CRS_DV__GPIO4_IO25   0x3080
> +				MX6SL_PAD_FEC_RXD0__GPIO4_IO17     0x3080
> +				MX6SL_PAD_FEC_RXD1__GPIO4_IO18     0x3080
> +				MX6SL_PAD_FEC_TX_EN__GPIO4_IO22    0x3080
> +				MX6SL_PAD_FEC_TXD0__GPIO4_IO24     0x3080
> +				MX6SL_PAD_FEC_TXD1__GPIO4_IO16     0x3080
> +				MX6SL_PAD_FEC_REF_CLK__GPIO4_IO26  0x3080
> +			>;
> +		};
> +
>  		pinctrl_i2c1: i2c1grp {
>  			fsl,pins = <
>  				MX6SL_PAD_I2C1_SCL__I2C1_SCL	0x4001b8b1
> -- 
> 1.7.8
> 
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