ARM: Kirkwood: Convert LSXL to use regulators

Control the power to USB and HDD using a fixed regulator.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

2 files changed, 29 insertions, 8 deletions

diff --git a/arch/arm/boot/dts/kirkwood-lsxl.dtsi b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
index 798e60eeedf3..32d302ed2ed0 100644
--- a/arch/arm/boot/dts/kirkwood-lsxl.dtsi
+++ b/arch/arm/boot/dts/kirkwood-lsxl.dtsi
@@ -105,4 +105,33 @@
                                       5000 0>;
                 alarm-gpios = <&gpio1 8 0>;
         };
+
+        regulators {
+                compatible = "simple-bus";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                usb_power: regulator@1 {
+                        compatible = "regulator-fixed";
+                        reg = <1>;
+                        regulator-name = "USB Power";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        enable-active-high;
+                        regulator-always-on;
+                        regulator-boot-on;
+                        gpio = <&gpio0 11 0>;
+                };
+                hdd_power: regulator@2 {
+                        compatible = "regulator-fixed";
+                        reg = <2>;
+                        regulator-name = "HDD Power";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        enable-active-high;
+                        regulator-always-on;
+                        regulator-boot-on;
+                        gpio = <&gpio0 10 0>;
+                };
+        };
 };
diff --git a/arch/arm/mach-kirkwood/board-lsxl.c b/arch/arm/mach-kirkwood/board-lsxl.c
index b6fbdaac3843..f780e2e0c5dc 100644
--- a/arch/arm/mach-kirkwood/board-lsxl.c
+++ b/arch/arm/mach-kirkwood/board-lsxl.c
@@ -19,7 +19,6 @@
 #include <linux/spi/flash.h>
 #include <linux/spi/spi.h>
 #include <linux/mv643xx_eth.h>
-#include <linux/gpio.h>
 #include "common.h"
 #include "mpp.h"
 
@@ -61,9 +60,6 @@ static void lsxl_power_off(void)
         kirkwood_restart('h', NULL);
 }
 
-#define LSXL_GPIO_HDD_POWER 10
-#define LSXL_GPIO_USB_POWER 11
-
 void __init lsxl_init(void)
 {
         /*
@@ -71,10 +67,6 @@ void __init lsxl_init(void)
          */
         kirkwood_mpp_conf(lsxl_mpp_config);
 
-        /* usb and sata power on */
-        gpio_set_value(LSXL_GPIO_USB_POWER, 1);
-        gpio_set_value(LSXL_GPIO_HDD_POWER, 1);
-
         kirkwood_ge00_init(&lsxl_ge00_data);
         kirkwood_ge01_init(&lsxl_ge01_data);