[PATCH 1/4] ARM: Kirkwood: Describe DNS325 temperature sensor in DT.

Jamie Lentin jm at lentin.co.uk
Fri Jul 20 06:30:57 EST 2012


From: Andrew Lunn <andrew at lunn.ch>

Now that we have I2C support in DT, describe the LM75 in
the DT file for the DNS325.

Signed-off-by: Andrew Lunn <andrew at lunn.ch>
Signed-off-by: Jamie Lentin <jm at lentin.co.uk>
---
 arch/arm/boot/dts/kirkwood-dns325.dts |    8 ++++++++
 arch/arm/mach-kirkwood/board-dnskw.c  |   15 ++-------------
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts
index 10bc819..e040d6c 100644
--- a/arch/arm/boot/dts/kirkwood-dns325.dts
+++ b/arch/arm/boot/dts/kirkwood-dns325.dts
@@ -16,6 +16,14 @@
 	};
 
 	ocp at f1000000 {
+		i2c at 11000 {
+			status = "okay";
+
+			lm75: lm75 at 48 {
+				compatible = "national,lm75";
+				reg = <0x48>;
+			};
+		};
 		serial at 12000 {
 			clock-frequency = <200000000>;
 			status = "okay";
diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c
index 179f4b3..1c97efa 100644
--- a/arch/arm/mach-kirkwood/board-dnskw.c
+++ b/arch/arm/mach-kirkwood/board-dnskw.c
@@ -14,7 +14,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/of.h>
@@ -153,13 +152,6 @@ static struct platform_device dns320_led_device = {
 	},
 };
 
-static struct i2c_board_info dns325_i2c_board_info[] __initdata = {
-	{
-		I2C_BOARD_INFO("lm75", 0x48),
-	},
-	/* Something at 0x0c also */
-};
-
 static struct gpio_keys_button dnskw_button_pins[] = {
 	{
 		.code		= KEY_POWER,
@@ -241,17 +233,14 @@ void __init dnskw_init(void)
 
 	kirkwood_ehci_init();
 	kirkwood_ge00_init(&dnskw_ge00_data);
-	kirkwood_i2c_init();
 
 	platform_device_register(&dnskw_button_device);
 	platform_device_register(&dnskw_fan_device);
 
-	if (of_machine_is_compatible("dlink,dns-325")) {
-		i2c_register_board_info(0, dns325_i2c_board_info,
-					ARRAY_SIZE(dns325_i2c_board_info));
+	if (of_machine_is_compatible("dlink,dns-325"))
 		platform_device_register(&dns325_led_device);
 
-	} else if (of_machine_is_compatible("dlink,dns-320"))
+	else if (of_machine_is_compatible("dlink,dns-320"))
 		platform_device_register(&dns320_led_device);
 
 	/* Register power-off GPIO. */
-- 
1.7.10.4



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