// SPDX-License-Identifier: GPL-2.0+ /* * NXP PTN36502 Type-C driver * * Copyright (C) 2023 Luca Weiss <[email protected]> * * Based on NB7VPQ904M driver: * Copyright (C) 2023 Dmitry Baryshkov <[email protected]> */ #include <drm/bridge/aux-bridge.h> #include <linux/bitfield.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/of_graph.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/usb/typec_dp.h> #include <linux/usb/typec_mux.h> #include <linux/usb/typec_retimer.h> #define PTN36502_CHIP_ID_REG … #define PTN36502_CHIP_ID … #define PTN36502_CHIP_REVISION_REG … #define PTN36502_CHIP_REVISION_BASE_MASK … #define PTN36502_CHIP_REVISION_METAL_MASK … #define PTN36502_DP_LINK_CTRL_REG … #define PTN36502_DP_LINK_CTRL_LANES_MASK … #define PTN36502_DP_LINK_CTRL_LANES_2 … #define PTN36502_DP_LINK_CTRL_LANES_4 … #define PTN36502_DP_LINK_CTRL_LINK_RATE_MASK … #define PTN36502_DP_LINK_CTRL_LINK_RATE_5_4GBPS … /* Registers for lane 0 (0x07) to lane 3 (0x0a) have the same layout */ #define PTN36502_DP_LANE_CTRL_REG(n) … #define PTN36502_DP_LANE_CTRL_RX_GAIN_MASK … #define PTN36502_DP_LANE_CTRL_RX_GAIN_3DB … #define PTN36502_DP_LANE_CTRL_TX_SWING_MASK … #define PTN36502_DP_LANE_CTRL_TX_SWING_800MVPPD … #define PTN36502_DP_LANE_CTRL_PRE_EMPHASIS_MASK … #define PTN36502_DP_LANE_CTRL_PRE_EMPHASIS_3_5DB … #define PTN36502_MODE_CTRL1_REG … #define PTN36502_MODE_CTRL1_PLUG_ORIENT_MASK … #define PTN36502_MODE_CTRL1_PLUG_ORIENT_REVERSE … #define PTN36502_MODE_CTRL1_AUX_CROSSBAR_MASK … #define PTN36502_MODE_CTRL1_AUX_CROSSBAR_SW_ON … #define PTN36502_MODE_CTRL1_MODE_MASK … #define PTN36502_MODE_CTRL1_MODE_OFF … #define PTN36502_MODE_CTRL1_MODE_USB_ONLY … #define PTN36502_MODE_CTRL1_MODE_USB_DP … #define PTN36502_MODE_CTRL1_MODE_DP … #define PTN36502_DEVICE_CTRL_REG … #define PTN36502_DEVICE_CTRL_AUX_MONITORING_MASK … #define PTN36502_DEVICE_CTRL_AUX_MONITORING_EN … struct ptn36502 { … }; static int ptn36502_set(struct ptn36502 *ptn) { … } static int ptn36502_sw_set(struct typec_switch_dev *sw, enum typec_orientation orientation) { … } static int ptn36502_retimer_set(struct typec_retimer *retimer, struct typec_retimer_state *state) { … } static int ptn36502_detect(struct ptn36502 *ptn) { … } static const struct regmap_config ptn36502_regmap = …; static int ptn36502_probe(struct i2c_client *client) { … } static void ptn36502_remove(struct i2c_client *client) { … } static const struct i2c_device_id ptn36502_table[] = …; MODULE_DEVICE_TABLE(i2c, ptn36502_table); static const struct of_device_id ptn36502_of_table[] = …; MODULE_DEVICE_TABLE(of, ptn36502_of_table); static struct i2c_driver ptn36502_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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