// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2021 Marvell * * Authors: * Konstantin Porotchkin <[email protected]> * * Marvell CP110 UTMI PHY driver */ #include <linux/io.h> #include <linux/iopoll.h> #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/usb/of.h> #include <linux/usb/otg.h> #define UTMI_PHY_PORTS … /* CP110 UTMI register macro definetions */ #define SYSCON_USB_CFG_REG … #define USB_CFG_DEVICE_EN_MASK … #define USB_CFG_DEVICE_MUX_OFFSET … #define USB_CFG_DEVICE_MUX_MASK … #define USB_CFG_PLL_MASK … #define SYSCON_UTMI_CFG_REG(id) … #define UTMI_PHY_CFG_PU_MASK … #define UTMI_PLL_CTRL_REG … #define PLL_REFDIV_OFFSET … #define PLL_REFDIV_MASK … #define PLL_REFDIV_VAL … #define PLL_FBDIV_OFFSET … #define PLL_FBDIV_MASK … #define PLL_FBDIV_VAL … #define PLL_SEL_LPFR_MASK … #define PLL_RDY … #define UTMI_CAL_CTRL_REG … #define IMPCAL_VTH_OFFSET … #define IMPCAL_VTH_MASK … #define IMPCAL_VTH_VAL … #define IMPCAL_DONE … #define PLLCAL_DONE … #define UTMI_TX_CH_CTRL_REG … #define DRV_EN_LS_OFFSET … #define DRV_EN_LS_MASK … #define IMP_SEL_LS_OFFSET … #define IMP_SEL_LS_MASK … #define TX_AMP_OFFSET … #define TX_AMP_MASK … #define TX_AMP_VAL … #define UTMI_RX_CH_CTRL0_REG … #define SQ_DET_EN … #define SQ_ANA_DTC_SEL … #define UTMI_RX_CH_CTRL1_REG … #define SQ_AMP_CAL_OFFSET … #define SQ_AMP_CAL_MASK … #define SQ_AMP_CAL_VAL … #define SQ_AMP_CAL_EN … #define UTMI_CTRL_STATUS0_REG … #define SUSPENDM … #define TEST_SEL … #define UTMI_CHGDTC_CTRL_REG … #define VDAT_OFFSET … #define VDAT_MASK … #define VDAT_VAL … #define VSRC_OFFSET … #define VSRC_MASK … #define VSRC_VAL … #define PLL_LOCK_DELAY_US … #define PLL_LOCK_TIMEOUT_US … #define PORT_REGS(p) … /** * struct mvebu_cp110_utmi - PHY driver data * * @regs: PHY registers * @syscon: Regmap with system controller registers * @dev: device driver handle * @ops: phy ops */ struct mvebu_cp110_utmi { … }; /** * struct mvebu_cp110_utmi_port - PHY port data * * @priv: PHY driver data * @id: PHY port ID * @dr_mode: PHY connection: USB_DR_MODE_HOST or USB_DR_MODE_PERIPHERAL */ struct mvebu_cp110_utmi_port { … }; static void mvebu_cp110_utmi_port_setup(struct mvebu_cp110_utmi_port *port) { … } static int mvebu_cp110_utmi_phy_power_off(struct phy *phy) { … } static int mvebu_cp110_utmi_phy_power_on(struct phy *phy) { … } static const struct phy_ops mvebu_cp110_utmi_phy_ops = …; static const struct of_device_id mvebu_cp110_utmi_of_match[] = …; MODULE_DEVICE_TABLE(of, mvebu_cp110_utmi_of_match); static int mvebu_cp110_utmi_phy_probe(struct platform_device *pdev) { … } static struct platform_driver mvebu_cp110_utmi_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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