linux/drivers/phy/renesas/phy-rcar-gen3-usb3.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Renesas R-Car Gen3 for USB3.0 PHY driver
 *
 * Copyright (C) 2017 Renesas Electronics Corporation
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>

#define USB30_CLKSET0 …
#define USB30_CLKSET1 …
#define USB30_SSC_SET …
#define USB30_PHY_ENABLE …
#define USB30_VBUS_EN …

/* USB30_CLKSET0 */
#define CLKSET0_PRIVATE …
#define CLKSET0_USB30_FSEL_USB_EXTAL …

/* USB30_CLKSET1 */
#define CLKSET1_USB30_PLL_MULTI_SHIFT …
#define CLKSET1_USB30_PLL_MULTI_USB_EXTAL …
#define CLKSET1_PHYRESET …
#define CLKSET1_REF_CLKDIV …
#define CLKSET1_PRIVATE_2_1 …
#define CLKSET1_REF_CLK_SEL …

/* USB30_SSC_SET */
#define SSC_SET_SSC_EN …
#define SSC_SET_RANGE_SHIFT …
#define SSC_SET_RANGE_4980 …
#define SSC_SET_RANGE_4492 …
#define SSC_SET_RANGE_4003 …

/* USB30_PHY_ENABLE */
#define PHY_ENABLE_RESET_EN …

/* USB30_VBUS_EN */
#define VBUS_EN_VBUS_EN …

struct rcar_gen3_usb3 { … };

static void write_clkset1_for_usb_extal(struct rcar_gen3_usb3 *r, bool reset)
{ … }

static void rcar_gen3_phy_usb3_enable_ssc(struct rcar_gen3_usb3 *r)
{ … }

static void rcar_gen3_phy_usb3_select_usb_extal(struct rcar_gen3_usb3 *r)
{ … }

static int rcar_gen3_phy_usb3_init(struct phy *p)
{ … }

static const struct phy_ops rcar_gen3_phy_usb3_ops = …;

static const struct of_device_id rcar_gen3_phy_usb3_match_table[] = …;
MODULE_DEVICE_TABLE(of, rcar_gen3_phy_usb3_match_table);

static int rcar_gen3_phy_usb3_probe(struct platform_device *pdev)
{ … }

static void rcar_gen3_phy_usb3_remove(struct platform_device *pdev)
{
	pm_runtime_disable(&pdev->dev);
};

static struct platform_driver rcar_gen3_phy_usb3_driver = …;
module_platform_driver(…) …;

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;