diff options
| author | Vic Yang <victoryang@chromium.org> | 2012-12-25 11:24:22 +0800 |
|---|---|---|
| committer | ChromeBot <chrome-bot@google.com> | 2013-01-08 08:58:38 -0800 |
| commit | 92bf81948de9333764ed62d620a27f5a46b215d6 (patch) | |
| tree | a978b1a91cf98cccff55c175ad1553879b17b322 | |
| parent | 5019591f68b22f8d09a139e30488a8e4525311eb (diff) | |
| download | chrome-ec-92bf81948de9333764ed62d620a27f5a46b215d6.tar.gz | |
spring: Control BOOST_EN according to device type
BOOST_EN should be turned off when attached device needs power.
BUG=chrome-os-partner:14319
TEST=Manual
BRANCH=none
Change-Id: Ic8d75bdad98eb33ab99792345ddfd90609a1ddbd
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/40200
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | board/spring/usb_charging.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/board/spring/usb_charging.c b/board/spring/usb_charging.c index e4d9a362fd..ee87d896ea 100644 --- a/board/spring/usb_charging.c +++ b/board/spring/usb_charging.c @@ -20,6 +20,10 @@ #define CPUTS(outstr) cputs(CC_USBCHARGE, outstr) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) +/* Devices that need VBUS power */ +#define POWERED_DEVICE_TYPE (TSU6721_TYPE_OTG | \ + TSU6721_TYPE_JIG_UART_ON) + static enum ilim_config current_ilim_config = ILIM_CONFIG_MANUAL_OFF; static void board_ilim_use_gpio(void) @@ -119,6 +123,13 @@ static void usb_device_change(int dev_type) return; last_dev_type = dev_type; + /* Supply VBUS if needed */ + if (dev_type & POWERED_DEVICE_TYPE) + gpio_set_level(GPIO_BOOST_EN, 0); + else + gpio_set_level(GPIO_BOOST_EN, 1); + + /* Log to console */ CPRINTF("[%T USB Attached: "); if (dev_type == TSU6721_TYPE_NONE) CPRINTF("Nothing]\n"); |