usb: gadget: renesas_usbhs: add platform power control function

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index b4cf555ce58e..17bf1f74377a 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -291,18 +291,25 @@ static u32 usbhsc_default_pipe_type[] = {
  */
 static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
 {
+        struct platform_device *pdev = usbhs_priv_to_pdev(priv);
         struct device *dev = usbhs_priv_to_dev(priv);
 
         if (enable) {
                 /* enable PM */
                 pm_runtime_get_sync(dev);
 
+                /* enable platform power */
+                usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable);
+
                 /* USB on */
                 usbhs_sys_clock_ctrl(priv, enable);
         } else {
                 /* USB off */
                 usbhs_sys_clock_ctrl(priv, enable);
 
+                /* disable platform power */
+                usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable);
+
                 /* disable PM */
                 pm_runtime_put_sync(dev);
         }
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
index c9fceb9f7690..0d3f98879256 100644
--- a/include/linux/usb/renesas_usbhs.h
+++ b/include/linux/usb/renesas_usbhs.h
@@ -67,6 +67,14 @@ struct renesas_usbhs_platform_callback {
         /*
          * option:
          *
+         * for board specific clock control
+         */
+        void (*power_ctrl)(struct platform_device *pdev,
+                           void __iomem *base, int enable);
+
+        /*
+         * option:
+         *
          * Phy reset for platform
          */
         void (*phy_reset)(struct platform_device *pdev);