[PATCH v9 11/12] usb: phy-mxs: Add system suspend/resume API

[Felipe Balbi]

On Fri, Dec 27, 2013 at 10:38:40AM +0800, Peter Chen wrote:
> We need this to keep PHY's power on or off during the system
> suspend mode. If we need to enable USB wakeup, then we
> must keep PHY's power being on during the system suspend mode.
> Otherwise, we need to keep PHY's power being off to save power.
> 
> Signed-off-by: Peter Chen <peter.chen at freescale.com>
> ---
>  drivers/usb/phy/phy-mxs-usb.c |   61 +++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 61 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
> index 96aac05..53b8dad 100644
> --- a/drivers/usb/phy/phy-mxs-usb.c
> +++ b/drivers/usb/phy/phy-mxs-usb.c
> @@ -57,6 +57,10 @@
>  #define BM_USBPHY_DEBUG_CLKGATE			BIT(30)
>  
>  /* Anatop Registers */
> +#define ANADIG_ANA_MISC0			0x150
> +#define ANADIG_ANA_MISC0_SET			0x154
> +#define ANADIG_ANA_MISC0_CLR			0x158
> +
>  #define ANADIG_USB1_VBUS_DET_STAT		0x1c0
>  #define ANADIG_USB2_VBUS_DET_STAT		0x220
>  
> @@ -65,6 +69,9 @@
>  #define ANADIG_USB2_LOOPBACK_SET		0x244
>  #define ANADIG_USB2_LOOPBACK_CLR		0x248
>  
> +#define BM_ANADIG_ANA_MISC0_STOP_MODE_CONFIG	BIT(12)
> +#define BM_ANADIG_ANA_MISC0_STOP_MODE_CONFIG_SL BIT(11)
> +
>  #define BM_ANADIG_USB1_VBUS_DET_STAT_VBUS_VALID	BIT(3)
>  #define BM_ANADIG_USB2_VBUS_DET_STAT_VBUS_VALID	BIT(3)
>  
> @@ -134,6 +141,16 @@ struct mxs_phy {
>  	int port_id;
>  };
>  
> +static inline bool is_imx6q_phy(struct mxs_phy *mxs_phy)
> +{
> +	return mxs_phy->data == &imx6q_phy_data;
> +}
> +
> +static inline bool is_imx6sl_phy(struct mxs_phy *mxs_phy)
> +{
> +	return mxs_phy->data == &imx6sl_phy_data;
> +}
> +
>  static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
>  {
>  	int ret;
> @@ -382,6 +399,8 @@ static int mxs_phy_probe(struct platform_device *pdev)
>  
>  	platform_set_drvdata(pdev, mxs_phy);
>  
> +	device_set_wakeup_capable(&pdev->dev, true);
> +
>  	ret = usb_add_phy_dev(&mxs_phy->phy);
>  	if (ret)
>  		return ret;
> @@ -398,6 +417,47 @@ static int mxs_phy_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> +#ifdef CONFIG_PM_SLEEP

please use CONFIG_PM instead.

-- 
balbi
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