ARM: Kirkwood: Convert DNSKW to use gpio-poweroff.

Also enable the gpio-poweroff driver when DT is used.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

3 files changed, 8 insertions, 12 deletions

diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
index fd23e63d7dbc..28263a1171ab 100644
--- a/arch/arm/boot/dts/kirkwood-dnskw.dtsi
+++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
@@ -35,6 +35,11 @@
                                       6000 2>;
         };
 
+        gpio_poweroff {
+                compatible = "gpio-poweroff";
+                gpios = <&gpio1 4 0>;
+        };
+
         ocp@f1000000 {
                 sata@80000 {
                         status = "okay";
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index d018ad4bcc3c..35b3258cdccd 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -46,6 +46,9 @@ config MACH_GURUPLUG
 
 config ARCH_KIRKWOOD_DT
         bool "Marvell Kirkwood Flattened Device Tree"
+        select POWER_SUPPLY
+        select POWER_RESET
+        select POWER_RESET_GPIO
         select USE_OF
         help
           Say 'Y' here if you want your kernel to support the
diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c
index 2ac6c60578f6..903680182453 100644
--- a/arch/arm/mach-kirkwood/board-dnskw.c
+++ b/arch/arm/mach-kirkwood/board-dnskw.c
@@ -57,11 +57,6 @@ static unsigned int dnskw_mpp_config[] __initdata = {
         0
 };
 
-static void dnskw_power_off(void)
-{
-        gpio_set_value(36, 1);
-}
-
 /* Register any GPIO for output and set the value */
 static void __init dnskw_gpio_register(unsigned gpio, char *name, int def)
 {
@@ -80,13 +75,6 @@ void __init dnskw_init(void)
 
         kirkwood_ge00_init(&dnskw_ge00_data);
 
-        /* Register power-off GPIO. */
-        if (gpio_request(36, "dnskw:power:off") == 0
-            && gpio_direction_output(36, 0) == 0)
-                pm_power_off = dnskw_power_off;
-        else
-                pr_err("dnskw: failed to configure power-off GPIO\n");
-
         /* Ensure power is supplied to both HDDs */
         dnskw_gpio_register(39, "dnskw:power:sata0", 1);
         dnskw_gpio_register(40, "dnskw:power:sata1", 1);