forked from mirrors/linux
a27b406a49
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>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2024, KEBA Industrial Automation Gmbh */
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#ifndef _LINUX_MISC_KEBA_H
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#define _LINUX_MISC_KEBA_H
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#include <linux/auxiliary_bus.h>
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struct i2c_board_info;
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struct spi_board_info;
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/**
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* struct keba_i2c_auxdev - KEBA I2C auxiliary device
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* @auxdev: auxiliary device object
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* @io: address range of I2C controller IO memory
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* @info_size: number of I2C devices to be probed
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* @info: I2C devices to be probed
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*/
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struct keba_i2c_auxdev {
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struct auxiliary_device auxdev;
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struct resource io;
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int info_size;
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struct i2c_board_info *info;
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};
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/**
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* struct keba_spi_auxdev - KEBA SPI auxiliary device
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* @auxdev: auxiliary device object
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* @io: address range of SPI controller IO memory
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* @info_size: number of SPI devices to be probed
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* @info: SPI devices to be probed
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*/
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struct keba_spi_auxdev {
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struct auxiliary_device auxdev;
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struct resource io;
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int info_size;
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struct spi_board_info *info;
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};
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/**
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* struct keba_fan_auxdev - KEBA fan auxiliary device
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* @auxdev: auxiliary device object
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* @io: address range of fan controller IO memory
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*/
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struct keba_fan_auxdev {
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struct auxiliary_device auxdev;
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struct resource io;
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};
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/**
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* struct keba_batt_auxdev - KEBA battery auxiliary device
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* @auxdev: auxiliary device object
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* @io: address range of battery controller IO memory
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*/
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struct keba_batt_auxdev {
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struct auxiliary_device auxdev;
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struct resource io;
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};
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/**
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* struct keba_uart_auxdev - KEBA UART auxiliary device
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* @auxdev: auxiliary device object
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* @io: address range of UART controller IO memory
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* @irq: number of UART controller interrupt
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*/
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struct keba_uart_auxdev {
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struct auxiliary_device auxdev;
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struct resource io;
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unsigned int irq;
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};
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#endif /* _LINUX_MISC_KEBA_H */
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