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>
git-mirror · Nov 24, 2012 · 5c2734a · 5c2734a
1 parent c7064a0
commit 5c2734a
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Showing 2 changed files with 29 additions and 4 deletions.
diff --git 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
@@ -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);
 }