diff options
| author | Yoshihiro Shimoda | 2014-10-07 05:43:06 +0200 |
|---|---|---|
| committer | Felipe Balbi | 2014-11-03 17:00:56 +0100 |
| commit | 420974a0ed2d9da76637c2c2dc9324850e4f9a24 (patch) | |
| tree | bd1eb302cbcb4a8ac6af5ef6a3bf76e0e63fe439 /drivers/usb/renesas_usbhs | |
| parent | usb: renesas_usbhs: clean up rcar2.c to support a generic PHY (diff) | |
| download | kernel-qcow2-linux-420974a0ed2d9da76637c2c2dc9324850e4f9a24.tar.gz kernel-qcow2-linux-420974a0ed2d9da76637c2c2dc9324850e4f9a24.tar.xz kernel-qcow2-linux-420974a0ed2d9da76637c2c2dc9324850e4f9a24.zip | |
usb: renesas_usbhs: add support for generic PHY
This patch adds support for the generic PHY. The generic PHY will be
used in multiplatform environment.
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.h | 1 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar2.c | 29 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index e0d53c51c260..c45667f942b6 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -270,6 +270,7 @@ struct usbhs_priv { struct usbhs_fifo_info fifo_info; struct usb_phy *usb_phy; + struct phy *phy; }; /* diff --git a/drivers/usb/renesas_usbhs/rcar2.c b/drivers/usb/renesas_usbhs/rcar2.c index 485b88957a2f..8fc15c0ba339 100644 --- a/drivers/usb/renesas_usbhs/rcar2.c +++ b/drivers/usb/renesas_usbhs/rcar2.c @@ -12,6 +12,7 @@ #include <linux/gpio.h> #include <linux/of_gpio.h> +#include <linux/phy/phy.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/usb/phy.h> #include "common.h" @@ -21,6 +22,16 @@ static int usbhs_rcar2_hardware_init(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); + if (IS_ENABLED(CONFIG_GENERIC_PHY)) { + struct phy *phy = phy_get(&pdev->dev, "usb"); + + if (IS_ERR(phy)) + return PTR_ERR(phy); + + priv->phy = phy; + return 0; + } + if (IS_ENABLED(CONFIG_USB_PHY)) { struct usb_phy *usb_phy = usb_get_phy_dev(&pdev->dev, 0); @@ -38,6 +49,11 @@ static int usbhs_rcar2_hardware_exit(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); + if (priv->phy) { + phy_put(priv->phy); + priv->phy = NULL; + } + if (priv->usb_phy) { usb_put_phy(priv->usb_phy); priv->usb_phy = NULL; @@ -52,6 +68,19 @@ static int usbhs_rcar2_power_ctrl(struct platform_device *pdev, struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); int retval = -ENODEV; + if (priv->phy) { + if (enable) { + retval = phy_init(priv->phy); + + if (!retval) + retval = phy_power_on(priv->phy); + } else { + phy_power_off(priv->phy); + phy_exit(priv->phy); + retval = 0; + } + } + if (priv->usb_phy) { if (enable) { retval = usb_phy_init(priv->usb_phy); |