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USB-SPI: Set the interface SubClass to Google SPI

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This SubClass will provide a simple mechanism for
host tools to discover SPI bridge enabled devices.

Signed-off-by: Anton Staaf <robotboy@chromium.org>

BRANCH=None
BUG=None
TEST=make buildall -j

Change-Id: I0c800ca7b1a2ac58584eab8ba201a6b2a5a894ea
Reviewed-on: https://chromium-review.googlesource.com/260963
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
This commit is contained in:
Anton Staaf
2014-12-02 10:44:22 -08:00
committed by ChromeOS Commit Bot
parent 2c3cf4d1a9
commit 4002d66297
2 changed files with 5 additions and 2 deletions
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4
chip/stm32/usb_spi.h
View File

@@ -148,8 +148,8 @@ struct usb_spi_config {
.bAlternateSetting = 0, \
.bNumEndpoints = 2, \
.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
.bInterfaceSubClass = 0, \
.bInterfaceProtocol = 0, \
.bInterfaceSubClass = USB_SUBCLASS_GOOGLE_SPI, \
.bInterfaceProtocol = USB_PROTOCOL_GOOGLE_SPI, \
.iInterface = 0, \
}; \
const struct usb_endpoint_descriptor \

3
include/usb.h
View File

@@ -160,6 +160,9 @@ struct usb_endpoint_descriptor {
#define USB_SUBCLASS_GOOGLE_SERIAL 0x50
#define USB_PROTOCOL_GOOGLE_SERIAL 0x01
#define USB_SUBCLASS_GOOGLE_SPI 0x51
#define USB_PROTOCOL_GOOGLE_SPI 0x01
/* Control requests */
/* bRequestType fields */