Devicetree
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* [PATCH 6/9] ARM: kirkwood: use devicetree for SPI on dreamplug
@ 2012-06-10 10:31 Andrew Lunn
       [not found] ` <1339324322-29388-7-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
  0 siblings, 1 reply; 2+ messages in thread
From: Andrew Lunn @ 2012-06-10 10:31 UTC (permalink / raw)
  To: jason-NLaQJdtUoK4Be96aLqz0jA
  Cc: grant.likely-s3s/WqlpOiPyB63q8FvJNQ,
	spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA,
	rob.herring-bsGFqQB8/DxBDgjK7y7TUQ,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	machael-QKn5cuLxLXY, Michael Walle, Andrew Lunn

From: Michael Walle <michael-QKn5cuLxLXY@public.gmane.org>

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

Signed-off-by: Michael Walle <michael-QKn5cuLxLXY@public.gmane.org>
Signed-off-by: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
---
 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@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 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

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2012-06-10 10:31 [PATCH 6/9] ARM: kirkwood: use devicetree for SPI on dreamplug Andrew Lunn
     [not found] ` <1339324322-29388-7-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-06-10 17:08   ` Jason Cooper

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