1 files changed, 43 insertions, 0 deletions
diff --git a/tests/qtest/rs5c372-test.c b/tests/qtest/rs5c372-test.c
new file mode 100644
index 0000000..0f6a9b6
--- /dev/null
+++ b/tests/qtest/rs5c372-test.c
@@ -0,0 +1,43 @@
+/*
+ * QTest testcase for the RS5C372 RTC
+ *
+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
+ *
+ * Based on ds1338-test.c
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/bcd.h"
+#include "libqos/i2c.h"
+
+#define RS5C372_ADDR 0x32
+
+static void rs5c372_read_date(void *obj, void *data, QGuestAllocator *alloc)
+{
+    QI2CDevice *i2cdev = obj;
+
+    uint8_t resp[0x10];
+    time_t now = time(NULL);
+    struct tm *utc = gmtime(&now);
+
+    i2c_read_block(i2cdev, 0, resp, sizeof(resp));
+
+    /* check retrieved time against local time */
+    g_assert_cmpuint(from_bcd(resp[5]), == , utc->tm_mday);
+    g_assert_cmpuint(from_bcd(resp[6]), == , 1 + utc->tm_mon);
+    g_assert_cmpuint(2000 + from_bcd(resp[7]), == , 1900 + utc->tm_year);
+}
+
+static void rs5c372_register_nodes(void)
+{
+    QOSGraphEdgeOptions opts = { };
+    add_qi2c_address(&opts, &(QI2CAddress) { RS5C372_ADDR });
+
+    qos_node_create_driver("rs5c372", i2c_device_create);
+    qos_node_consumes("rs5c372", "i2c-bus", &opts);
+    qos_add_test("read_date", "rs5c372", rs5c372_read_date, NULL);
+}
+
+libqos_init(rs5c372_register_nodes);