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tny-a9263: add dataflash support 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-01-23 21:52:11 +01:00 committed by Sascha Hauer
parent 3e56f55939
commit 29a59f2a4f
2 changed files with 31 additions and 13 deletions
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43
arch/arm/boards/tny-a926x/init.c
View File

@ -160,16 +160,31 @@ static struct spi_board_info tny_a9g20_lpw_spi_devices[] = {
},
};
static int spi0_standard_cs[] = { AT91_PIN_PC11 };
struct at91_spi_platform_data spi0_pdata = {
.chipselect = spi0_standard_cs,
.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
static struct spi_board_info tny_a9263_spi_devices[] = {
{
.name = "mtd_dataflash",
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
.chip_select = 0,
},
};
static int spi1_standard_cs[] = { AT91_PIN_PC3 };
struct at91_spi_platform_data spi1_pdata = {
.chipselect = spi1_standard_cs,
.num_chipselect = ARRAY_SIZE(spi1_standard_cs),
static int tny_a9263_spi0_standard_cs[] = { AT91_PIN_PA5 };
struct at91_spi_platform_data tny_a9263_spi0_pdata = {
.chipselect = tny_a9263_spi0_standard_cs,
.num_chipselect = ARRAY_SIZE(tny_a9263_spi0_standard_cs),
};
static int tny_a9g20_spi0_standard_cs[] = { AT91_PIN_PC11 };
struct at91_spi_platform_data tny_a9g20_spi0_pdata = {
.chipselect = tny_a9g20_spi0_standard_cs,
.num_chipselect = ARRAY_SIZE(tny_a9g20_spi0_standard_cs),
};
static int tny_a9g20_spi1_standard_cs[] = { AT91_PIN_PC3 };
struct at91_spi_platform_data tny_a9g20_spi1_pdata = {
.chipselect = tny_a9g20_spi1_standard_cs,
.num_chipselect = ARRAY_SIZE(tny_a9g20_spi1_standard_cs),
};
static void __init ek_add_device_udc(void)
@ -182,17 +197,19 @@ static void __init ek_add_device_udc(void)
static void __init ek_add_device_spi(void)
{
if (machine_is_tny_a9263())
return;
if (machine_is_tny_a9263()) {
spi_register_board_info(tny_a9263_spi_devices,
ARRAY_SIZE(tny_a9263_spi_devices));
at91_add_device_spi(0, &tny_a9263_spi0_pdata);
if (machine_is_tny_a9g20() && at91_is_low_power_sdram()) {
} else if (machine_is_tny_a9g20() && at91_is_low_power_sdram()) {
spi_register_board_info(tny_a9g20_lpw_spi_devices,
ARRAY_SIZE(tny_a9g20_lpw_spi_devices));
at91_add_device_spi(1, &spi1_pdata);
at91_add_device_spi(1, &tny_a9g20_spi1_pdata);
} else {
spi_register_board_info(tny_a9g20_spi_devices,
ARRAY_SIZE(tny_a9g20_spi_devices));
at91_add_device_spi(0, &spi0_pdata);
at91_add_device_spi(0, &tny_a9g20_spi0_pdata);
}
}

1
arch/arm/configs/tny_a9263_defconfig
View File

@ -62,6 +62,7 @@ CONFIG_DRIVER_NET_MACB=y
CONFIG_DRIVER_SPI_ATMEL=y
CONFIG_MTD=y
# CONFIG_MTD_OOB_DEVICE is not set
CONFIG_MTD_DATAFLASH=y
CONFIG_NAND=y
# CONFIG_NAND_ECC_HW is not set
# CONFIG_NAND_ECC_HW_SYNDROME is not set