dts: imx_rt: add pinctrl and gpr for rt1xxx

add dtsi settings for rt series
dtsi use gpr to replace pinmux
nxp iomuxc has gpr which has more settings than mux and io settings
current solution is to export gpr separately and access then directly

Signed-off-by: Hake Huang <[email protected]>
Signed-off-by: Daniel DeGrasse <[email protected]>

Author: hakehuang

dts/arm/nxp/nxp_rt.dtsi

@@ -232,8 +232,13 @@
 		};
 
 		iomuxc: iomuxc@401f8000 {
+			compatible = "nxp,imx-iomuxc";
 			reg = <0x401f8000 0x4000>;
-			label = "PINMUX_0";
+			status = "okay";
+			pinctrl: pinctrl {
+				status = "okay";
+				compatible = "nxp,mcux-rt-pinctrl";
+			};
 		};
 
 		lcdif: display-controller@402b8000 {
@@ -730,7 +735,7 @@
 		};
 
 		iomuxcgpr: iomuxcgpr@400ac000 {
-			compatible = "nxp,imx-pinmux";
+			compatible = "nxp,imx-gpr";
 			reg = <0x400AC000 0x4000>;
 			label = "IOMUX_GPR";
 			#pinmux-cells = <2>;

dts/arm/nxp/nxp_rt11xx.dtsi

@@ -319,8 +319,26 @@
 		};
 
 		iomuxc: iomuxc@400e8000 {
+			compatible = "nxp,imx-iomuxc";
 			reg = <0x400e8000 0x4000>;
-			label = "PINMUX_0";
+			status = "okay";
+			pinctrl: pinctrl {
+				status = "okay";
+				compatible = "nxp,mcux-rt-pinctrl";
+			};
+		};
+
+		iomuxc_lpsr: iomuxc_lpsr@40c08000 {
+			compatible = "nxp,mcux-rt-pinctrl";
+			reg = <0x40c08000 0x4000>;
+			status = "disabled";
+		};
+
+		iomuxc_lpsr_gpr: iomuxc_lpsr_gpr@40c08000 {
+			compatible = "nxp,imx-gpr";
+			reg = <0x40c08000 0x4000>;
+			label = "IOMUX_GPR";
+			#pinmux-cells = <2>;
 		};
 
 		lcdif: display-controller@40804000 {
@@ -896,8 +914,8 @@
 		};
 
 		iomuxcgpr: iomuxcgpr@400e4000 {
-			compatible = "nxp,imx-pinmux";
-			reg = <0x400E4000 0x4000>;
+			compatible = "nxp,imx-gpr";
+			reg = <0x400e4000 0x4000>;
 			label = "IOMUX_GPR";
 			#pinmux-cells = <2>;
 		};