2 * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 and
6 * only version 2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
15 #ifndef PHY_QCOM_UFS_H_
16 #define PHY_QCOM_UFS_H_
21 * ufs_qcom_phy_enable_ref_clk() - Enable the phy
23 * @phy: reference to a generic phy
25 * returns 0 for success, and non-zero for error.
27 int ufs_qcom_phy_enable_ref_clk(struct phy *phy);
30 * ufs_qcom_phy_disable_ref_clk() - Disable the phy
32 * @phy: reference to a generic phy.
34 void ufs_qcom_phy_disable_ref_clk(struct phy *phy);
37 * ufs_qcom_phy_enable_dev_ref_clk() - Enable the device
39 * @phy: reference to a generic phy.
41 void ufs_qcom_phy_enable_dev_ref_clk(struct phy *phy);
44 * ufs_qcom_phy_disable_dev_ref_clk() - Disable the device
46 * @phy: reference to a generic phy.
48 void ufs_qcom_phy_disable_dev_ref_clk(struct phy *phy);
50 int ufs_qcom_phy_enable_iface_clk(struct phy *phy);
51 void ufs_qcom_phy_disable_iface_clk(struct phy *phy);
52 int ufs_qcom_phy_start_serdes(struct phy *phy);
53 int ufs_qcom_phy_set_tx_lane_enable(struct phy *phy, u32 tx_lanes);
54 int ufs_qcom_phy_calibrate_phy(struct phy *phy, bool is_rate_B);
55 int ufs_qcom_phy_is_pcs_ready(struct phy *phy);
56 void ufs_qcom_phy_save_controller_version(struct phy *phy,
57 u8 major, u16 minor, u16 step);
59 #endif /* PHY_QCOM_UFS_H_ */