[PATCH v2 06/25] ARM: davinci: da830-evm: use cell nvmem lookup for mac address

Bartosz Golaszewski
2018-11-13T14:05:15Z

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-da830-evm.c | 26 +++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 7d8ab36ff83d..e52ec1619b70 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -30,6 +30,7 @@
#include <linux/platform_data/usb-davinci.h>
#include <linux/platform_data/ti-aemif.h>
#include <linux/regulator/machine.h>
+#include <linux/nvmem-provider.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -435,6 +436,27 @@ static inline void da830_evm_init_lcdc(int mux_mode)
static inline void da830_evm_init_lcdc(int mux_mode) { }
#endif

+static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
+ {
+ .name = "macaddr",
+ .offset = 0x7f00,
+ .bytes = ETH_ALEN,
+ }
+};
+
+static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
+ .nvmem_name = "1-00500",
+ .cells = da830_evm_nvmem_cells,
+ .ncells = ARRAY_SIZE(da830_evm_nvmem_cells),
+};
+
+static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
+ .nvmem_name = "1-00500",
+ .cell_name = "macaddr",
+ .dev_id = "davinci_emac.1",
+ .con_id = "mac-address",
+};
+
static struct at24_platform_data da830_evm_i2c_eeprom_info = {
.byte_len = SZ_256K / 8,
.page_size = 64,
@@ -620,6 +642,10 @@ static __init void da830_evm_init(void)
__func__, ret);

davinci_serial_init(da8xx_serial_device);
+
+ nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
+ nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
+
i2c_register_board_info(1, da830_evm_i2c_devices,
ARRAY_SIZE(da830_evm_i2c_devices));

--
2.19.1