pinctrl: tegra186: padctl_uphy: add XUSB AO

This commit add XUSB AO programming sequence which support
UTMI/HSIC sleepwalk.

bug 200057796

Change-Id: Id20ec2becfee721a1f2cb83809f7de2d2d5a0992
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Reviewed-on: http://git-master/r/772916
Reviewed-by: ChihMin Cheng <ccheng@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Ray Sung <rsung@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/linux/phy/tegra_phy.h b/include/linux/phy/tegra_phy.h
new file mode 100644
index 000000000..eff76ee8a
--- /dev/null
+++ b/include/linux/phy/tegra_phy.h
@@ -0,0 +1,41 @@
+/*
+ * tegra_phy.h -- Tegra generic phy extensions
+ *
+ * Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DRIVERS_TEGRA_PHY_H
+#define __DRIVERS_TEGRA_PHY_H
+
+#include <linux/phy/phy.h>
+#include <linux/usb.h>
+
+#if IS_ENABLED(CONFIG_GENERIC_PHY)
+int tegra_phy_xusb_enable_sleepwalk(struct phy *phy,
+                                    enum usb_device_speed speed);
+int tegra_phy_xusb_disable_sleepwalk(struct phy *phy);
+#else
+static inline int tegra_phy_xusb_enable_sleepwalk(struct phy *phy,
+                                                  enum usb_device_speed speed)
+{
+        return -ENOSYS;
+}
+static inline int tegra_phy_xusb_disable_sleepwalk(struct phy *phy)
+{
+        return -ENOSYS;
+}
+#endif
+
+#endif /* __DRIVERS_TEGRA_PHY_H */