Greg Kroah-Hartman
598cf27219
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>
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* AMD SPI controller driver common stuff
|
|
*
|
|
* Copyright (c) 2025, Advanced Micro Devices, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* Author: Krishnamoorthi M <krishnamoorthi.m@amd.com>
|
|
*/
|
|
|
|
#ifndef SPI_AMD_H
|
|
#define SPI_AMD_H
|
|
|
|
/**
|
|
* enum amd_spi_versions - SPI controller versions
|
|
* @AMD_SPI_V1: AMDI0061 hardware version
|
|
* @AMD_SPI_V2: AMDI0062 hardware version
|
|
* @AMD_HID2_SPI: AMDI0063 hardware version
|
|
*/
|
|
enum amd_spi_versions {
|
|
AMD_SPI_V1 = 1,
|
|
AMD_SPI_V2,
|
|
AMD_HID2_SPI,
|
|
};
|
|
|
|
/**
|
|
* struct amd_spi - SPI driver instance
|
|
* @io_remap_addr: Start address of the SPI controller registers
|
|
* @phy_dma_buf: Physical address of DMA buffer
|
|
* @dma_virt_addr: Virtual address of DMA buffer
|
|
* @version: SPI controller hardware version
|
|
* @speed_hz: Device frequency
|
|
*/
|
|
struct amd_spi {
|
|
void __iomem *io_remap_addr;
|
|
dma_addr_t phy_dma_buf;
|
|
void *dma_virt_addr;
|
|
enum amd_spi_versions version;
|
|
unsigned int speed_hz;
|
|
};
|
|
|
|
int amd_spi_probe_common(struct device *dev, struct spi_controller *host);
|
|
|
|
#endif /* SPI_AMD_H */
|