On 04/15/2013 03:35 PM, Roger Quadros wrote:
> Provide RESET and Power regulators for the USB PHY,
> the USB Host port mode and the PHY device.
>
> Also provide pin multiplexer information for USB host
> pins.
>
> This will not work for Rev Cx boards because of reversed logic
> for USB_POWER_Enable.
>
> CC: Benoît Cousson <b-cousson@xxxxxx>
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> ---
> arch/arm/boot/dts/omap3-beagle-xm.dts | 62 +++++++++++++++++++++++++++++++++
> 1 files changed, 62 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts
> index 5a31964..d394c51 100644
> --- a/arch/arm/boot/dts/omap3-beagle-xm.dts
> +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts
> @@ -57,6 +57,60 @@
> ti,mcbsp = <&mcbsp2>;
> ti,codec = <&twl_audio>;
> };
> +
> + /* HS USB Port 2 RESET */
> + hsusb2_reset: hsusb2_reset_reg {
> + compatible = "regulator-fixed";
> + regulator-name = "hsusb2_reset";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio5 19 0>; /* gpio_147 */
> + startup-delay-us = <70000>;
> + enable-active-high;
> + };
> +
> + /* HS USB Port 2 Power */
> + hsusb2_power: hsusb2_power_reg {
> + compatible = "regulator-fixed";
> + regulator-name = "hsusb2_vbus";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&twl_gpio 18 0>; /* GPIO LEDA */
> + startup-delay-us = <70000>;
> + enable-active-high; /* FIXME: active-low for Rev. C */
Benoit & Tony,
Any ideas how to tackle the reversed logic for Rev. C boards?
> + };
> +
> + /* HS USB Host PHY on PORT 2 */
> + hsusb2_phy: hsusb2_phy {
> + compatible = "usb-nop-xceiv";
> + reset-supply = <&hsusb2_reset>;
> + vcc-supply = <&hsusb2_power>;
> + };
> +
> +};
cheers,
-roger
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