[PATCH] ARM: kirkwood: Add support for NETGEAR ReadyNAS Duo v2 using DT

Jason Cooper
2013-03-18T23:44:53Z

Arnaud,

On Tue, Mar 19, 2013 at 12:10:46AM +0100, Arnaud Ebalard wrote:
> Hi guys,
>
> Andrew Lunn <andrew@lunn.ch> writes:
>
> >> +void __init netgear_readynas_init(void)
> >> +{
> >> + u32 val;
> >> +
> >> + kirkwood_ge00_init(&netgear_readynas_ge00_data);
> >> + kirkwood_pcie_init(KW_PCIE0);
> >> +
> >> + /* USB 3.0 controller power on */
> >> + mdelay(3000);
> >> + val = readl(GPIO_HIGH_VIRT_BASE + 0x4);
> >> + writel(val & ~(0x1 << 14), GPIO_HIGH_VIRT_BASE + 0x4);
> >> + val = readl(GPIO_HIGH_VIRT_BASE);
> >> + writel(val | (0x1 << 14), GPIO_HIGH_VIRT_BASE);
> >
> > As Jason said, you can use a fixed regulator, in DT. Something like:
> >
> > regulators {
> > compatible = "simple-bus";
> > #address-cells = <1>;
> > #size-cells = <0>;
> >
> > usb_power: regulator at 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 14 0>;

gpio = <&gpio1 14 0>;

GPIO_HIGH_VIRT_BASE is the second bank of gpios.

hth,

Jason.