1 files changed, 78 insertions, 0 deletions
diff --git a/zephyr/test/kingler/src/kingler_usbc.c b/zephyr/test/kingler/src/kingler_usbc.c
new file mode 100644
index 0000000000..afd8cdbccd
--- /dev/null
+++ b/zephyr/test/kingler/src/kingler_usbc.c
@@ -0,0 +1,78 @@
+/* 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.
+ */
+
+#include "driver/tcpm/tcpm.h"
+#include "ec_app_main.h"
+#include "usb_charge.h"
+#include "usb_pd.h"
+#include "usbc_ppc.h"
+#include "variant_db_detection.h"
+
+#include <zephyr/drivers/gpio/gpio_emul.h>
+#include <zephyr/fff.h>
+#include <zephyr/kernel.h>
+#include <zephyr/logging/log.h>
+#include <zephyr/ztest.h>
+
+#define LOG_LEVEL 0
+LOG_MODULE_REGISTER(npcx_usbc);
+
+FAKE_VALUE_FUNC(enum corsola_db_type, corsola_get_db_type);
+FAKE_VALUE_FUNC(bool, in_interrupt_context);
+FAKE_VOID_FUNC(bmi3xx_interrupt);
+FAKE_VOID_FUNC(hdmi_hpd_interrupt);
+FAKE_VOID_FUNC(ps185_hdmi_hpd_mux_set);
+FAKE_VALUE_FUNC(bool, ps8743_field_update, const struct usb_mux *, uint8_t,
+		uint8_t, uint8_t);
+
+#define FFF_FAKES_LIST(FAKE)         \
+	FAKE(corsola_get_db_type)    \
+	FAKE(in_interrupt_context)   \
+	FAKE(bmi3xx_interrupt)       \
+	FAKE(hdmi_hpd_interrupt)     \
+	FAKE(ps185_hdmi_hpd_mux_set) \
+	FAKE(ps8743_field_update)
+
+struct kingler_usbc_fixture {
+	int place_holder;
+};
+
+static void *kingler_usbc_setup(void)
+{
+	static struct kingler_usbc_fixture f;
+
+	return &f;
+}
+
+static void kingler_usbc_reset_rule_before(const struct ztest_unit_test *test,
+					   void *data)
+{
+	ARG_UNUSED(test);
+	ARG_UNUSED(data);
+	FFF_FAKES_LIST(RESET_FAKE);
+	FFF_RESET_HISTORY();
+}
+
+ZTEST_RULE(kingler_usbc_reset_rule, kingler_usbc_reset_rule_before, NULL);
+ZTEST_SUITE(kingler_usbc, NULL, kingler_usbc_setup, NULL, NULL, NULL);
+
+ZTEST_F(kingler_usbc, test_power_supply)
+{
+	pd_power_supply_reset(0);
+	zassert_equal(0, ppc_is_sourcing_vbus(0));
+	zassert_equal(0, ppc_is_sourcing_vbus(1));
+
+	zassert_equal(EC_SUCCESS, pd_set_power_supply_ready(0));
+	zassert_equal(1, ppc_is_sourcing_vbus(0));
+	zassert_equal(0, ppc_is_sourcing_vbus(1));
+
+	pd_power_supply_reset(0);
+	zassert_equal(0, ppc_is_sourcing_vbus(0));
+	zassert_equal(0, ppc_is_sourcing_vbus(1));
+
+	/* TODO: test C1 port after resolve the PPC emulator always accessing
+	 * the same one with different index.
+	 */
+}