boards: nxp: Added I2S Support for RW612

EmilioCBen · kartben · commit 9a893c6bd97d · 2025-04-03T21:06:14.000+02:00
Added I2S support for RW612.

Signed-off-by: Emilio Benavente &lt;emilio.benavente@nxp.com&gt;
diff --git a/boards/nxp/frdm_rw612/frdm_rw612-pinctrl.dtsi b/boards/nxp/frdm_rw612/frdm_rw612-pinctrl.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2024 NXP
+ * Copyright 2022-2025 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -72,4 +72,11 @@
 			slew-rate = "ultra";
 		};
 	};
+
+	pinmux_flexcomm1_i2s: pinmux_flexcomm1_i2s {
+		group0 {
+			pinmux = <IO_MUX_FC1_I2S>;
+			slew-rate = "normal";
+		};
+	};
 };
diff --git a/boards/nxp/frdm_rw612/frdm_rw612.yaml b/boards/nxp/frdm_rw612/frdm_rw612.yaml
@@ -1,5 +1,5 @@
 #
-# Copyright 2022-2024 NXP
+# Copyright 2022-2025 NXP
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -18,6 +18,7 @@ supported:
   - dma
   - spi
   - i2c
+  - i2s
   - entropy
   - usb_device
   - watchdog
diff --git a/boards/nxp/rd_rw612_bga/rd_rw612_bga-pinctrl.dtsi b/boards/nxp/rd_rw612_bga/rd_rw612_bga-pinctrl.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2024 NXP
+ * Copyright 2022-2025 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -119,4 +119,11 @@
 			slew-rate = "normal";
 		};
 	};
+
+	pinmux_flexcomm1_i2s: pinmux_flexcomm1_i2s {
+		group0 {
+			pinmux = <IO_MUX_FC1_I2S>;
+			slew-rate = "normal";
+		};
+	};
 };
diff --git a/boards/nxp/rd_rw612_bga/rd_rw612_bga.dtsi b/boards/nxp/rd_rw612_bga/rd_rw612_bga.dtsi
@@ -1,5 +1,5 @@
 /*
- * Copyright 2022-2024 NXP
+ * Copyright 2022-2025 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/boards/nxp/rd_rw612_bga/rd_rw612_bga.yaml b/boards/nxp/rd_rw612_bga/rd_rw612_bga.yaml
@@ -1,5 +1,5 @@
 #
-# Copyright 2022-2024 NXP
+# Copyright 2022-2025 NXP
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -24,6 +24,7 @@ supported:
   - gpio
   - hwinfo
   - i2c
+  - i2s
   - pwm
   - spi
   - usb_device
diff --git a/soc/nxp/rw/soc.c b/soc/nxp/rw/soc.c
@@ -230,6 +230,22 @@ __weak __ramfunc void clock_init(void)
 	 */
 	CLOCK_AttachClk(kAUDIO_PLL_to_DMIC_CLK);
 	CLOCK_SetClkDiv(kCLOCK_DivDmicClk, 4);
+
+	#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm0), nxp_lpc_i2s, okay))
+		CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM0);
+	#endif
+	#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm1), nxp_lpc_i2s, okay))
+		CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM1);
+	#endif
+	#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm2), nxp_lpc_i2s, okay))
+		CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM2);
+	#endif
+	#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm3), nxp_lpc_i2s, okay))
+		CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM3);
+	#endif
+	#if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(flexcomm14), nxp_lpc_i2s, okay))
+		CLOCK_AttachClk(kAUDIO_PLL_to_FLEXCOMM14);
+	#endif
 #endif
 
 #if DT_NODE_HAS_STATUS_OKAY(DT_NODELABEL(lcdic)) && CONFIG_MIPI_DBI_NXP_LCDIC

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`#`
`2`		`-# Copyright 2022-2024 NXP`
	`2`	`+# Copyright 2022-2025 NXP`
`3`	`3`	`#`
`4`	`4`	`# SPDX-License-Identifier: Apache-2.0`
`5`	`5`	`#`
`@@ -18,6 +18,7 @@ supported:`
`18`	`18`	`- dma`
`19`	`19`	`- spi`
`20`	`20`	`- i2c`
	`21`	`+ - i2s`
`21`	`22`	`- entropy`
`22`	`23`	`- usb_device`
`23`	`24`	`- watchdog`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`/*`
`2`		`- * Copyright 2022-2024 NXP`
	`2`	`+ * Copyright 2022-2025 NXP`
`3`	`3`	`*`
`4`	`4`	`* SPDX-License-Identifier: Apache-2.0`
`5`	`5`	`*/`