tests: drivers: counter: Generic seconds counter test

This commit reworks the CMOS test to a generic seconds
counter test.

And it adds a test case for the iMX RT1064 SNVS RTC.

Tested with mimxrt1064_evk

Signed-off-by: Pieter De Gendt <[email protected]>

Author: pdgendt

tests/drivers/counter/counter_cmos/testcase.yaml

@@ -4,6 +4,6 @@
 cmake_minimum_required(VERSION 3.20.0)
 
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
-project(counter_cmos)
+project(counter_seconds)
 
 target_sources(app PRIVATE src/main.c)

tests/drivers/counter/counter_cmos/CMakeLists.txt renamed to tests/drivers/counter/counter_seconds/CMakeLists.txt

@@ -0,0 +1 @@
+CONFIG_COUNTER_MCUX_SNVS=y

tests/drivers/counter/counter_seconds/boards/mimxrt1064_evk.conf

@@ -0,0 +1,13 @@
+/* Copyright (c) 2021 Basalte bv
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		rtc-0 = &snvs_rtc;
+	};
+};
+
+&snvs_rtc {
+	status = "okay";
+};

tests/drivers/counter/counter_seconds/boards/mimxrt1064_evk.overlay

@@ -1,3 +1,2 @@
 CONFIG_COUNTER=y
 CONFIG_ZTEST=y
-CONFIG_COUNTER_CMOS=y

tests/drivers/counter/counter_cmos/prj.conf renamed to tests/drivers/counter/counter_seconds/prj.conf

@@ -11,26 +11,32 @@
  * Basic test to ensure that the clock is ticking at roughly 1Hz.
  */
 
+#ifdef CONFIG_COUNTER_CMOS
+#define DEVICE_LABEL "CMOS"
+#else
+#define DEVICE_LABEL DT_LABEL(DT_ALIAS(rtc_0))
+#endif
+
 #define DELAY_MS 1200	/* pause 1.2 seconds should always pass */
 #define MIN_BOUND 1	/* counter must report at least MIN_BOUND .. */
 #define MAX_BOUND 2	/* .. but at most MAX_BOUND seconds elapsed */
 
-void test_cmos_rate(void)
+void test_seconds_rate(void)
 {
-	const struct device *cmos;
+	const struct device *dev;
 	uint32_t start, elapsed;
 	int err;
 
-	cmos = device_get_binding("CMOS");
-	zassert_true(cmos != NULL, "can't find CMOS counter device");
+	dev = device_get_binding(DEVICE_LABEL);
+	zassert_true(dev != NULL, "can't find counter device");
 
-	err = counter_get_value(cmos, &start);
-	zassert_true(err == 0, "failed to read CMOS counter device");
+	err = counter_get_value(dev, &start);
+	zassert_true(err == 0, "failed to read counter device");
 
 	k_msleep(DELAY_MS);
 
-	err = counter_get_value(cmos, &elapsed);
-	zassert_true(err == 0, "failed to read CMOS counter device");
+	err = counter_get_value(dev, &elapsed);
+	zassert_true(err == 0, "failed to read counter device");
 	elapsed -= start;
 
 	zassert_true(elapsed >= MIN_BOUND, "busted minimum bound");
@@ -39,6 +45,6 @@ void test_cmos_rate(void)
 
 void test_main(void)
 {
-	ztest_test_suite(test_cmos_counter, ztest_unit_test(test_cmos_rate));
-	ztest_run_test_suite(test_cmos_counter);
+	ztest_test_suite(test_seconds_counter, ztest_unit_test(test_seconds_rate));
+	ztest_run_test_suite(test_seconds_counter);
 }

tests/drivers/counter/counter_cmos/src/main.c renamed to tests/drivers/counter/counter_seconds/src/main.c

@@ -0,0 +1,10 @@
+tests:
+  drivers.counter.cmos:
+    tags: drivers
+    arch_allow: x86
+    extra_configs:
+      - CONFIG_COUNTER_CMOS=y
+
+  drivers.counter.mcux.snvs.rtc:
+    tags: drivers
+    platform_allow: mimxrt1064_evk