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>

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 78b0f06a09a2..ab8a8555329b 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@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";
+                                };
+                        };
+                };
         };
+
 };
diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c
index 55e357ab2923..eb0e4d5ea668 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);