diff options
Diffstat (limited to 'driver/retimer/nb7v904m.h')
| -rw-r--r-- | driver/retimer/nb7v904m.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/driver/retimer/nb7v904m.h b/driver/retimer/nb7v904m.h new file mode 100644 index 0000000000..4306615825 --- /dev/null +++ b/driver/retimer/nb7v904m.h @@ -0,0 +1,41 @@ +/* Copyright 2020 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. + * + * ON Semiconductor NB7V904M USB Type-C DisplayPort Alt Mode Redriver + */ + +#ifndef __CROS_EC_USB_REDRIVER_NB7V904M_H +#define __CROS_EC_USB_REDRIVER_NB7V904M_H + +#include "compile_time_macros.h" +#include "usb_mux.h" + +#define NB7V904M_I2C_ADDR0 0x19 +#define NB7V904M_I2C_ADDR1 0x1A +#define NB7V904M_I2C_ADDR2 0x1C + +/* Registers */ +#define NB7V904M_REG_GEN_DEV_SETTINGS 0x00 +#define NB7V904M_REG_AUX_CH_CTRL 0x09 + +/* 0x00 - General Device Settings */ +#define NB7V904M_CHIP_EN BIT(0) +#define NB7V904M_USB_DP_NORMAL BIT(1) +#define NB7V904M_USB_DP_FLIPPED 0 +#define NB7V904M_DP_ONLY BIT(2) +#define NB7V904M_USB_ONLY (BIT(3) | BIT(1)) +#define NB7V904M_OP_MODE_MASK GENMASK(3, 1) +#define NB7V904M_CH_A_EN BIT(4) +#define NB7V904M_CH_B_EN BIT(5) +#define NB7V904M_CH_C_EN BIT(6) +#define NB7V904M_CH_D_EN BIT(7) +#define NB7V904M_CH_EN_MASK GENMASK(7, 4) + +/* 0x09 - Auxiliary Channel Control */ +#define NB7V904M_AUX_CH_NORMAL 0 +#define NB7V904M_AUX_CH_FLIPPED BIT(0) +#define NB7V904M_AUX_CH_HI_Z BIT(1) + +extern const struct usb_retimer_driver nb7v904m_usb_redriver_drv; +#endif /* __CROS_EC_USB_REDRIVER_NB7V904M_H */ |