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@xxxxxxxxxxxxx>
> ---
> 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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