[PATCH v2 03/25] ARM: davinci: dm365-evm: use cell nvmem lookup for mac address

Bartosz Golaszewski
2018-11-13T14:02:03Z

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>
---
arch/arm/mach-davinci/board-dm365-evm.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 8143756ff38b..8703fc18dd3b 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -24,6 +24,7 @@
#include <linux/mtd/partitions.h>
#include <linux/slab.h>
#include <linux/mtd/rawnand.h>
+#include <linux/nvmem-provider.h>
#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
@@ -203,6 +204,27 @@ static struct platform_device davinci_aemif_device = {
.num_resources = ARRAY_SIZE(davinci_aemif_resources),
};

+static struct nvmem_cell_info davinci_nvmem_cells[] = {
+ {
+ .name = "macaddr",
+ .offset = 0x7f00,
+ .bytes = ETH_ALEN,
+ }
+};
+
+static struct nvmem_cell_table davinci_nvmem_cell_table = {
+ .nvmem_name = "1-00500",
+ .cells = davinci_nvmem_cells,
+ .ncells = ARRAY_SIZE(davinci_nvmem_cells),
+};
+
+static struct nvmem_cell_lookup davinci_nvmem_cell_lookup = {
+ .nvmem_name = "1-00500",
+ .cell_name = "macaddr",
+ .dev_id = "davinci_emac.1",
+ .con_id = "mac-address",
+};
+
static struct at24_platform_data eeprom_info = {
.byte_len = (256*1024) / 8,
.page_size = 64,
@@ -781,6 +803,9 @@ static __init void dm365_evm_init(void)
if (ret)
pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

+ nvmem_add_cell_table(&davinci_nvmem_cell_table);
+ nvmem_add_cell_lookups(&davinci_nvmem_cell_lookup, 1);
+
evm_init_i2c();
davinci_serial_init(dm365_serial_device);

--
2.19.1