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author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2018-11-13 15:01:13 +0100 |
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committer | Sekhar Nori <nsekhar@ti.com> | 2018-12-06 16:19:50 +0530 |
commit | 628c75ddad782cea62059f04d017880b7bcf8daa (patch) | |
tree | 3bf5b3057fc9a5df67dd3d6de8c8b102f2907fcf /arch/arm/mach-davinci/board-dm646x-evm.c | |
parent | 89c817c417f468907bc15fec6384120e6deb57c6 (diff) | |
download | linux-stable-628c75ddad782cea62059f04d017880b7bcf8daa.tar.gz linux-stable-628c75ddad782cea62059f04d017880b7bcf8daa.tar.bz2 linux-stable-628c75ddad782cea62059f04d017880b7bcf8daa.zip |
ARM: davinci: dm646x-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>
Diffstat (limited to 'arch/arm/mach-davinci/board-dm646x-evm.c')
-rw-r--r-- | arch/arm/mach-davinci/board-dm646x-evm.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 3e5ee09ee717..8d5be6dd2019 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -32,6 +32,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> +#include <linux/nvmem-provider.h> #include <linux/clk.h> #include <linux/export.h> #include <linux/platform_data/gpio-davinci.h> @@ -342,6 +343,27 @@ static struct pcf857x_platform_data pcf_data = { * - ... newer boards may have more */ +static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = { + { + .name = "macaddr", + .offset = 0x7f00, + .bytes = ETH_ALEN, + } +}; + +static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = { + .nvmem_name = "1-00500", + .cells = dm646x_evm_nvmem_cells, + .ncells = ARRAY_SIZE(dm646x_evm_nvmem_cells), +}; + +static struct nvmem_cell_lookup dm646x_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 eeprom_info = { .byte_len = (256*1024) / 8, .page_size = 64, @@ -815,6 +837,8 @@ static __init void evm_init(void) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); #ifdef CONFIG_I2C + nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table); + nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1); evm_init_i2c(); #endif |