ARM: Kirkwood: Convert Dockstar to use regulators
Control the power to USB using a fixed regulator. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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2 changed files with 17 additions and 5 deletions
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@ -54,4 +54,21 @@
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gpios = <&gpio1 15 1>;
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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usb_power: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "USB Power";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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regulator-always-on;
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regulator-boot-on;
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gpio = <&gpio0 29 0>;
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};
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};
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};
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@ -24,7 +24,6 @@
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#include <linux/of_fdt.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <linux/gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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@ -52,9 +51,5 @@ void __init dockstar_dt_init(void)
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*/
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kirkwood_mpp_conf(dockstar_mpp_config);
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if (gpio_request(29, "USB Power Enable") != 0 ||
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gpio_direction_output(29, 1) != 0)
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pr_err("can't setup GPIO 29 (USB Power Enable)\n");
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kirkwood_ge00_init(&dockstar_ge00_data);
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}
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