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ARM: davinci: dm850-evm: use cell nvmem lookup for mac address

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We now support nvmem lookups and cell definitions for machine code.
Add relevant data structures for the mac-address stored in at24 EEPROM.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartosz Golaszewski 2018-11-13 15:01:16 +01:00 committed by Sekhar Nori
parent 32feb9481f
commit fadfc184ef
1 changed files with 29 additions and 0 deletions
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29
arch/arm/mach-davinci/board-da850-evm.c
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@ -28,6 +28,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
#include <linux/nvmem-provider.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/platform_data/gpio-davinci.h>
@ -100,6 +101,31 @@ static struct mtd_partition da850evm_spiflash_part[] = {
},
};
static struct nvmem_cell_info da850evm_nvmem_cells[] = {
{
.name = "macaddr",
.offset = 0x0,
.bytes = ETH_ALEN,
}
};
static struct nvmem_cell_table da850evm_nvmem_cell_table = {
/*
* The nvmem name differs from the partition name because of the
* internal works of the nvmem framework.
*/
.nvmem_name = "MAC-Address0",
.cells = da850evm_nvmem_cells,
.ncells = ARRAY_SIZE(da850evm_nvmem_cells),
};
static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
.nvmem_name = "MAC-Address0",
.cell_name = "macaddr",
.dev_id = "davinci_emac.1",
.con_id = "mac-address",
};
static struct flash_platform_data da850evm_spiflash_data = {
.name = "m25p80",
.parts = da850evm_spiflash_part,
@ -1395,6 +1421,9 @@ static __init void da850_evm_init(void)
davinci_serial_init(da8xx_serial_device);
nvmem_add_cell_table(&da850evm_nvmem_cell_table);
nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1);
i2c_register_board_info(1, da850_evm_i2c_devices,
ARRAY_SIZE(da850_evm_i2c_devices));