[PATCH v2 12/17] arm64: dts: imx95-15x15-evk: Add board muxes to select between PDM and MQS1

[Chancel Liu]

From: Chancel Liu <chancel.liu@xxxxxxx>

PDM has pin conflict with MQS1. Add GPIO-controlled board muxes to
route shared signals between PDM and MQS1.

Signed-off-by: Chancel Liu <chancel.liu@xxxxxxx>
---
 .../boot/dts/freescale/imx95-15x15-evk.dts    | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 6aedcbbe915a..aaa2608793bf 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -114,6 +114,25 @@ flexcan2_phy: can-phy {
 		silent-gpios = <&pcal6524 14 GPIO_ACTIVE_HIGH>;
 	};
 
+	pdm_mqs1_mux: mux-controller-0 {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+		#mux-state-cells = <1>;
+		mux-gpios = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+	};
+
+	pinctrl-gpiomux {
+		compatible = "pinctrl-multiplexer";
+
+		pdm_fun: pdm-grp {
+			mux-states = <&pdm_mqs1_mux 0>;
+		};
+
+		mqs1_fun: mqs1-grp {
+			mux-states = <&pdm_mqs1_mux 1>;
+		};
+	};
+
 	reg_m2_pwr: regulator-m2-pwr {
 		compatible = "regulator-fixed";
 		regulator-max-microvolt = <3300000>;
@@ -488,7 +507,7 @@ &micfil {
 	assigned-clock-parents = <0>, <0>, <0>, <0>, <&scmi_clk IMX95_CLK_AUDIOPLL1>;
 	assigned-clock-rates = <3932160000>, <3612672000>, <393216000>, <361267200>, <49152000>;
 	#sound-dai-cells = <0>;
-	pinctrl-0 = <&pinctrl_pdm>;
+	pinctrl-0 = <&pinctrl_pdm>, <&pdm_fun>;
 	pinctrl-names = "default";
 	status = "okay";
 };
-- 
2.50.1