1 files changed, 64 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/pujjo/src/charger.c b/zephyr/projects/nissa/pujjo/src/charger.c
new file mode 100644
index 0000000000..f1f1d57790
--- /dev/null
+++ b/zephyr/projects/nissa/pujjo/src/charger.c
@@ -0,0 +1,64 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <zephyr/logging/log.h>
+
+#include "battery.h"
+#include "charger.h"
+#include "charger/isl923x_public.h"
+#include "driver/tcpm/raa489000.h"
+#include "driver/charger/isl923x.h"
+#include "console.h"
+#include "extpower.h"
+#include "usb_pd.h"
+#include "nissa_common.h"
+#include "hooks.h"
+
+LOG_MODULE_DECLARE(nissa, CONFIG_NISSA_LOG_LEVEL);
+
+int extpower_is_present(void)
+{
+	int port;
+	int rv;
+	bool acok;
+
+	for (port = 0; port < board_get_usb_pd_port_count(); port++) {
+		rv = raa489000_is_acok(port, &acok);
+		if ((rv == EC_SUCCESS) && acok)
+			return 1;
+	}
+
+	return 0;
+}
+
+/*
+ * Pujjo does not have a GPIO indicating whether extpower is present,
+ * so detect using the charger(s).
+ */
+__override void board_check_extpower(void)
+{
+	static int last_extpower_present;
+	int extpower_present = extpower_is_present();
+
+	if (last_extpower_present ^ extpower_present)
+		extpower_handle_update(extpower_present);
+
+	last_extpower_present = extpower_present;
+}
+
+__override void board_hibernate(void)
+{
+	/* Shut down the chargers */
+	raa489000_hibernate(0, true);
+	LOG_INF("Charger(s) hibernated");
+	cflush();
+}
+
+static void charger_prochot_init(void)
+{
+	isl923x_set_ac_prochot(CHARGER_SOLO, 3500);
+	isl923x_set_dc_prochot(CHARGER_SOLO, 6528);
+}
+DECLARE_HOOK(HOOK_INIT, charger_prochot_init, HOOK_PRIO_POST_FIRST);