diff options
Diffstat (limited to 'baseboard/trogdor/power.c')
-rw-r--r-- | baseboard/trogdor/power.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/baseboard/trogdor/power.c b/baseboard/trogdor/power.c new file mode 100644 index 0000000000..0a55b49d3d --- /dev/null +++ b/baseboard/trogdor/power.c @@ -0,0 +1,22 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "gpio.h" +#include "hooks.h" + +void board_chipset_pre_init(void) +{ + /* Turn on the 3.3V rail */ + gpio_set_level(GPIO_EN_PP3300_A, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, board_chipset_pre_init, HOOK_PRIO_DEFAULT); + +void board_chipset_shutdown_complete(void) +{ + /* Turn off the 3.3V and 5V rails. */ + gpio_set_level(GPIO_EN_PP3300_A, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN_COMPLETE, board_chipset_shutdown_complete, + HOOK_PRIO_DEFAULT); |