diff options
Diffstat (limited to 'drivers/net/ethernet/wiznet/w5100-spi.c')
| -rw-r--r-- | drivers/net/ethernet/wiznet/w5100-spi.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/net/ethernet/wiznet/w5100-spi.c b/drivers/net/ethernet/wiznet/w5100-spi.c index 93a2d3c07303..2b4126d2427d 100644 --- a/drivers/net/ethernet/wiznet/w5100-spi.c +++ b/drivers/net/ethernet/wiznet/w5100-spi.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Ethernet driver for the WIZnet W5100/W5200/W5500 chip. * * Copyright (C) 2016 Akinobu Mita <akinobu.mita@gmail.com> * - * Licensed under the GPL-2 or later. - * * Datasheet: * http://www.wiznet.co.kr/wp-content/uploads/wiznethome/Chip/W5100/Document/W5100_Datasheet_v1.2.6.pdf * http://wiznethome.cafe24.com/wp-content/uploads/wiznethome/Chip/W5200/Documents/W5200_DS_V140E.pdf @@ -16,6 +15,7 @@ #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/of_net.h> +#include <linux/of_device.h> #include <linux/spi/spi.h> #include "w5100.h" @@ -410,14 +410,32 @@ static const struct w5100_ops w5500_ops = { .init = w5500_spi_init, }; +static const struct of_device_id w5100_of_match[] = { + { .compatible = "wiznet,w5100", .data = (const void*)W5100, }, + { .compatible = "wiznet,w5200", .data = (const void*)W5200, }, + { .compatible = "wiznet,w5500", .data = (const void*)W5500, }, + { }, +}; +MODULE_DEVICE_TABLE(of, w5100_of_match); + static int w5100_spi_probe(struct spi_device *spi) { - const struct spi_device_id *id = spi_get_device_id(spi); + const struct of_device_id *of_id; const struct w5100_ops *ops; + kernel_ulong_t driver_data; int priv_size; const void *mac = of_get_mac_address(spi->dev.of_node); - switch (id->driver_data) { + if (spi->dev.of_node) { + of_id = of_match_device(w5100_of_match, &spi->dev); + if (!of_id) + return -ENODEV; + driver_data = (kernel_ulong_t)of_id->data; + } else { + driver_data = spi_get_device_id(spi)->driver_data; + } + + switch (driver_data) { case W5100: ops = &w5100_spi_ops; priv_size = 0; @@ -454,6 +472,7 @@ static struct spi_driver w5100_spi_driver = { .driver = { .name = "w5100", .pm = &w5100_pm_ops, + .of_match_table = w5100_of_match, }, .probe = w5100_spi_probe, .remove = w5100_spi_remove, |