From: Roger Quadros <rogerq@ti.com>
To: <b-cousson@ti.com>, <tony@atomide.com>
Cc: Roger Quadros <rogerq@ti.com>, <linux-omap@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree-discuss@lists.ozlabs.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: omap3-beagle-xm: Add USB Host support for Rev Ax/Bx
Date: Mon, 15 Apr 2013 15:39:15 +0300 [thread overview]
Message-ID: <516BF4F3.5060904@ti.com> (raw)
In-Reply-To: <1366029306-1824-1-git-send-email-rogerq@ti.com>
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@ti.com>
> Signed-off-by: Roger Quadros <rogerq@ti.com>
> ---
> 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
next prev parent reply other threads:[~2013-04-15 12:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-15 12:35 [PATCH] ARM: dts: omap3-beagle-xm: Add USB Host support for Rev Ax/Bx Roger Quadros
2013-04-15 12:39 ` Roger Quadros [this message]
2013-04-17 0:52 ` Tony Lindgren
2013-04-17 1:30 ` Robert Nelson
2013-04-17 7:56 ` Igor Grinberg
2013-04-17 8:38 ` Roger Quadros
2013-04-17 12:26 ` Igor Grinberg
2013-04-17 17:11 ` Tony Lindgren
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