[PATCH v2 02/17] arm64: dts: imx91-11x11-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/imx91-11x11-evk.dts    | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
index 5716febb5a50..4d1ada6a3942 100644
--- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
@@ -41,6 +41,25 @@ chosen {
 		stdout-path = &lpuart1;
 	};
 
+	pdm_mqs1_mux: mux-controller-0 {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+		#mux-state-cells = <1>;
+		mux-gpios = <&adp5585 2 GPIO_ACTIVE_HIGH>;
+	};
+
+	pinctrl-gpiomux {
+		compatible = "pinctrl-multiplexer";
+
+		mqs1_fun: mqs1-grp {
+			mux-states = <&pdm_mqs1_mux 1>;
+		};
+
+		pdm_fun: pdm-grp {
+			mux-states = <&pdm_mqs1_mux 0>;
+		};
+	};
+
 	reg_vref_1v8: regulator-adc-vref {
 		compatible = "regulator-fixed";
 		regulator-max-microvolt = <1800000>;
@@ -484,7 +503,7 @@ bluetooth {
 
 &micfil {
 	pinctrl-names = "default", "sleep";
-	pinctrl-0 = <&pinctrl_pdm>;
+	pinctrl-0 = <&pinctrl_pdm>, <&pdm_fun>;
 	pinctrl-1 = <&pinctrl_pdm_sleep>;
 	assigned-clocks = <&clk IMX93_CLK_PDM>;
 	assigned-clock-parents = <&clk IMX93_CLK_AUDIO_PLL>;
-- 
2.50.1