[PATCH v2 06/12] ARM: kirkwood: use devicetree for SPI on dreamplug
Andrew Lunn
andrew at lunn.ch
Tue Jul 3 10:22:39 EDT 2012
From: Michael Walle <michael at walle.cc>
Use the device tree for the SPI driver and partition layout.
Signed-off-by: Michael Walle <michael at walle.cc>
Signed-off-by: Andrew Lunn <andrew at lunn.ch>
---
arch/arm/boot/dts/kirkwood-dreamplug.dts | 29 +++++++++++++++++++++
arch/arm/mach-kirkwood/board-dreamplug.c | 41 ------------------------------
2 files changed, 29 insertions(+), 41 deletions(-)
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index a5376b8..d74d1ae 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -20,5 +20,34 @@
clock-frequency = <200000000>;
status = "ok";
};
+
+ spi at 10600 {
+ status = "okay";
+
+ m25p40 at 0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "mx25l1606e";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ mode = <0>;
+
+ partition at 0 {
+ reg = <0x0 0x80000>;
+ label = "u-boot";
+ };
+
+ partition at 100000 {
+ reg = <0x100000 0x10000>;
+ label = "u-boot env";
+ };
+
+ partition at 180000 {
+ reg = <0x180000 0x10000>;
+ label = "dtb";
+ };
+ };
+ };
};
+
};
diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c
index 55e357a..eb0e4d5 100644
--- a/arch/arm/mach-kirkwood/board-dreamplug.c
+++ b/arch/arm/mach-kirkwood/board-dreamplug.c
@@ -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);
--
1.7.10
More information about the linux-arm-kernel
mailing list