test: lib: devicetree: add tests for DT_ macros for retrieving PWM period

Add tests for DT_ macros for retrieving the 'period' cell value.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>

dts/bindings/test/vnd,pwm-controller.yaml

@@ -12,8 +12,9 @@ properties:
       required: true
 
     "#pwm-cells":
-      const: 2
+      const: 3
 
 pwm-cells:
   - channel
+  - period
   - flags

tests/lib/devicetree/api/app.overlay

@@ -40,7 +40,7 @@
 			pha-gpios = <&test_gpio_1 50 60>, <&test_gpio_3 70>, <&test_gpio_2 80 90>;
 			foos = <&test_gpio_1 100>, <&test_gpio_2 110>;
 			foo-names = "A", "b-c";
-			pwms = <&test_pwm1 8 3>, <&test_pwm2 5 1>;
+			pwms = <&test_pwm1 8 200 3>, <&test_pwm2 5 100 1>;
 			pwm-names = "red", "green";
 		};
 
@@ -305,7 +305,7 @@
 
 		test_pwm1: pwm@55551111 {
 			compatible = "vnd,pwm";
-			#pwm-cells = <2>;
+			#pwm-cells = <3>;
 			reg = < 0x55551111 0x1000 >;
 			label = "TEST_PWM_CTRL_1";
 			status = "okay";
@@ -313,7 +313,7 @@
 
 		test_pwm2: pwm@55552222 {
 			compatible = "vnd,pwm";
-			#pwm-cells = <2>;
+			#pwm-cells = <3>;
 			reg = < 0x55552222 0x1000 >;
 			label = "TEST_PWM_CTRL_2";
 			status = "okay";

tests/lib/devicetree/api/src/main.c

@@ -1003,17 +1003,22 @@ static void test_pwms(void)
 	/* DT_PWMS_CELL_BY_IDX */
 	zassert_equal(DT_PWMS_CELL_BY_IDX(TEST_PH, 1, channel), 5,
 		      "pwm 2 channel");
+	zassert_equal(DT_PWMS_CELL_BY_IDX(TEST_PH, 1, period), 100,
+		      "pwm 2 period");
 	zassert_equal(DT_PWMS_CELL_BY_IDX(TEST_PH, 1, flags), 1,
 		      "pwm 2 flags");
 
 	/* DT_PWMS_CELL_BY_NAME */
 	zassert_equal(DT_PWMS_CELL_BY_NAME(TEST_PH, red, channel), 8,
 		      "pwm-red channel");
+	zassert_equal(DT_PWMS_CELL_BY_NAME(TEST_PH, red, period), 200,
+		      "pwm-red period");
 	zassert_equal(DT_PWMS_CELL_BY_NAME(TEST_PH, red, flags), 3,
 		      "pwm-red flags");
 
 	/* DT_PWMS_CELL */
 	zassert_equal(DT_PWMS_CELL(TEST_PH, channel), 8, "pwm channel");
+	zassert_equal(DT_PWMS_CELL(TEST_PH, period), 200, "pwm period");
 	zassert_equal(DT_PWMS_CELL(TEST_PH, flags), 3, "pwm flags");
 
 	/* DT_PWMS_CHANNEL_BY_IDX */
@@ -1026,15 +1031,25 @@ static void test_pwms(void)
 	/* DT_PWMS_CHANNEL */
 	zassert_equal(DT_PWMS_CHANNEL(TEST_PH), 8, "pwm channel");
 
+	/* DT_PWMS_PERIOD_BY_IDX */
+	zassert_equal(DT_PWMS_PERIOD_BY_IDX(TEST_PH, 1), 100, "pwm period");
+
+	/* DT_PWMS_PERIOD_BY_NAME */
+	zassert_equal(DT_PWMS_PERIOD_BY_NAME(TEST_PH, green), 100,
+		      "pwm period");
+
+	/* DT_PWMS_PERIOD */
+	zassert_equal(DT_PWMS_PERIOD(TEST_PH), 200, "pwm period");
+
 	/* DT_PWMS_FLAGS_BY_IDX */
-	zassert_equal(DT_PWMS_FLAGS_BY_IDX(TEST_PH, 1), 1, "pwm channel");
+	zassert_equal(DT_PWMS_FLAGS_BY_IDX(TEST_PH, 1), 1, "pwm flags");
 
 	/* DT_PWMS_FLAGS_BY_NAME */
 	zassert_equal(DT_PWMS_FLAGS_BY_NAME(TEST_PH, green), 1,
-		      "pwm channel");
+		      "pwm flags");
 
 	/* DT_PWMS_FLAGS */
-	zassert_equal(DT_PWMS_FLAGS(TEST_PH), 3, "pwm channel");
+	zassert_equal(DT_PWMS_FLAGS(TEST_PH), 3, "pwm flags");
 
 	/* DT_INST */
 	zassert_equal(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT), 1,
@@ -1057,16 +1072,22 @@ static void test_pwms(void)
 	/* DT_INST_PWMS_CELL_BY_IDX */
 	zassert_equal(DT_INST_PWMS_CELL_BY_IDX(0, 1, channel), 5,
 		      "pwm 2 channel");
-	zassert_equal(DT_INST_PWMS_CELL_BY_IDX(0, 1, flags), 1, "pwm 2 flags");
+	zassert_equal(DT_INST_PWMS_CELL_BY_IDX(0, 1, period), 100,
+		      "pwm 2 period");
+	zassert_equal(DT_INST_PWMS_CELL_BY_IDX(0, 1, flags), 1,
+		      "pwm 2 flags");
 
 	/* DT_INST_PWMS_CELL_BY_NAME */
 	zassert_equal(DT_INST_PWMS_CELL_BY_NAME(0, green, channel), 5,
 		      "pwm-green channel");
+	zassert_equal(DT_INST_PWMS_CELL_BY_NAME(0, green, period), 100,
+		      "pwm-green period");
 	zassert_equal(DT_INST_PWMS_CELL_BY_NAME(0, green, flags), 1,
 		      "pwm-green flags");
 
 	/* DT_INST_PWMS_CELL */
 	zassert_equal(DT_INST_PWMS_CELL(0, channel), 8, "pwm channel");
+	zassert_equal(DT_INST_PWMS_CELL(0, period), 200, "pwm period");
 	zassert_equal(DT_INST_PWMS_CELL(0, flags), 3, "pwm flags");
 
 	/* DT_INST_PWMS_CHANNEL_BY_IDX */
@@ -1078,6 +1099,15 @@ static void test_pwms(void)
 	/* DT_INST_PWMS_CHANNEL */
 	zassert_equal(DT_INST_PWMS_CHANNEL(0), 8, "pwm channel");
 
+	/* DT_INST_PWMS_PERIOD_BY_IDX */
+	zassert_equal(DT_INST_PWMS_PERIOD_BY_IDX(0, 1), 100, "pwm period");
+
+	/* DT_INST_PWMS_PERIOD_BY_NAME */
+	zassert_equal(DT_INST_PWMS_PERIOD_BY_NAME(0, red), 200, "pwm periodx");
+
+	/* DT_INST_PWMS_PERIOD */
+	zassert_equal(DT_INST_PWMS_PERIOD(0), 200, "pwm period");
+
 	/* DT_INST_PWMS_FLAGS_BY_IDX */
 	zassert_equal(DT_INST_PWMS_FLAGS_BY_IDX(0, 1), 1, "pwm channel");