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usb: misc: onboard_dev: add support for XMOS XVF3500

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The XMOS XVF3500 VocalFusion Voice Processor[1] is a low-latency, 32-bit
multicore controller for voice processing.

This device requires a specific power sequence, which consists of
enabling the regulators that control the 3V3 and 1V0 device supplies,
and a reset de-assertion after a delay of at least 100ns.

Once in normal operation, the XVF3500 registers itself as a USB device,
and it does not require any device-specific operations in the driver.

[1] https://www.xmos.com/xvf3500/

Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/20240325-onboard_xvf3500-v8-8-29e3f9222922@wolfvision.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Javier Carrasco
2024-03-25 10:15:18 +01:00
committed by Greg Kroah-Hartman
parent 5b5858e467
commit ef83531c8e
2 changed files with 10 additions and 0 deletions
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2
drivers/usb/misc/onboard_usb_dev.c
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@@ -407,6 +407,7 @@ static struct platform_driver onboard_dev_driver = {
#define VENDOR_ID_REALTEK 0x0bda
#define VENDOR_ID_TI 0x0451
#define VENDOR_ID_VIA 0x2109
#define VENDOR_ID_XMOS 0x20B1
/*
* Returns the onboard_dev platform device that is associated with the USB
@@ -501,6 +502,7 @@ static const struct usb_device_id onboard_dev_id_table[] = {
{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 HUB */
{ USB_DEVICE(VENDOR_ID_VIA, 0x0817) }, /* VIA VL817 3.1 HUB */
{ USB_DEVICE(VENDOR_ID_VIA, 0x2817) }, /* VIA VL817 2.0 HUB */
{ USB_DEVICE(VENDOR_ID_XMOS, 0x0013) }, /* XMOS XVF3500 Voice Processor */
{}
};
MODULE_DEVICE_TABLE(usb, onboard_dev_id_table);