ARM: dts: stm32: Adapt stm32mp157 pinctrl to manage STM32MP15xx SOCs family

This commit modifies stm32mp157 pinctrl files to better manage STM32MP15xx
SOCs diversity. Pin controller and gpio controller are moved to common SOC
dtsi file. Only pin groups remain in the main pinctrl dtsi file.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157c.dtsi

@@ -1572,6 +1572,163 @@ i2c6: i2c@5c009000 {
 			#size-cells = <0>;
 			status = "disabled";
 		};
+
+		/*
+		 * Break node order to solve dependency probe issue between
+		 * pinctrl and exti.
+		 */
+		pinctrl: pin-controller@50002000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "st,stm32mp157-pinctrl";
+			ranges = <0 0x50002000 0xa400>;
+			interrupt-parent = <&exti>;
+			st,syscfg = <&exti 0x60 0xff>;
+			pins-are-numbered;
+
+			gpioa: gpio@50002000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x0 0x400>;
+				clocks = <&rcc GPIOA>;
+				st,bank-name = "GPIOA";
+				status = "disabled";
+			};
+
+			gpiob: gpio@50003000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x1000 0x400>;
+				clocks = <&rcc GPIOB>;
+				st,bank-name = "GPIOB";
+				status = "disabled";
+			};
+
+			gpioc: gpio@50004000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x2000 0x400>;
+				clocks = <&rcc GPIOC>;
+				st,bank-name = "GPIOC";
+				status = "disabled";
+			};
+
+			gpiod: gpio@50005000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x3000 0x400>;
+				clocks = <&rcc GPIOD>;
+				st,bank-name = "GPIOD";
+				status = "disabled";
+			};
+
+			gpioe: gpio@50006000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x4000 0x400>;
+				clocks = <&rcc GPIOE>;
+				st,bank-name = "GPIOE";
+				status = "disabled";
+			};
+
+			gpiof: gpio@50007000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x5000 0x400>;
+				clocks = <&rcc GPIOF>;
+				st,bank-name = "GPIOF";
+				status = "disabled";
+			};
+
+			gpiog: gpio@50008000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x6000 0x400>;
+				clocks = <&rcc GPIOG>;
+				st,bank-name = "GPIOG";
+				status = "disabled";
+			};
+
+			gpioh: gpio@50009000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x7000 0x400>;
+				clocks = <&rcc GPIOH>;
+				st,bank-name = "GPIOH";
+				status = "disabled";
+			};
+
+			gpioi: gpio@5000a000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x8000 0x400>;
+				clocks = <&rcc GPIOI>;
+				st,bank-name = "GPIOI";
+				status = "disabled";
+			};
+
+			gpioj: gpio@5000b000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x9000 0x400>;
+				clocks = <&rcc GPIOJ>;
+				st,bank-name = "GPIOJ";
+				status = "disabled";
+			};
+
+			gpiok: gpio@5000c000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0xa000 0x400>;
+				clocks = <&rcc GPIOK>;
+				st,bank-name = "GPIOK";
+				status = "disabled";
+			};
+		};
+
+		pinctrl_z: pin-controller-z@54004000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "st,stm32mp157-z-pinctrl";
+			ranges = <0 0x54004000 0x400>;
+			pins-are-numbered;
+			interrupt-parent = <&exti>;
+			st,syscfg = <&exti 0x60 0xff>;
+
+			gpioz: gpio@54004000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0 0x400>;
+				clocks = <&rcc GPIOZ>;
+				st,bank-name = "GPIOZ";
+				st,bank-ioport = <11>;
+				status = "disabled";
+			};
+		};
 	};
 
 	mlahb {