Files
cubelinux-kernel/include/linux/platform_data/i2c-mux-reg.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

39 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* I2C multiplexer using a single register
*
* Copyright 2015 Freescale Semiconductor
* York Sun <yorksun@freescale.com>
*/
#ifndef __LINUX_PLATFORM_DATA_I2C_MUX_REG_H
#define __LINUX_PLATFORM_DATA_I2C_MUX_REG_H
/**
* struct i2c_mux_reg_platform_data - Platform-dependent data for i2c-mux-reg
* @parent: Parent I2C bus adapter number
* @base_nr: Base I2C bus number to number adapters from or zero for dynamic
* @values: Array of value for each channel
* @n_values: Number of multiplexer channels
* @little_endian: Indicating if the register is in little endian
* @write_only: Reading the register is not allowed by hardware
* @idle: Value to write to mux when idle
* @idle_in_use: indicate if idle value is in use
* @reg: Virtual address of the register to switch channel
* @reg_size: register size in bytes
*/
struct i2c_mux_reg_platform_data {
int parent;
int base_nr;
const unsigned int *values;
int n_values;
bool little_endian;
bool write_only;
u32 idle;
bool idle_in_use;
void __iomem *reg;
resource_size_t reg_size;
};
#endif /* __LINUX_PLATFORM_DATA_I2C_MUX_REG_H */