diff options
Diffstat (limited to 'src/drivers/i2c/rt5663/chip.h')
| -rw-r--r-- | src/drivers/i2c/rt5663/chip.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/drivers/i2c/rt5663/chip.h b/src/drivers/i2c/rt5663/chip.h new file mode 100644 index 0000000000..1b367c934f --- /dev/null +++ b/src/drivers/i2c/rt5663/chip.h @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2017 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * Realtek RT5663 audio codec devicetree bindings + */ +struct drivers_i2c_rt5663_config { + /* I2C Bus Frequency in Hertz (default 400kHz) */ + unsigned int bus_speed; + /* Identifier for multiple chips */ + unsigned int uid; + + /* Allow GPIO based interrupt or PIRQ */ + struct acpi_gpio irq_gpio; + struct acpi_irq irq; + + /* Manual offset value to compensate DC offset for L/R channels */ + uint32_t dc_offset_l_manual; + uint32_t dc_offset_r_manual; + uint32_t dc_offset_l_manual_mic; + uint32_t dc_offset_r_manual_mic; +}; |