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The A83T has 3 USB PHYs: 1 for USB OTG, 1 for standard USB 1.1/2.0 host,
1 for USB HSIC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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The H3 has USB0 - USB3, add support for having a USB vbus pin for USB3.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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Add support for phy 1-3.
Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl>
[hdegoede@redhat.com: use setclrbits_le32 instead of read-modify-write]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Stop prefixing the axp functions for setting voltages, etc. with the
model number, there ever is only one pmic driver built into u-boot,
this allows simplifying the callers.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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USB devices are not really designed to get the power bounced off and on
at them. Esp. USB powered harddisks do not like this.
Currently we power off the USB ports both on a "usb reset" and when
booting the kernel, causing the usb-power to bounce off and then back
on again.
This patch removes the powering off calls, fixing the undesirable power
bouncing.
Note this requires some special handling for the OTG port:
1) We must skip the external vbus check if we've already enabled our own
vbus to avoid false positives
2) If on an usb reset we no longer detect that the id-pin is grounded, turn
off vbus as that means an external vbus may be present now
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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On some boards the otg is wired up in host-only mode in this case we
have no vbus-det gpio.
Stop logging an error from sunxi_usb_phy_vbus_detect() in this case, and
stop treating sunxi_usb_phy_vbus_detect() returning a negative errno, as
if a charger is plugged into the otg port.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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Add support for reading the id pin value of the otg connector to the usb
phy code.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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Before this commit the code for determining the disconnect threshold was
checking for sun4i or sun6i assuming that those where the exception and
that newer SoCs use a disconnect threshold of 2 like sun7i does.
But it turns out that newer SoCs actually use a disconnect threshold of 3
and sun5i and sun7i are the exceptions, so check for those instead.
Here are the settings from the various Allwinner SDK sources:
sun4i-a10: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
sun5i-a13: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
sun6i-a31: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
sun7i-a20: USBC_Phy_Write(usbc_no, 0x2a, 2, 2);
sun8i-a23: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
sun8i-h3: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
sun9i-a80: USBC_Phy_Write(usbc_no, 0x2a, 3, 2);
Note this commit makes no functional changes for sun4i - sun7i, and
changes the disconnect threshold for sun8i to match what Allwinner uses.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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Once we add support for the ohci controller the phy-init and phy-power-on
functions may be called twice (once by the ehci code and once by the ohci
code) protect them against this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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The 2/3 usb-phys on the sunxi SoCs are really a single separate functional
block, and are modelled as such in devicetree. So once we've moved all the
sunxi usb code to the driver-model then phy_probe will be called once
for the entire block from the driver-model enumeration code.
Move to this now as this also avoids problems with phy_probe being called
multiple times once we introduce ohci support. This also allows us to get rid
of the sunxi_usb_phy_enabled_count variable as phy_probe now is guaranteed
to be called only once.
Since we're effectively rewriting the probe / remove functions, move them
to the end of the file while we are at it, as that is the most logical place
for them.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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The usbc.? files now only contain usb-phy related code, rename them to make
this clear.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
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