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ARM: davinci: mityomapl138: use cell nvmem lookup for mac address 

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 15:01:15 +01:00 committed by Sekhar Nori
parent c85efcc60a
commit 32feb9481f
1 changed files with 29 additions and 0 deletions
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29
arch/arm/mach-davinci/board-mityomapl138.c
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@ -15,6 +15,7 @@
#include <linux/console.h> #include <linux/console.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/nvmem-provider.h>
#include <linux/regulator/machine.h> #include <linux/regulator/machine.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/platform_data/at24.h> #include <linux/platform_data/at24.h>
@ -161,6 +162,31 @@ bad_config:
mityomapl138_cpufreq_init(partnum); mityomapl138_cpufreq_init(partnum);
} }
/*
* We don't define a cell for factory config as it will be accessed from the
* board file using the nvmem notifier chain.
*/
static struct nvmem_cell_info mityomapl138_nvmem_cells[] = {
{
.name = "macaddr",
.offset = 0x64,
.bytes = ETH_ALEN,
}
};
static struct nvmem_cell_table mityomapl138_nvmem_cell_table = {
.nvmem_name = "1-00500",
.cells = mityomapl138_nvmem_cells,
.ncells = ARRAY_SIZE(mityomapl138_nvmem_cells),
};
static struct nvmem_cell_lookup mityomapl138_nvmem_cell_lookup = {
.nvmem_name = "1-00500",
.cell_name = "macaddr",
.dev_id = "davinci_emac.1",
.con_id = "mac-address",
};
static struct at24_platform_data mityomapl138_fd_chip = { static struct at24_platform_data mityomapl138_fd_chip = {
.byte_len = 256, .byte_len = 256,
.page_size = 8, .page_size = 8,
@ -543,6 +569,9 @@ static void __init mityomapl138_init(void)
davinci_serial_init(da8xx_serial_device); davinci_serial_init(da8xx_serial_device);
nvmem_add_cell_table(&mityomapl138_nvmem_cell_table);
nvmem_add_cell_lookups(&mityomapl138_nvmem_cell_lookup, 1);
ret = da8xx_register_i2c(0, &mityomap_i2c_0_pdata); ret = da8xx_register_i2c(0, &mityomap_i2c_0_pdata);
if (ret) if (ret)
pr_warn("i2c0 registration failed: %d\n", ret); pr_warn("i2c0 registration failed: %d\n", ret);