1 files changed, 50 insertions, 0 deletions
diff --git a/board/aurash/fans.c b/board/aurash/fans.c
new file mode 100644
index 0000000000..ecc93bd330
--- /dev/null
+++ b/board/aurash/fans.c
@@ -0,0 +1,50 @@
+/* Copyright 2023 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Physical fans. These are logically separate from pwm_channels. */
+
+#include "common.h"
+#include "compile_time_macros.h"
+#include "console.h"
+#include "fan.h"
+#include "fan_chip.h"
+#include "hooks.h"
+#include "pwm.h"
+
+/* MFT channels. These are logically separate from pwm_channels. */
+const struct mft_t mft_channels[] = {
+	[MFT_CH_0] = {
+		.module = NPCX_MFT_MODULE_2,
+		.clk_src = TCKC_LFCLK,
+		.pwm_id = PWM_CH_FAN,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
+
+static const struct fan_conf fan_conf_0 = {
+	.flags = FAN_USE_RPM_MODE,
+	.ch = MFT_CH_0, /* Use MFT id to control fan */
+	.pgood_gpio = -1,
+	.enable_gpio = GPIO_EN_PP5000_FAN,
+};
+
+/*
+ * TOOD(b/197478860): need to update for real fan
+ *
+ * Prototype fan spins at about 7200 RPM at 100% PWM.
+ * Set minimum at around 30% PWM.
+ */
+static const struct fan_rpm fan_rpm_0 = {
+	.rpm_min = 2200,
+	.rpm_start = 2200,
+	.rpm_max = 7200,
+};
+
+const struct fan_t fans[FAN_CH_COUNT] = {
+	[FAN_CH_0] = {
+		.conf = &fan_conf_0,
+		.rpm = &fan_rpm_0,
+	},
+};