google/kukui: Set up GPIOs for ChromeOS

Set up EC interrupt GPIO to boot depthcharge. Without this patch,
depthcharge will fail to detect EC interrupt GPIO.

BUG=b:80501386
BRANCH=none
TEST=Boots correctly on Kukui and see in logs, that depthcharge detects
     EC interrupt GPIO.

Change-Id: I0ec2c70c189a059219954e0384aaf98995285728
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/28250
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Julius Werner <jwerner@chromium.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/mainboard/google/kukui/gpio.h b/src/mainboard/google/kukui/gpio.h
new file mode 100644
index 0000000000..cb9ad24906
--- /dev/null
+++ b/src/mainboard/google/kukui/gpio.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MAINBOARD_GOOGLE_KUKUI_GPIO_H__
+#define __MAINBOARD_GOOGLE_KUKUI_GPIO_H__
+
+#include <soc/gpio.h>
+
+#define EC_IRQ	GPIO(PERIPHERAL_EN1)
+
+void setup_chromeos_gpios(void);
+
+#endif