| /* Copyright 2016 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. |
| */ |
| |
| /* GPIO module for Chrome EC */ |
| |
| #include "clock.h" |
| #include "common.h" |
| #include "registers.h" |
| |
| void gpio_enable_clocks(void) |
| { |
| /* |
| * Enable all GPIOs clocks |
| * |
| * TODO(crosbug.com/p/23770): only enable the banks we need to, |
| * and support disabling some of them in low-power idle. |
| */ |
| STM32_RCC_AHB1ENR |= STM32_RCC_AHB1ENR_GPIOMASK; |
| |
| /* Delay 1 AHB clock cycle after the clock is enabled */ |
| clock_wait_bus_cycles(BUS_AHB, 1); |
| } |
| |
| #include "gpio-f0-l.c" |
