Hi,
On Tue, Oct 07, 2014 at 12:43:06PM +0900, Yoshihiro Shimoda wrote:
> This patch adds support for the generic PHY. The generic PHY will be
> used in multiplatform environment.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Kishon, does this look ok to you ?
> ---
> drivers/usb/renesas_usbhs/common.h | 1 +
> drivers/usb/renesas_usbhs/rcar2.c | 29 +++++++++++++++++++++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
> index e0d53c5..c45667f 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 485b889..8fc15c0 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);
> --
> 1.7.9.5
>
--
balbi
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