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ARM: Kirkwood: Convert DNSKW to use regulators

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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>
This commit is contained in:
Andrew Lunn 2012-11-17 15:46:11 +01:00 committed by Jason Cooper
parent c7064a05bd
commit 5c2734a30c
2 changed files with 29 additions and 4 deletions
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29
arch/arm/boot/dts/kirkwood-dnskw.dtsi
View file

@ -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>;
};
};
};

4
arch/arm/mach-kirkwood/board-dnskw.c
View file

@ -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);
}