guybrush: Add fan support

Add basic fan support. More tuning will be needed.

BUG=b:178217015
TEST=Build
BRANCH=None

Change-Id: I8133bfeb63346a254d0300d99d2b0ade35f74cc6
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2762804
Reviewed-by: Bhanu Prakash Maiya <bhanumaiya@google.com>
Reviewed-by: Diana Z <dzigterman@chromium.org>
Commit-Queue: Diana Z <dzigterman@chromium.org>

2 files changed, 46 insertions, 1 deletions

diff --git a/baseboard/guybrush/baseboard.c b/baseboard/guybrush/baseboard.c
index ee41591959..f901a29d58 100644
--- a/baseboard/guybrush/baseboard.c
+++ b/baseboard/guybrush/baseboard.c
@@ -22,6 +22,8 @@
 #include "driver/tcpm/nct38xx.h"
 #include "driver/temp_sensor/sb_tsi.h"
 #include "driver/usb_mux/amd_fp6.h"
+#include "fan.h"
+#include "fan_chip.h"
 #include "gpio.h"
 #include "hooks.h"
 #include "i2c.h"
@@ -508,6 +510,34 @@ const struct pwm_t pwm_channels[] = {
 };
 BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
 
+const struct mft_t mft_channels[] = {
+	[MFT_CH_0] = {
+		.module = NPCX_MFT_MODULE_1,
+		.clk_src = TCKC_LFCLK,
+		.pwm_id = PWM_CH_FAN,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT);
+
+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 = -1,
+};
+const struct fan_rpm fan_rpm_0 = {
+	.rpm_min = 1800,
+	.rpm_start = 3000,
+	.rpm_max = 5200,
+};
+const struct fan_t fans[] = {
+	[FAN_CH_0] = {
+		.conf = &fan_conf_0,
+		.rpm = &fan_rpm_0,
+	},
+};
+BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT);
+
 /*
  * USB C0 port SBU mux use standalone FSUSB42UMX
  * chip and it needs a board specific driver.
diff --git a/baseboard/guybrush/baseboard.h b/baseboard/guybrush/baseboard.h
index 619a48b351..2529688217 100644
--- a/baseboard/guybrush/baseboard.h
+++ b/baseboard/guybrush/baseboard.h
@@ -235,7 +235,9 @@
 #define GPIO_VOLUME_UP_L		GPIO_VOLUP_BTN_ODL
 #define GPIO_VOLUME_DOWN_L		GPIO_VOLDN_BTN_ODL
 
-/* Fan features */
+/* Fan Config */
+#define CONFIG_FANS FAN_CH_COUNT
+/* TODO: Set CONFIG_FAN_INIT_SPEED, defaults to 100 */
 
 /* LED Config */
 #define CONFIG_PWM
@@ -307,6 +309,19 @@ enum pwm_channel {
 	PWM_CH_COUNT
 };
 
+/* Fan Channels */
+enum fan_channel {
+	FAN_CH_0 = 0,
+	/* Number of FAN channels */
+	FAN_CH_COUNT,
+};
+enum mft_channel {
+	MFT_CH_0 = 0,
+	/* Number of MFT channels */
+	MFT_CH_COUNT,
+};
+
+
 /* Common definition for the USB PD interrupt handlers. */
 void tcpc_alert_event(enum gpio_signal signal);
 void bc12_interrupt(enum gpio_signal signal);