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Fizz: Remove power control of V3P3_USBPD

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PU62 used to be used to turn on power to PS8751 but it's been removed.
PS8751 is powered directly from PP3300_EC. So, EC doesn't need to
enable it.

BUG=b:65212601
BRANCH=none
TEST=On Kench EVT SKU5, verify type-c port is powered.

Change-Id: I2a1ce28efe09212a4ce7e7b57c0560e42e137cec
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/826256
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Daisuke Nojiri
2017-12-13 16:09:00 -08:00
committed by chrome-bot
parent b9939cf42b
commit b4e6b8eef9
2 changed files with 2 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
board/fizz/board.c
View File

@@ -221,14 +221,9 @@ void board_tcpc_init(void)
{
int port, reg;
/* Only reset TCPC if not sysjump */
if (!system_jumped_to_this_image()) {
/* Power on PS8751 */
gpio_set_level(GPIO_PP3300_USB_PD, 1);
/* TODO(crosbug.com/p/61098): How long do we need to wait? */
msleep(10);
/* Only reset TCPC in RO boot. */
if (!system_jumped_to_this_image())
board_reset_pd_mcu();
}
/*
* Wake up PS8751. If PS8751 remains in low power mode after sysjump,

3
board/fizz/gpio.inc
View File

@@ -47,9 +47,6 @@ GPIO(POWER_RATE, PIN(7, 1), GPIO_INPUT) /* High: i3/5/7. Low: Celeron */
/* Fizz specific pins */
GPIO(LAN_PWR_EN, PIN(8, 3), GPIO_OUT_HIGH) /* Ethernet power enabled */
/* TODO(crosbug.com/p/61098): Make use of these GPIOs */
GPIO(PP3300_USB_PD, PIN(6, 7), GPIO_OUTPUT)
GPIO(PP5000_DX_NFC, PIN(1, 5), GPIO_OUTPUT)
GPIO(PP3300_DX_CAM, PIN(1, 0), GPIO_OUT_HIGH)