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ARM: kirkwood: use devicetree for SPI on dreamplug 

Use the device tree for the SPI driver and partition layout.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
This commit is contained in:
Michael Walle 2012-06-06 20:40:30 +02:00 committed by Andrew Lunn
parent 4aff38a3db
commit be2aa95675
2 changed files with 29 additions and 41 deletions
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29
arch/arm/boot/dts/kirkwood-dreamplug.dts
View File

@ -20,5 +20,34 @@ serial@12000 {
clock-frequency = <200000000>;
status = "ok";
};
spi@10600 {
status = "okay";
m25p40@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mx25l1606e";
reg = <0>;
spi-max-frequency = <50000000>;
mode = <0>;
partition@0 {
reg = <0x0 0x80000>;
label = "u-boot";
};
partition@100000 {
reg = <0x100000 0x10000>;
label = "u-boot env";
};
partition@180000 {
reg = <0x180000 0x10000>;
label = "dtb";
};
};
};
};
};

41
arch/arm/mach-kirkwood/board-dreamplug.c
View File

@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/of.h>
@ -36,42 +35,6 @@
#include "common.h"
#include "mpp.h"
struct mtd_partition dreamplug_partitions[] = {
{
.name = "u-boot",
.size = SZ_512K,
.offset = 0,
},
{
.name = "u-boot env",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K,
},
{
.name = "dtb",
.size = SZ_64K,
.offset = SZ_512K + SZ_512K + SZ_512K,
},
};
static const struct flash_platform_data dreamplug_spi_slave_data = {
.type = "mx25l1606e",
.name = "spi_flash",
.parts = dreamplug_partitions,
.nr_parts = ARRAY_SIZE(dreamplug_partitions),
};
static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
{
.modalias = "m25p80",
.platform_data = &dreamplug_spi_slave_data,
.irq = -1,
.max_speed_hz = 50000000,
.bus_num = 0,
.chip_select = 0,
},
};
static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(0),
};
@ -137,10 +100,6 @@ void __init dreamplug_init(void)
*/
kirkwood_mpp_conf(dreamplug_mpp_config);
spi_register_board_info(dreamplug_spi_slave_info,
ARRAY_SIZE(dreamplug_spi_slave_info));
kirkwood_spi_init();
kirkwood_ehci_init();
kirkwood_ge00_init(&dreamplug_ge00_data);
kirkwood_ge01_init(&dreamplug_ge01_data);