[nrf fromlist] tests: drivers: i2s: Add tests at typical audio sample rates

tests/drivers/i2s/i2s_speed/Kconfig

@@ -37,3 +37,45 @@ config I2S_TEST_ALLOWED_DATA_OFFSET
 	help
 	  Maximum allowed offset between sent and received samples. Non-zero
 	  value of this option may be needed when GPIO loopback is used.
+
+config I2S_TEST_SKIP_SAMPLERATE_8000
+	bool "Skip short transfer tests at 8000 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 8000 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_16000
+	bool "Skip short transfer tests at 16000 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 16000 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_32000
+	bool "Skip short transfer tests at 32000 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 32000 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_44100
+	bool "Skip short transfer tests at 44100 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 44100 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_48000
+	bool "Skip short transfer tests at 48000 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 48000 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_88200
+	bool "Skip short transfer tests at 88200 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 88200 samples per second
+	  will be skipped.
+
+config I2S_TEST_SKIP_SAMPLERATE_96000
+	bool "Skip short transfer tests at 96000 samples per socond"
+	help
+	  When set to 'y', short transfer tests at 96000 samples per second
+	  will be skipped.

tests/drivers/i2s/i2s_speed/boards/nrf5340dk_nrf5340_cpuapp_aclk.overlay

@@ -0,0 +1,9 @@
+/* Drive i2s peripheral from ACLK. */
+
+&clock {
+	hfclkaudio-frequency = <11289600>;
+};
+
+&i2s0 {
+	clock-source = "ACLK";
+};