From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Tue, 18 Feb 2014 10:50:32 -0600 Subject: [PATCH v9 11/12] usb: phy-mxs: Add system suspend/resume API In-Reply-To: <1388111921-17326-12-git-send-email-peter.chen@freescale.com> References: <1388111921-17326-1-git-send-email-peter.chen@freescale.com> <1388111921-17326-12-git-send-email-peter.chen@freescale.com> Message-ID: <20140218165032.GN9878@saruman.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: