Gerhard Engleder a27b406a49 misc: keba: Add UART devices
Add support for the UART auxiliary devices. This enables access to up to
3 different UARTs, which are implemented in the FPGA.

Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20241011191257.19702-9-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-13 17:16:57 +02:00

73 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2024, KEBA Industrial Automation Gmbh */
#ifndef _LINUX_MISC_KEBA_H
#define _LINUX_MISC_KEBA_H
#include <linux/auxiliary_bus.h>
struct i2c_board_info;
struct spi_board_info;
/**
* struct keba_i2c_auxdev - KEBA I2C auxiliary device
* @auxdev: auxiliary device object
* @io: address range of I2C controller IO memory
* @info_size: number of I2C devices to be probed
* @info: I2C devices to be probed
*/
struct keba_i2c_auxdev {
struct auxiliary_device auxdev;
struct resource io;
int info_size;
struct i2c_board_info *info;
};
/**
* struct keba_spi_auxdev - KEBA SPI auxiliary device
* @auxdev: auxiliary device object
* @io: address range of SPI controller IO memory
* @info_size: number of SPI devices to be probed
* @info: SPI devices to be probed
*/
struct keba_spi_auxdev {
struct auxiliary_device auxdev;
struct resource io;
int info_size;
struct spi_board_info *info;
};
/**
* struct keba_fan_auxdev - KEBA fan auxiliary device
* @auxdev: auxiliary device object
* @io: address range of fan controller IO memory
*/
struct keba_fan_auxdev {
struct auxiliary_device auxdev;
struct resource io;
};
/**
* struct keba_batt_auxdev - KEBA battery auxiliary device
* @auxdev: auxiliary device object
* @io: address range of battery controller IO memory
*/
struct keba_batt_auxdev {
struct auxiliary_device auxdev;
struct resource io;
};
/**
* struct keba_uart_auxdev - KEBA UART auxiliary device
* @auxdev: auxiliary device object
* @io: address range of UART controller IO memory
* @irq: number of UART controller interrupt
*/
struct keba_uart_auxdev {
struct auxiliary_device auxdev;
struct resource io;
unsigned int irq;
};
#endif /* _LINUX_MISC_KEBA_H */