// SPDX-License-Identifier: GPL-2.0 /* * MediaTek USB3.1 gen2 xsphy Driver * * Copyright (c) 2018 MediaTek Inc. * Author: Chunfeng Yun <[email protected]> * */ #include <dt-bindings/phy/phy.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/of_address.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include "phy-mtk-io.h" /* u2 phy banks */ #define SSUSB_SIFSLV_MISC … #define SSUSB_SIFSLV_U2FREQ … #define SSUSB_SIFSLV_U2PHY_COM … /* u3 phy shared banks */ #define SSPXTP_SIFSLV_DIG_GLB … #define SSPXTP_SIFSLV_PHYA_GLB … /* u3 phy banks */ #define SSPXTP_SIFSLV_DIG_LN_TOP … #define SSPXTP_SIFSLV_DIG_LN_TX0 … #define SSPXTP_SIFSLV_DIG_LN_RX0 … #define SSPXTP_SIFSLV_DIG_LN_DAIF … #define SSPXTP_SIFSLV_PHYA_LN … #define XSP_U2FREQ_FMCR0 … #define P2F_RG_FREQDET_EN … #define P2F_RG_CYCLECNT … #define XSP_U2FREQ_MMONR0 … #define XSP_U2FREQ_FMMONR1 … #define P2F_RG_FRCK_EN … #define P2F_USB_FM_VALID … #define XSP_USBPHYACR0 … #define P2A0_RG_INTR_EN … #define XSP_USBPHYACR1 … #define P2A1_RG_INTR_CAL … #define P2A1_RG_VRT_SEL … #define P2A1_RG_TERM_SEL … #define XSP_USBPHYACR5 … #define P2A5_RG_HSTX_SRCAL_EN … #define P2A5_RG_HSTX_SRCTRL … #define XSP_USBPHYACR6 … #define P2A6_RG_BC11_SW_EN … #define P2A6_RG_OTG_VBUSCMP_EN … #define XSP_U2PHYDTM1 … #define P2D_FORCE_IDDIG … #define P2D_RG_VBUSVALID … #define P2D_RG_SESSEND … #define P2D_RG_AVALID … #define P2D_RG_IDDIG … #define SSPXTP_PHYA_GLB_00 … #define RG_XTP_GLB_BIAS_INTR_CTRL … #define SSPXTP_PHYA_LN_04 … #define RG_XTP_LN0_TX_IMPSEL … #define SSPXTP_PHYA_LN_14 … #define RG_XTP_LN0_RX_IMPSEL … #define XSP_REF_CLK … #define XSP_SLEW_RATE_COEF … #define XSP_SR_COEF_DIVISOR … #define XSP_FM_DET_CYCLE_CNT … struct xsphy_instance { … }; struct mtk_xsphy { … }; static void u2_phy_slew_rate_calibrate(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u2_phy_instance_init(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u2_phy_instance_power_on(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u2_phy_instance_power_off(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u2_phy_instance_set_mode(struct mtk_xsphy *xsphy, struct xsphy_instance *inst, enum phy_mode mode) { … } static void phy_parse_property(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u2_phy_props_set(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static void u3_phy_props_set(struct mtk_xsphy *xsphy, struct xsphy_instance *inst) { … } static int mtk_phy_init(struct phy *phy) { … } static int mtk_phy_power_on(struct phy *phy) { … } static int mtk_phy_power_off(struct phy *phy) { … } static int mtk_phy_exit(struct phy *phy) { … } static int mtk_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode) { … } static struct phy *mtk_phy_xlate(struct device *dev, const struct of_phandle_args *args) { … } static const struct phy_ops mtk_xsphy_ops = …; static const struct of_device_id mtk_xsphy_id_table[] = …; MODULE_DEVICE_TABLE(of, mtk_xsphy_id_table); static int mtk_xsphy_probe(struct platform_device *pdev) { … } static struct platform_driver mtk_xsphy_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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