On Mon, Jul 27, 2026 at 09:19:35PM -0400, Esteban Urrutia via B4 Relay wrote: > 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]>
Acked-by: Heikki Krogerus <[email protected]> > --- > MAINTAINERS | 7 + > drivers/usb/typec/mux/Kconfig | 10 + > drivers/usb/typec/mux/Makefile | 1 + > drivers/usb/typec/mux/ps5169.c | 535 > +++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 553 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index cc3c01eecfa2..3fa3a795c29b 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -28277,6 +28277,13 @@ 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..3ee04843fa2d > --- /dev/null > +++ b/drivers/usb/typec/mux/ps5169.c > @@ -0,0 +1,535 @@ > +// 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; > + } > + > + /* Compare chip IDs */ > + if (chip_id != PS5169_CHIP_ID) { > + dev_err(dev, "Unexpected chip ID 0x%04x\n", chip_id); > + 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", chip_revision); > + > + ret = drm_aux_bridge_register(dev); > + if (ret) { > + dev_err(dev, "Failed to register aux_bridge\n"); > + goto vcc_disable; > + } > + > + /* 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; > + } > + > + 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 switch_unregister; > + } > + 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 switch_unregister; > + } > + } 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 switch_unregister; > + } > + 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 switch_unregister; > + } > + } 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 switch_unregister; > + } > + 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 switch_unregister; > + } > + } 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; > + } > + > + /* 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" }, > + { }, > +}; > + > +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 > -- heikki
