// SPDX-License-Identifier: GPL-2.0+ /* * Allwinner sun50i(H6) USB 3.0 phy driver * * Copyright (C) 2017 Icenowy Zheng <[email protected]> * * Based on phy-sun9i-usb.c, which is: * * Copyright (C) 2014-2015 Chen-Yu Tsai <[email protected]> * * Based on code from Allwinner BSP, which is: * * Copyright (c) 2010-2015 Allwinner Technology Co., Ltd. */ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/reset.h> /* Interface Status and Control Registers */ #define SUNXI_ISCR … #define SUNXI_PIPE_CLOCK_CONTROL … #define SUNXI_PHY_TUNE_LOW … #define SUNXI_PHY_TUNE_HIGH … #define SUNXI_PHY_EXTERNAL_CONTROL … /* USB2.0 Interface Status and Control Register */ #define SUNXI_ISCR_FORCE_VBUS … /* PIPE Clock Control Register */ #define SUNXI_PCC_PIPE_CLK_OPEN … /* PHY External Control Register */ #define SUNXI_PEC_EXTERN_VBUS … #define SUNXI_PEC_SSC_EN … #define SUNXI_PEC_REF_SSP_EN … /* PHY Tune High Register */ #define SUNXI_TX_DEEMPH_3P5DB(n) … #define SUNXI_TX_DEEMPH_3P5DB_MASK … #define SUNXI_TX_DEEMPH_6DB(n) … #define SUNXI_TX_DEEMPH_6GB_MASK … #define SUNXI_TX_SWING_FULL(n) … #define SUNXI_TX_SWING_FULL_MASK … #define SUNXI_LOS_BIAS(n) … #define SUNXI_LOS_BIAS_MASK … #define SUNXI_TXVBOOSTLVL(n) … #define SUNXI_TXVBOOSTLVL_MASK … struct sun50i_usb3_phy { … }; static void sun50i_usb3_phy_open(struct sun50i_usb3_phy *phy) { … } static int sun50i_usb3_phy_init(struct phy *_phy) { … } static int sun50i_usb3_phy_exit(struct phy *_phy) { … } static const struct phy_ops sun50i_usb3_phy_ops = …; static int sun50i_usb3_phy_probe(struct platform_device *pdev) { … } static const struct of_device_id sun50i_usb3_phy_of_match[] = …; MODULE_DEVICE_TABLE(of, sun50i_usb3_phy_of_match); static struct platform_driver sun50i_usb3_phy_driver = …; module_platform_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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