[nrf fromtree] tests: drivers: spi: spi_loopback: Cleanup after nRF54LM20 rename

Remove duplicated test configuration after
nrf54l20pdk/nrf54l20/cpuxxx was renamed to
nrf54lm20dk/nrf54lm20a/cpuxxx.

Run test with 16MHz/32MHz bitrate using spi00 instance
(spi2x instances support up to 16MHz/2).

Signed-off-by: Sebastian Głąb <[email protected]>
(cherry picked from commit 31e8326)

Author: nordic-segl

tests/drivers/spi/spi_loopback/boards/nrf54lm20dk_nrf54lm20a_cpuapp.conf

@@ -0,0 +1 @@
+CONFIG_SPI_IDEAL_TRANSFER_DURATION_SCALING=12

tests/drivers/spi/spi_loopback/boards/nrf54lm20dk_nrf54lm20a_cpuapp.overlay

@@ -34,11 +34,13 @@
 	pinctrl-names = "default", "sleep";
 	overrun-character = <0x00>;
 	zephyr,pm-device-runtime-auto;
+
 	slow@0 {
 		compatible = "test-spi-loopback-slow";
 		reg = <0>;
 		spi-max-frequency = <DT_FREQ_M(2)>;
 	};
+
 	dut_fast: fast@0 {
 		compatible = "test-spi-loopback-fast";
 		reg = <0>;

tests/drivers/spi/spi_loopback/boards/nrf54l20pdk_nrf54l20_cpuapp.overlay renamed to tests/drivers/spi/spi_loopback/boards/nrf54lm20dk_nrf54lm20a_cpuapp_spi00.overlay

@@ -4,20 +4,28 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+/* Test requires following loopback:
+ * P2.02 - P2.04
+ */
+
 &pinctrl {
 	spi00_default: spi00_default {
 		group1 {
-			psels = <NRF_PSEL(SPIM_SCK, 2, 6)>,
-				<NRF_PSEL(SPIM_MISO, 2, 9)>,
-				<NRF_PSEL(SPIM_MOSI, 2, 8)>;
+			psels = <NRF_PSEL(SPIM_MISO, 2, 4)>;
+		};
+
+		group2 {
+			psels = <NRF_PSEL(SPIM_SCK, 2, 1)>,
+				<NRF_PSEL(SPIM_MOSI, 2, 2)>;
+				nordic,drive-mode = <NRF_DRIVE_E0E1>;
 		};
 	};
 
 	spi00_sleep: spi00_sleep {
 		group1 {
-			psels = <NRF_PSEL(SPIM_SCK, 2, 6)>,
-				<NRF_PSEL(SPIM_MISO, 2, 9)>,
-				<NRF_PSEL(SPIM_MOSI, 2, 8)>;
+			psels = <NRF_PSEL(SPIM_SCK, 2, 1)>,
+				<NRF_PSEL(SPIM_MISO, 2, 4)>,
+				<NRF_PSEL(SPIM_MOSI, 2, 2)>;
 			low-power-enable;
 		};
 	};
@@ -30,15 +38,17 @@
 	pinctrl-names = "default", "sleep";
 	overrun-character = <0x00>;
 	zephyr,pm-device-runtime-auto;
+
 	slow@0 {
 		compatible = "test-spi-loopback-slow";
 		reg = <0>;
-		spi-max-frequency = <DT_FREQ_M(2)>;
+		spi-max-frequency = <DT_FREQ_M(16)>;
 	};
+
 	dut_fast: fast@0 {
 		compatible = "test-spi-loopback-fast";
 		reg = <0>;
-		spi-max-frequency = <DT_FREQ_M(4)>;
+		spi-max-frequency = <DT_FREQ_M(32)>;
 	};
 };
 

tests/drivers/spi/spi_loopback/testcase.yaml

@@ -238,8 +238,6 @@ tests:
     extra_args: EXTRA_DTC_OVERLAY_FILE="boards/nrf_at_1mhz.overlay"
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
-      - nrf54l20pdk/nrf54l20/cpuapp
-      - nrf54lm20dk/nrf54lm20a/cpuapp
     harness: console
     harness_config:
       fixture: spi_loopback
@@ -250,23 +248,26 @@ tests:
     extra_args: EXTRA_DTC_OVERLAY_FILE="boards/nrf_at_8mhz.overlay"
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
-      - nrf54l20pdk/nrf54l20/cpuapp
       - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
   drivers.spi.nrf54l_16mhz:
     extra_args: EXTRA_DTC_OVERLAY_FILE="boards/nrf_at_16mhz.overlay"
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
-      - nrf54l20pdk/nrf54l20/cpuapp
-      - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
   drivers.spi.nrf54l_32mhz:
     extra_args: EXTRA_DTC_OVERLAY_FILE="boards/nrf_at_32mhz.overlay"
     platform_allow:
       - nrf54l15dk/nrf54l15/cpuapp
-      - nrf54l20pdk/nrf54l20/cpuapp
-      - nrf54lm20dk/nrf54lm20a/cpuapp
       - ophelia4ev/nrf54l15/cpuapp
+  drivers.spi.nrf54lm20_16mhz_32mhz:
+    harness: ztest
+    harness_config:
+      fixture: spi_fast_loopback
+    extra_args:
+      - DTC_OVERLAY_FILE="boards/nrf54lm20dk_nrf54lm20a_cpuapp_spi00.overlay"
+    platform_allow:
+      - nrf54lm20dk/nrf54lm20a/cpuapp
   drivers.spi.ke1xz_flexio_spi.loopback:
     extra_args: DTC_OVERLAY_FILE="boards/frdm_ke1xz_flexio_spi.overlay"
     filter: CONFIG_DT_HAS_NXP_FLEXIO_ENABLED and