// SPDX-License-Identifier: GPL-2.0 /* * PCIe SERDES driver for AM654x SoC * * Copyright (C) 2018 - 2019 Texas Instruments Incorporated - http://www.ti.com/ * Author: Kishon Vijay Abraham I <[email protected]> */ #include <dt-bindings/phy/phy.h> #include <linux/cleanup.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/module.h> #include <linux/mfd/syscon.h> #include <linux/mux/consumer.h> #include <linux/of_address.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #define CMU_R004 … #define CMU_R060 … #define CMU_R07C … #define CMU_R088 … #define CMU_R0D0 … #define CMU_R0E8 … #define LANE_R048 … #define LANE_R058 … #define LANE_R06c … #define LANE_R070 … #define LANE_R19C … #define COMLANE_R004 … #define COMLANE_R138 … #define VERSION_VAL … #define COMLANE_R190 … #define COMLANE_R194 … #define COMRXEQ_R004 … #define COMRXEQ_R008 … #define COMRXEQ_R00C … #define COMRXEQ_R014 … #define COMRXEQ_R018 … #define COMRXEQ_R01C … #define COMRXEQ_R04C … #define COMRXEQ_R088 … #define COMRXEQ_R094 … #define COMRXEQ_R098 … #define SERDES_CTRL … #define WIZ_LANEXCTL_STS … #define TX0_DISABLE_STATE … #define TX0_SLEEP_STATE … #define TX0_SNOOZE_STATE … #define TX0_ENABLE_STATE … #define RX0_DISABLE_STATE … #define RX0_SLEEP_STATE … #define RX0_SNOOZE_STATE … #define RX0_ENABLE_STATE … #define WIZ_PLL_CTRL … #define PLL_DISABLE_STATE … #define PLL_SLEEP_STATE … #define PLL_SNOOZE_STATE … #define PLL_ENABLE_STATE … #define PLL_LOCK_TIME … #define SLEEP_TIME … #define LANE_USB3 … #define LANE_PCIE0_LANE0 … #define LANE_PCIE1_LANE0 … #define LANE_PCIE0_LANE1 … #define SERDES_NUM_CLOCKS … #define AM654_SERDES_CTRL_CLKSEL_MASK … #define AM654_SERDES_CTRL_CLKSEL_SHIFT … struct serdes_am654_clk_mux { … }; #define to_serdes_am654_clk_mux(_hw) … static const struct regmap_config serdes_am654_regmap_config = …; enum serdes_am654_fields { … }; static const struct reg_field serdes_am654_reg_fields[] = …; struct serdes_am654 { … }; static int serdes_am654_enable_pll(struct serdes_am654 *phy) { … } static void serdes_am654_disable_pll(struct serdes_am654 *phy) { … } static int serdes_am654_enable_txrx(struct serdes_am654 *phy) { … } static int serdes_am654_disable_txrx(struct serdes_am654 *phy) { … } static int serdes_am654_power_on(struct phy *x) { … } static int serdes_am654_power_off(struct phy *x) { … } #define SERDES_AM654_CFG(offset, a, b, val) … static int serdes_am654_usb3_init(struct serdes_am654 *phy) { … } static int serdes_am654_pcie_init(struct serdes_am654 *phy) { … } static int serdes_am654_init(struct phy *x) { … } static int serdes_am654_reset(struct phy *x) { … } static void serdes_am654_release(struct phy *x) { … } static struct phy *serdes_am654_xlate(struct device *dev, const struct of_phandle_args *args) { … } static const struct phy_ops ops = …; #define SERDES_NUM_MUX_COMBINATIONS … #define LICLK … #define EXT_REFCLK … #define RICLK … static const int serdes_am654_mux_table[SERDES_NUM_MUX_COMBINATIONS][SERDES_NUM_CLOCKS] = …; static u8 serdes_am654_clk_mux_get_parent(struct clk_hw *hw) { … } static int serdes_am654_clk_mux_set_parent(struct clk_hw *hw, u8 index) { … } static const struct clk_ops serdes_am654_clk_mux_ops = …; static int serdes_am654_clk_register(struct serdes_am654 *am654_phy, const char *clock_name, int clock_num) { … } static const struct of_device_id serdes_am654_id_table[] = …; MODULE_DEVICE_TABLE(of, serdes_am654_id_table); static int serdes_am654_regfield_init(struct serdes_am654 *am654_phy) { … } static int serdes_am654_probe(struct platform_device *pdev) { … } static void serdes_am654_remove(struct platform_device *pdev) { … } static struct platform_driver serdes_am654_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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