ARM: Kirkwood: Convert DNSKW to use regulators

Control the power to SATA0 and SATA1 using a fixed regulator.

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

2 files changed, 29 insertions, 4 deletions

diff --git a/arch/arm/boot/dts/kirkwood-dnskw.dtsi b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
index 28263a1171ab..d11054f538de 100644
--- a/arch/arm/boot/dts/kirkwood-dnskw.dtsi
+++ b/arch/arm/boot/dts/kirkwood-dnskw.dtsi
@@ -82,4 +82,33 @@
                         };
                 };
         };
+
+        regulators {
+                compatible = "simple-bus";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                sata0_power: regulator@1 {
+                        compatible = "regulator-fixed";
+                        reg = <1>;
+                        regulator-name = "SATA0 Power";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        enable-active-high;
+                        regulator-always-on;
+                        regulator-boot-on;
+                        gpio = <&gpio1 7 0>;
+                };
+                sata1_power: regulator@2 {
+                        compatible = "regulator-fixed";
+                        reg = <2>;
+                        regulator-name = "SATA1 Power";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        enable-active-high;
+                        regulator-always-on;
+                        regulator-boot-on;
+                        gpio = <&gpio1 8 0>;
+                };
+        };
 };
diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c
index 903680182453..6c4028c9c3b7 100644
--- a/arch/arm/mach-kirkwood/board-dnskw.c
+++ b/arch/arm/mach-kirkwood/board-dnskw.c
@@ -75,10 +75,6 @@ void __init dnskw_init(void)
 
         kirkwood_ge00_init(&dnskw_ge00_data);
 
-        /* Ensure power is supplied to both HDDs */
-        dnskw_gpio_register(39, "dnskw:power:sata0", 1);
-        dnskw_gpio_register(40, "dnskw:power:sata1", 1);
-
         /* Set NAS to turn back on after a power failure */
         dnskw_gpio_register(37, "dnskw:power:recover", 1);
 }