linux/drivers/phy/intel/phy-intel-lgm-combo.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Intel Combo-PHY driver
 *
 * Copyright (C) 2019-2020 Intel Corporation.
 */

#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/iopoll.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/reset.h>

#include <dt-bindings/phy/phy.h>

#define PCIE_PHY_GEN_CTRL …
#define PCIE_PHY_CLK_PAD …

#define PAD_DIS_CFG …

#define PCS_XF_ATE_OVRD_IN_2 …
#define ADAPT_REQ_MSK …

#define PCS_XF_RX_ADAPT_ACK …
#define RX_ADAPT_ACK_BIT …

#define CR_ADDR(addr, lane) …
#define REG_COMBO_MODE(x) …
#define REG_CLK_DISABLE(x) …

#define COMBO_PHY_ID(x) …
#define PHY_ID(x) …

#define CLK_100MHZ …
#define CLK_156_25MHZ …

static const unsigned long intel_iphy_clk_rates[] = …;

enum { … };

/*
 * Clock Register bit fields to enable clocks
 * for ComboPhy according to the mode.
 */
enum intel_phy_mode { … };

/* ComboPhy mode Register values */
enum intel_combo_mode { … };

enum aggregated_mode { … };

struct intel_combo_phy;

struct intel_cbphy_iphy { … };

struct intel_combo_phy { … };

static int intel_cbphy_iphy_enable(struct intel_cbphy_iphy *iphy, bool set)
{ … }

static int intel_cbphy_pcie_refclk_cfg(struct intel_cbphy_iphy *iphy, bool set)
{ … }

static inline void combo_phy_w32_off_mask(void __iomem *base, unsigned int reg,
					  u32 mask, u32 val)
{ … }

static int intel_cbphy_iphy_cfg(struct intel_cbphy_iphy *iphy,
				int (*phy_cfg)(struct intel_cbphy_iphy *))
{ … }

static int intel_cbphy_pcie_en_pad_refclk(struct intel_cbphy_iphy *iphy)
{ … }

static int intel_cbphy_pcie_dis_pad_refclk(struct intel_cbphy_iphy *iphy)
{ … }

static int intel_cbphy_set_mode(struct intel_combo_phy *cbphy)
{ … }

static void intel_cbphy_rst_assert(struct intel_combo_phy *cbphy)
{ … }

static void intel_cbphy_rst_deassert(struct intel_combo_phy *cbphy)
{ … }

static int intel_cbphy_iphy_power_on(struct intel_cbphy_iphy *iphy)
{ … }

static int intel_cbphy_iphy_power_off(struct intel_cbphy_iphy *iphy)
{ … }

static int intel_cbphy_init(struct phy *phy)
{ … }

static int intel_cbphy_exit(struct phy *phy)
{ … }

static int intel_cbphy_calibrate(struct phy *phy)
{ … }

static int intel_cbphy_fwnode_parse(struct intel_combo_phy *cbphy)
{ … }

static const struct phy_ops intel_cbphy_ops = …;

static struct phy *intel_cbphy_xlate(struct device *dev,
				     const struct of_phandle_args *args)
{ … }

static int intel_cbphy_create(struct intel_combo_phy *cbphy)
{ … }

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

static void intel_cbphy_remove(struct platform_device *pdev)
{ … }

static const struct of_device_id of_intel_cbphy_match[] = …;

static struct platform_driver intel_cbphy_driver = …;

module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;