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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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8
drivers/usb/misc/onboard_usb_dev.h
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@@ -85,6 +85,13 @@ static const struct onboard_dev_pdata vialab_vl817_data = {
.is_hub = true,
};
static const struct onboard_dev_pdata xmos_xvf3500_data = {
.reset_us = 1,
.num_supplies = 2,
.supply_names = { "vdd", "vddio" },
.is_hub = false,
};
static const struct of_device_id onboard_dev_match[] = {
{ .compatible = "usb424,2412", .data = &microchip_usb424_data, },
{ .compatible = "usb424,2514", .data = &microchip_usb424_data, },
@@ -108,6 +115,7 @@ static const struct of_device_id onboard_dev_match[] = {
{ .compatible = "usbbda,5414", .data = &realtek_rts5411_data, },
{ .compatible = "usb2109,817", .data = &vialab_vl817_data, },
{ .compatible = "usb2109,2817", .data = &vialab_vl817_data, },
{ .compatible = "usb20b1,0013", .data = &xmos_xvf3500_data, },
{}
};