1 files changed, 47 insertions, 0 deletions
diff --git a/zephyr/projects/volteer/src/pwrok_signals.c b/zephyr/projects/volteer/src/pwrok_signals.c
new file mode 100644
index 0000000000..e551c383bb
--- /dev/null
+++ b/zephyr/projects/volteer/src/pwrok_signals.c
@@ -0,0 +1,47 @@
+/* Copyright 2020 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.
+ */
+
+/* PWROK signals lists.  Copied from volteer baseboard in platform/ec. */
+
+#include <stdbool.h>
+#include <zephyr.h>
+
+#include "gpio_map.h"
+#include "gpio_signal.h"
+
+/*
+ * TODO(b:173798264): This struct actually comes from
+ * power/intel_x86.h in platform/ec, but we have no way to reach it right
+ * now.  Remove this once we can get that header somehow.
+ */
+struct intel_x86_pwrok_signal {
+	enum gpio_signal gpio;
+	bool active_low;
+	int delay_ms;
+};
+
+const struct intel_x86_pwrok_signal pwrok_signal_assert_list[] = {
+	{
+		.gpio = GPIO_EN_PPVAR_VCCIN,
+		.delay_ms = 5,
+	},
+	{
+		.gpio = GPIO_EC_PCH_SYS_PWROK,
+		.delay_ms = 50 - 5,
+	},
+};
+const int pwrok_signal_assert_count = ARRAY_SIZE(pwrok_signal_assert_list);
+
+const struct intel_x86_pwrok_signal pwrok_signal_deassert_list[] = {
+	/* No delays needed during S0 exit */
+	{
+		.gpio = GPIO_EC_PCH_SYS_PWROK,
+	},
+	/* Turn off VCCIN last */
+	{
+		.gpio = GPIO_EN_PPVAR_VCCIN,
+	},
+};
+const int pwrok_signal_deassert_count = ARRAY_SIZE(pwrok_signal_deassert_list);