diff options
| author | Dylan Lai <dylai@analogixsemi.com> | 2018-03-09 13:54:08 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-04-03 21:40:51 -0700 |
| commit | 82a357a385f9eee75bfbca9911e404d54b0c3217 (patch) | |
| tree | 7509a8b541a6541b1d56fce2a5d9008a9c4323c9 /driver/tcpm/anx7447.h | |
| parent | a9c7d6b0d73eaf0c48438124b40fc054183701aa (diff) | |
| download | chrome-ec-82a357a385f9eee75bfbca9911e404d54b0c3217.tar.gz | |
TCPM: Add TCPM driver for Analogix anx7447 chip
Driver implements TCPC for ANX7447 chip. Enable Type C
port for USB and DP alt mode.
BUG=b:73793947
BRANCH=NONE
TEST=tested compiled binary for pdeval-stm32f072 board with this patch.
Power contract establishment, port role swap, DP alt mode works fine.
Change-Id: Ic11e499fc5fb4aba7732c75e4cb2fee54828c616
Reviewed-on: https://chromium-review.googlesource.com/956790
Commit-Ready: Scott Collyer <scollyer@chromium.org>
Tested-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Scott Collyer <scollyer@chromium.org>
Diffstat (limited to 'driver/tcpm/anx7447.h')
| -rw-r--r-- | driver/tcpm/anx7447.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/driver/tcpm/anx7447.h b/driver/tcpm/anx7447.h new file mode 100644 index 0000000000..a2fe128f77 --- /dev/null +++ b/driver/tcpm/anx7447.h @@ -0,0 +1,61 @@ +/* Copyright 2018 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* USB Power delivery port management */ + +#ifndef __CROS_EC_USB_PD_TCPM_ANX7447_H +#define __CROS_EC_USB_PD_TCPM_ANX7447_H + +/* Registers: TCPC slave address used */ +#define ANX7447_REG_TCPC_SWITCH_0 0xB4 +#define ANX7447_REG_TCPC_SWITCH_1 0xB5 +#define ANX7447_REG_TCPC_AUX_SWITCH 0xB6 + +#define ANX7447_REG_INTR_ALERT_MASK_0 0xC9 + +#define ANX7447_REG_TCPC_CTRL_2 0xCD +#define ANX7447_REG_ENABLE_VBUS_PROTECT 0x20 + +#define ANX7447_REG_ADC_CTRL_1 0xBF +#define ANX7447_REG_ADCFSM_EN 0x20 + +/* Registers: SPI slave address used */ +#define ANX7447_REG_HPD_CTRL_0 0x7E +#define ANX7447_REG_HPD_MODE 0x01 +#define ANX7447_REG_HPD_OUT 0x02 + +#define ANX7447_REG_HPD_DEGLITCH_H 0x80 +#define ANX7447_REG_HPD_OEN 0x40 + +#define ANX7447_REG_INTP_CTRL_0 0x9E + +struct anx7447_i2c_addr { + int tcpc_slave_addr; + int spi_slave_addr; +}; + +#define AN7447_TCPC0_I2C_ADDR 0x58 +#define AN7447_TCPC1_I2C_ADDR 0x56 +#define AN7447_TCPC2_I2C_ADDR 0x54 +#define AN7447_TCPC3_I2C_ADDR 0x52 + +#define AN7447_SPI0_I2C_ADDR 0x7E +#define AN7447_SPI1_I2C_ADDR 0x6E +#define AN7447_SPI2_I2C_ADDR 0x64 +#define AN7447_SPI3_I2C_ADDR 0x62 + +int anx7447_set_power_supply_ready(int port); +int anx7447_power_supply_reset(int port); +int anx7447_board_charging_enable(int port, int enable); + +void anx7447_hpd_mode_en(int port); +void anx7447_hpd_output_en(int port); + +extern const struct tcpm_drv anx7447_tcpm_drv; +extern const struct usb_mux_driver anx7447_usb_mux_driver; +void anx7447_tcpc_update_hpd_status(int port, int hpd_lvl, int hpd_irq); +void anx7447_tcpc_clear_hpd_status(int port); + +#endif /* __CROS_EC_USB_PD_TCPM_ANX7688_H */ |