ARM: davinci: da830-evm: 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>

diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 7d8ab36..e52ec16 100644 (file)
--- 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));