u-boot/drivers/memory/atmel_ebi.c
Balamanikandan Gunasundar 68ddf18dc3 memory: atmel-ebi: add Atmel EBI (External Bus Interface) driver
The EBI is used to access peripherals like NAND, SRAM, NOR etc. Add
this driver to probe the nand flash controller. This is a dummy driver
and not yet a complete device driver for EBI.

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
2022-12-08 18:06:27 +02:00

37 lines
796 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
*/
#include <dm/device.h>
#include <dm/read.h>
#include <dm/uclass.h>
#include <fdtdec.h>
static int atmel_ebi_probe(struct udevice *dev)
{
int ret;
struct udevice *ndev;
ret = uclass_get_device_by_driver(UCLASS_MTD,
DM_DRIVER_GET(atmel_nand_controller),
&ndev);
if (ret)
printf("Failed to probe nand driver (err = %d)\n", ret);
return ret;
}
static const struct udevice_id atmel_ebi_match[] = {
{.compatible = "microchip,sam9x60-ebi"},
{.compatible = "atmel,sama5d3-ebi"},
{ /* Sentinel */ }
};
U_BOOT_DRIVER(atmel_ebi) = {
.name = "atmel_ebi",
.id = UCLASS_NOP,
.of_match = atmel_ebi_match,
.probe = atmel_ebi_probe,
.bind = dm_scan_fdt_dev,
};