From: Esteban Urrutia <[email protected]> Add driver for the Parade PS5169, an USB Type-C redriver capable of handling 10Gb/s USB signals and 8.1Gb/s DisplayPort signals.
Signed-off-by: Esteban Urrutia <[email protected]> --- MAINTAINERS | 7 + drivers/usb/typec/mux/Kconfig | 10 + drivers/usb/typec/mux/Makefile | 1 + drivers/usb/typec/mux/ps5169.c | 538 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 556 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index e95fc6f2ddc6..0ef942ac8df3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -28287,6 +28287,13 @@ F: drivers/usb/typec/tcpm/tcpm.c F: include/linux/usb/tcpci.h F: include/linux/usb/tcpm.h +USB TYPEC PS5169 MUX DRIVER +M: Esteban Urrutia <[email protected]> +L: [email protected] +S: Maintained +F: Documentation/devicetree/bindings/usb/parade,ps5169.yaml +F: drivers/usb/typec/mux/ps5169.c + USB TYPEC TUSB1046 MUX DRIVER M: Romain Gantois <[email protected]> L: [email protected] diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig index 6dd8f961b593..2838a53ce564 100644 --- a/drivers/usb/typec/mux/Kconfig +++ b/drivers/usb/typec/mux/Kconfig @@ -56,6 +56,16 @@ config TYPEC_MUX_NB7VPQ904M Say Y or M if your system has a On Semiconductor NB7VPQ904M Type-C redriver chip found on some devices with a Type-C port. +config TYPEC_MUX_PS5169 + tristate "Parade PS5169 Type-C redriver driver" + depends on I2C + depends on DRM || DRM=n + select DRM_AUX_BRIDGE if DRM_BRIDGE && OF + select REGMAP_I2C + help + Say Y or M if your system has a Parade PS5169 Type-C redriver chip + found on some devices with a Type-C port. + config TYPEC_MUX_PS883X tristate "Parade PS883x Type-C retimer driver" depends on I2C diff --git a/drivers/usb/typec/mux/Makefile b/drivers/usb/typec/mux/Makefile index b4f599eb5053..c775bfa12068 100644 --- a/drivers/usb/typec/mux/Makefile +++ b/drivers/usb/typec/mux/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_TYPEC_MUX_PI3USB30532) += pi3usb30532.o obj-$(CONFIG_TYPEC_MUX_INTEL_PMC) += intel_pmc_mux.o obj-$(CONFIG_TYPEC_MUX_IT5205) += it5205.o obj-$(CONFIG_TYPEC_MUX_NB7VPQ904M) += nb7vpq904m.o +obj-$(CONFIG_TYPEC_MUX_PS5169) += ps5169.o obj-$(CONFIG_TYPEC_MUX_PS883X) += ps883x.o obj-$(CONFIG_TYPEC_MUX_PTN36502) += ptn36502.o obj-$(CONFIG_TYPEC_MUX_TUSB1046) += tusb1046.o diff --git a/drivers/usb/typec/mux/ps5169.c b/drivers/usb/typec/mux/ps5169.c new file mode 100644 index 000000000000..74cc1504dd35 --- /dev/null +++ b/drivers/usb/typec/mux/ps5169.c @@ -0,0 +1,538 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Driver for Parade PS5169 USB Type-C linear redriver + * Registers and bits decoded from downstream drivers + * + * Copyright (c) 2026 Esteban Urrutia <[email protected]> + */ + +#include <drm/bridge/aux-bridge.h> + +#include <linux/i2c.h> +#include <linux/regmap.h> + +#include <linux/usb/typec_altmode.h> +#include <linux/usb/typec_dp.h> +#include <linux/usb/typec_mux.h> +#include <linux/usb/typec_retimer.h> + +/* Useful constants */ +#define PS5169_DP_EQ_REG_COUNT 2 +#define PS5169_USB_RX_EQ_REG_COUNT 4 +#define PS5169_USB_TX_EQ_REG_COUNT 3 + +#define PS5169_DP_EQ_LEVEL_COUNT 8 +#define PS5169_USB_RX_EQ_LEVEL_COUNT 8 +#define PS5169_USB_TX_EQ_LEVEL_COUNT 8 + +/* PS5169 registers */ +#define PS5169_CONFIG_REG 0x40 +#define PS5169_GAIN_REG 0x5c +#define PS5169_USB_RX1_LFPS_REG 0x8d +#define PS5169_USB_RX2_LFPS_REG 0x90 +#define PS5169_AUX_RX_DATA_REG 0x9f +#define PS5169_AUX_MONITORING_REG 0xa0 +#define PS5169_HPD_LEVEL_REG 0xa1 +#define PS5169_CHIP_ID_REG 0xac +#define PS5169_CHIP_REVISION_REG 0xae +/* Chip revision is split in two registers */ +#define PS5169_MAX_REG (PS5169_CHIP_REVISION_REG + 1) + +/* PS5169 register bits */ +#define PS5169_CONFIG_REVERSE BIT(4) +#define PS5169_CONFIG_DP_EN BIT(5) +#define PS5169_CONFIG_USB3_EN BIT(6) +#define PS5169_CONFIG_BASE BIT(7) + +#define PS5169_GAIN_DP BIT(4) +#define PS5169_GAIN_USB_RX BIT(2) +#define PS5169_GAIN_USB_TX BIT(0) + +#define PS5169_USB_RX_LFPS_50_OHM BIT(0) + +#define PS5169_AUX_RX_DATA_REVERSE BIT(1) + +#define PS5169_AUX_MONITORING_BIT BIT(1) +#define PS5169_HPD_LEVEL_BIT BIT(2) + +/* PS5169 register values */ +#define PS5169_CHIP_ID 0x6987 + +/* PS5169 register tables */ +static const int ps5169_dp_eq_reg[PS5169_DP_EQ_REG_COUNT] = {0x52, 0x5e}; +static const int ps5169_usb_rx_eq_reg[PS5169_USB_RX_EQ_REG_COUNT] = {0x51, 0x77, 0x54, 0x78}; +static const int ps5169_usb_tx_eq_reg[PS5169_USB_TX_EQ_REG_COUNT] = {0x50, 0x5d, 0x54}; + +/* PS5169 register mask tables */ +static const int ps5169_dp_eq_mask[PS5169_DP_EQ_REG_COUNT] = {0x70, 0x07}; +static const int ps5169_usb_rx_eq_mask[PS5169_USB_RX_EQ_REG_COUNT] = {0xf6, 0xf0, 0x0f, 0xe1}; +static const int ps5169_usb_tx_eq_mask[PS5169_USB_TX_EQ_REG_COUNT] = {0x70, 0x70, 0xf0}; + +/* PS5169 register value tables */ +static const int ps5169_dp_eq[PS5169_DP_EQ_LEVEL_COUNT][PS5169_DP_EQ_REG_COUNT] = { + {0x00, 0x04}, /* 2 dB */ + {0x10, 0x05}, /* 5.5 dB */ + {0x20, 0x06}, /* 6.5 dB */ + {0x30, 0x06}, /* 7.5 dB */ + {0x40, 0x06}, /* 8 dB */ + {0x50, 0x07}, /* 8.5 dB */ + {0x60, 0x07}, /* 9.5 dB */ + {0x70, 0x07}, /* 10 dB, supposedly */ +}; + +static const int ps5169_usb_rx_eq[PS5169_USB_RX_EQ_LEVEL_COUNT][PS5169_USB_RX_EQ_REG_COUNT] = { + {0x86, 0x00, 0x00, 0x20}, /* 5.2 dB */ + {0x96, 0x00, 0x01, 0x20}, /* 6 dB */ + {0xa6, 0x50, 0x01, 0x40}, /* 7 dB */ + {0xb6, 0x50, 0x05, 0x40}, /* 8 dB */ + {0xc6, 0xb0, 0x0c, 0x80}, /* 8.8 dB */ + {0xd6, 0xf0, 0x05, 0x80}, /* 9.6 dB */ + {0xe6, 0xf0, 0x0f, 0x80}, /* 10.4 dB */ + {0xf6, 0x30, 0x0f, 0xa1}, /* 11.2 dB */ +}; + +static const int ps5169_usb_tx_eq[PS5169_USB_TX_EQ_LEVEL_COUNT][PS5169_USB_TX_EQ_REG_COUNT] = { + {0x00, 0x40, 0x00}, /* 2 dB */ + {0x10, 0x50, 0x10}, /* 5.5 dB */ + {0x20, 0x60, 0x10}, /* 6.5 dB */ + {0x30, 0x60, 0x50}, /* 7.5 dB */ + {0x40, 0x60, 0xc0}, /* 8 dB */ + {0x50, 0x70, 0x50}, /* 8.5 dB */ + {0x60, 0x70, 0xf0}, /* 9.5 dB */ + {0x70, 0x70, 0xf0}, /* 10 dB, supposedly */ +}; + +struct redriver { + struct regulator *vcc; + struct gpio_desc *reset_gpio; + + struct regmap *regmap; + + struct typec_switch *typec_switch; + struct typec_mux *typec_mux; + + struct typec_switch_dev *sw; + struct typec_retimer *retimer; + + unsigned long mode; + enum typec_orientation orientation; + + u32 dp_eq; + u32 usb_rx_eq; + u32 usb_tx_eq; + + bool aux_rx_data_reverse; + bool tune_lfps; + + bool dp_set_gain; + bool usb_rx_set_gain; + bool usb_tx_set_gain; + + struct mutex lock; /* protect non-concurrent retimer & switch */ + + unsigned int svid; +}; + +static const struct regmap_config ps5169_regmap = { + .max_register = PS5169_MAX_REG, + .reg_bits = 8, + .val_bits = 8, + /* Accesses only done under ps5169->lock */ + .disable_locking = true, +}; + +static void ps5169_write(struct redriver *ps5169, unsigned int reg, unsigned int val) +{ + regmap_write(ps5169->regmap, reg, val); + + if (val & PS5169_CONFIG_DP_EN) { + /* Clearing this bit will enable the AUX channel */ + regmap_clear_bits(ps5169->regmap, PS5169_AUX_MONITORING_REG, + PS5169_AUX_MONITORING_BIT); + /* Setting this bit will set a high HPD level */ + regmap_set_bits(ps5169->regmap, PS5169_HPD_LEVEL_REG, PS5169_HPD_LEVEL_BIT); + } else { + /* Setting this bit will disable the AUX channel */ + regmap_set_bits(ps5169->regmap, PS5169_AUX_MONITORING_REG, + PS5169_AUX_MONITORING_BIT); + /* Clearing this bit will set a low HPD level */ + regmap_clear_bits(ps5169->regmap, PS5169_HPD_LEVEL_REG, PS5169_HPD_LEVEL_BIT); + } + + if (ps5169->tune_lfps) { + if (val & PS5169_CONFIG_USB3_EN) { + /* Setting these bits will enable a 50 ohm termination on USB RX */ + regmap_set_bits(ps5169->regmap, PS5169_USB_RX1_LFPS_REG, + PS5169_USB_RX_LFPS_50_OHM); + regmap_set_bits(ps5169->regmap, PS5169_USB_RX2_LFPS_REG, + PS5169_USB_RX_LFPS_50_OHM); + } else { + /* Clearing these bits will disable a 50 ohm termination on USB RX */ + regmap_clear_bits(ps5169->regmap, PS5169_USB_RX1_LFPS_REG, + PS5169_USB_RX_LFPS_50_OHM); + regmap_clear_bits(ps5169->regmap, PS5169_USB_RX2_LFPS_REG, + PS5169_USB_RX_LFPS_50_OHM); + } + } +} + +static int ps5169_set(struct redriver *ps5169) +{ + bool reverse = (ps5169->orientation == TYPEC_ORIENTATION_REVERSE); + unsigned int val = PS5169_CONFIG_BASE; + + switch (ps5169->mode) { + case TYPEC_STATE_SAFE: + ps5169_write(ps5169, PS5169_CONFIG_REG, val); + + return 0; + + case TYPEC_STATE_USB: + val |= PS5169_CONFIG_USB3_EN; + if (reverse) + val |= PS5169_CONFIG_REVERSE; + ps5169_write(ps5169, PS5169_CONFIG_REG, val); + + return 0; + + default: + if (ps5169->svid != USB_TYPEC_DP_SID) + return -EINVAL; + + break; + } + + switch (ps5169->mode) { + case TYPEC_DP_STATE_C: + case TYPEC_DP_STATE_E: + val |= PS5169_CONFIG_DP_EN; + if (reverse) + val |= PS5169_CONFIG_REVERSE; + ps5169_write(ps5169, PS5169_CONFIG_REG, val); + + break; + + case TYPEC_DP_STATE_D: + val |= PS5169_CONFIG_DP_EN | PS5169_CONFIG_USB3_EN; + if (reverse) + val |= PS5169_CONFIG_REVERSE; + ps5169_write(ps5169, PS5169_CONFIG_REG, val); + + break; + + default: + return -EOPNOTSUPP; + } + + return 0; +} + +static int ps5169_switch_set(struct typec_switch_dev *sw, enum typec_orientation orientation) +{ + struct redriver *ps5169 = typec_switch_get_drvdata(sw); + int ret; + + ret = typec_switch_set(ps5169->typec_switch, orientation); + if (ret) + return ret; + + mutex_lock(&ps5169->lock); + + if (ps5169->orientation != orientation) { + ps5169->orientation = orientation; + + ret = ps5169_set(ps5169); + } + + mutex_unlock(&ps5169->lock); + + return ret; +} + +static int ps5169_retimer_set(struct typec_retimer *retimer, struct typec_retimer_state *state) +{ + struct redriver *ps5169 = typec_retimer_get_drvdata(retimer); + struct typec_mux_state mux_state; + int ret = 0; + + mutex_lock(&ps5169->lock); + + if (ps5169->mode != state->mode) { + ps5169->mode = state->mode; + + if (state->alt) + ps5169->svid = state->alt->svid; + else + ps5169->svid = 0; // No SVID + + ret = ps5169_set(ps5169); + } + + mutex_unlock(&ps5169->lock); + + if (ret) + return ret; + + mux_state.alt = state->alt; + mux_state.data = state->data; + mux_state.mode = state->mode; + + return typec_mux_set(ps5169->typec_mux, &mux_state); +} + +static void ps5169_init(struct redriver *ps5169) +{ + int i; + + /* DP equalization */ + if (ps5169->dp_eq != U32_MAX) + for (i = 0; i < PS5169_DP_EQ_REG_COUNT; i++) + regmap_update_bits(ps5169->regmap, ps5169_dp_eq_reg[i], + ps5169_dp_eq_mask[i], ps5169_dp_eq[ps5169->dp_eq][i]); + + /* USB RX equalization */ + if (ps5169->usb_rx_eq != U32_MAX) + for (i = 0; i < PS5169_USB_RX_EQ_REG_COUNT; i++) + regmap_update_bits(ps5169->regmap, ps5169_usb_rx_eq_reg[i], + ps5169_usb_rx_eq_mask[i], + ps5169_usb_rx_eq[ps5169->usb_rx_eq][i]); + + /* USB TX equalization */ + if (ps5169->usb_tx_eq != U32_MAX) + for (i = 0; i < PS5169_USB_TX_EQ_REG_COUNT; i++) + regmap_update_bits(ps5169->regmap, ps5169_usb_tx_eq_reg[i], + ps5169_usb_tx_eq_mask[i], + ps5169_usb_tx_eq[ps5169->usb_tx_eq][i]); + + /* Some devices set this bit in this register, but its effect is unknown */ + regmap_assign_bits(ps5169->regmap, PS5169_AUX_RX_DATA_REG, PS5169_AUX_RX_DATA_REVERSE, + ps5169->aux_rx_data_reverse); + + /* If these bits are assigned a -0.9 dB gain will be set on the corresponding channels */ + regmap_assign_bits(ps5169->regmap, PS5169_GAIN_REG, PS5169_GAIN_DP, ps5169->dp_set_gain); + regmap_assign_bits(ps5169->regmap, PS5169_GAIN_REG, PS5169_GAIN_USB_RX, + ps5169->usb_rx_set_gain); + regmap_assign_bits(ps5169->regmap, PS5169_GAIN_REG, PS5169_GAIN_USB_TX, + ps5169->usb_tx_set_gain); +} + +static int ps5169_probe(struct i2c_client *client) +{ + struct redriver *ps5169; + struct device *dev = &client->dev; + int ret; + u16 chip_id; + u16 chip_revision; + struct typec_switch_desc switch_desc = { }; + struct typec_retimer_desc retimer_desc = { }; + + ps5169 = devm_kzalloc(dev, sizeof(*ps5169), GFP_KERNEL); + if (!ps5169) + return -ENOMEM; + + ps5169->vcc = devm_regulator_get(dev, "vcc"); + if (IS_ERR(ps5169->vcc)) + return dev_err_probe(dev, PTR_ERR(ps5169->vcc), "Failed to get vcc-supply\n"); + + ps5169->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ps5169->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ps5169->reset_gpio), + "Failed to get reset-gpios\n"); + + ps5169->regmap = devm_regmap_init_i2c(client, &ps5169_regmap); + if (IS_ERR(ps5169->regmap)) + return dev_err_probe(dev, PTR_ERR(ps5169->regmap), "Failed to initialize regmap\n"); + + ps5169->typec_switch = typec_switch_get(dev); + if (IS_ERR(ps5169->typec_switch)) + return dev_err_probe(dev, PTR_ERR(ps5169->typec_switch), + "Failed to get orientation-switch\n"); + + ps5169->typec_mux = typec_mux_get(dev); + if (IS_ERR(ps5169->typec_mux)) { + ret = dev_err_probe(dev, PTR_ERR(ps5169->typec_mux), "Failed to get mode-switch\n"); + goto switch_put; + } + + ret = regulator_enable(ps5169->vcc); + if (ret) { + dev_err(dev, "Failed to enable vcc-supply\n"); + goto mux_put; + } + + /* Reset the retimer */ + gpiod_set_value(ps5169->reset_gpio, 1); + usleep_range(1000, 1500); + gpiod_set_value(ps5169->reset_gpio, 0); + usleep_range(10000, 11000); + + ret = regmap_raw_read(ps5169->regmap, PS5169_CHIP_ID_REG, &chip_id, sizeof(chip_id)); + if (ret) { + dev_err(dev, "Failed to read chip ID\n"); + goto vcc_disable; + } + chip_id = cpu_to_le16(chip_id); + + /* Compare chip IDs */ + if (chip_id != PS5169_CHIP_ID) { + dev_err(dev, "Unexpected chip ID 0x%04x\n", chip_id); + ret = -EINVAL; + goto vcc_disable; + } + + /* Read chip revision */ + ret = regmap_raw_read(ps5169->regmap, PS5169_CHIP_REVISION_REG, &chip_revision, + sizeof(chip_revision)); + if (ret) { + dev_err(dev, "Failed to read chip revision\n"); + goto vcc_disable; + } + dev_dbg(dev, "Found PS5169 with chip revision 0x%04x\n", cpu_to_le16(chip_revision)); + + ret = drm_aux_bridge_register(dev); + if (ret) { + dev_err(dev, "Failed to register aux_bridge\n"); + goto vcc_disable; + } + + ps5169->mode = TYPEC_STATE_SAFE; + ps5169->orientation = TYPEC_ORIENTATION_NONE; + + /* DP equalization */ + if (device_property_present(dev, "parade,dp-eq-level")) { + ret = device_property_read_u32(dev, "parade,dp-eq-level", &ps5169->dp_eq); + if (ret) { + dev_err(dev, "Failed to read parade,dp-eq-level\n"); + goto vcc_disable; + } + if (ps5169->dp_eq > PS5169_DP_EQ_LEVEL_COUNT - 1) { + dev_err(dev, "parade,dp-eq-level exceeds maximum of %d\n", + PS5169_DP_EQ_LEVEL_COUNT - 1); + ret = -EINVAL; + goto vcc_disable; + } + } else { + dev_warn(dev, "parade,dp-eq-level is not present, leaving DP EQ as is\n"); + ps5169->dp_eq = U32_MAX; + } + + /* USB RX equalization */ + if (device_property_present(dev, "parade,usb-rx-eq-level")) { + ret = device_property_read_u32(dev, "parade,usb-rx-eq-level", &ps5169->usb_rx_eq); + if (ret) { + dev_err(dev, "Failed to read parade,usb-rx-eq-level\n"); + goto vcc_disable; + } + if (ps5169->usb_rx_eq > PS5169_USB_RX_EQ_LEVEL_COUNT - 1) { + dev_err(dev, "parade,usb-rx-eq-level exceeds maximum of %d\n", + PS5169_USB_RX_EQ_LEVEL_COUNT - 1); + ret = -EINVAL; + goto vcc_disable; + } + } else { + dev_warn(dev, "parade,usb-rx-eq-level is not present, leaving USB RX EQ as is\n"); + ps5169->usb_rx_eq = U32_MAX; + } + + /* USB TX equalization */ + if (device_property_present(dev, "parade,usb-tx-eq-level")) { + ret = device_property_read_u32(dev, "parade,usb-tx-eq-level", &ps5169->usb_tx_eq); + if (ret) { + dev_err(dev, "Failed to read parade,usb-tx-eq-level\n"); + goto vcc_disable; + } + if (ps5169->usb_tx_eq > PS5169_USB_TX_EQ_LEVEL_COUNT - 1) { + dev_err(dev, "parade,usb-tx-eq-level exceeds maximum of %d\n", + PS5169_USB_TX_EQ_LEVEL_COUNT - 1); + ret = -EINVAL; + goto vcc_disable; + } + } else { + dev_warn(dev, "parade,usb-tx-eq-level is not present, leaving USB TX EQ as is\n"); + ps5169->usb_tx_eq = U32_MAX; + } + + /* orientation-switch */ + switch_desc.drvdata = ps5169; + switch_desc.fwnode = dev_fwnode(dev); + switch_desc.set = ps5169_switch_set; + + ps5169->sw = typec_switch_register(dev, &switch_desc); + if (IS_ERR(ps5169->sw)) { + ret = dev_err_probe(dev, PTR_ERR(ps5169->sw), "Failed to register switch\n"); + goto vcc_disable; + } + + /* retimer-switch */ + retimer_desc.drvdata = ps5169; + retimer_desc.fwnode = dev_fwnode(dev); + retimer_desc.set = ps5169_retimer_set; + + ps5169->retimer = typec_retimer_register(dev, &retimer_desc); + if (IS_ERR(ps5169->retimer)) { + ret = dev_err_probe(dev, PTR_ERR(ps5169->retimer), "Failed to register retimer\n"); + goto switch_unregister; + } + + /* Read properties from DT */ + ps5169->aux_rx_data_reverse = device_property_read_bool(dev, "parade,aux-rx-data-reverse"); + ps5169->tune_lfps = device_property_read_bool(dev, "parade,fine-tune-lfps-swing"); + ps5169->dp_set_gain = device_property_read_bool(dev, "parade,dp-set-gain"); + ps5169->usb_rx_set_gain = device_property_read_bool(dev, "parade,usb-rx-set-gain"); + ps5169->usb_tx_set_gain = device_property_read_bool(dev, "parade,usb-tx-set-gain"); + + ps5169_init(ps5169); + + mutex_init(&ps5169->lock); + + i2c_set_clientdata(client, ps5169); + + return 0; + +switch_unregister: + typec_switch_unregister(ps5169->sw); + +vcc_disable: + regulator_disable(ps5169->vcc); + +mux_put: + typec_mux_put(ps5169->typec_mux); +switch_put: + typec_switch_put(ps5169->typec_switch); + + return ret; +} + +static void ps5169_remove(struct i2c_client *client) +{ + struct redriver *ps5169 = i2c_get_clientdata(client); + + typec_retimer_unregister(ps5169->retimer); + typec_switch_unregister(ps5169->sw); + + regulator_disable(ps5169->vcc); + + typec_mux_put(ps5169->typec_mux); + typec_switch_put(ps5169->typec_switch); +} + +static const struct of_device_id ps5169_of_match_table[] = { + { .compatible = "parade,ps5169" }, + { }, +}; +MODULE_DEVICE_TABLE(of, ps5169_of_match_table); + +static struct i2c_driver ps5169_driver = { + .driver = { + .name = "ps5169", + .of_match_table = ps5169_of_match_table, + }, + .probe = ps5169_probe, + .remove = ps5169_remove, +}; + +module_i2c_driver(ps5169_driver); + +MODULE_AUTHOR("Esteban Urrutia <[email protected]>"); +MODULE_DESCRIPTION("Driver for Parade PS5169 USB Type-C linear redriver"); +MODULE_LICENSE("GPL"); -- 2.55.0
