Merge tag 'stm32-dt-for-v4.6-1' of...

Merge tag 'stm32-dt-for-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/stm32 into next/dt

Highlights:
-----------
 - Add DMA controller node to stm32f429 MCU
 - Add pinctrl & gpio nodes to stm32f429 MCU
 - Remap stm32429-eval board SD-Ram to 0x0 for performance boost

* tag 'stm32-dt-for-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/stm32:
  ARM: dts: stm32f429: Boost perfs by remapping SDRAM Bank 1 to 0x0
  ARM: dts: Add leds support to STM32F429 boards
  ARM: dts: Add USART1 pin config to STM32F429 boards
  ARM: dts: Add pinctrl node to STM32F429
  includes: dt-bindings: Add STM32F429 pinctrl DT bindings
  ARM: dts: Add STM32 DMA support for STM32F429 MCU
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/stm32429i-eval.dts

@@ -58,12 +58,29 @@ chosen {
 	};
 
 	memory {
-		reg = <0xc0000000 0x2000000>;
+		reg = <0x00000000 0x2000000>;
 	};
 
 	aliases {
 		serial0 = &usart1;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+		green {
+			gpios = <&gpiog 6 1>;
+			linux,default-trigger = "heartbeat";
+		};
+		orange {
+			gpios = <&gpiog 7 1>;
+		};
+		red {
+			gpios = <&gpiog 10 1>;
+		};
+		blue {
+			gpios = <&gpiog 12 1>;
+		};
+	};
 };
 
 &clk_hse {
@@ -71,5 +88,7 @@ &clk_hse {
 };
 
 &usart1 {
+	pinctrl-0 = <&usart1_pins_a>;
+	pinctrl-names = "default";
 	status = "okay";
 };

arch/arm/boot/dts/stm32f429-disco.dts

@@ -64,6 +64,17 @@ memory {
 	aliases {
 		serial0 = &usart1;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+		red {
+			gpios = <&gpiog 14 0>;
+		};
+		green {
+			gpios = <&gpiog 13 0>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
 };
 
 &clk_hse {
@@ -71,5 +82,7 @@ &clk_hse {
 };
 
 &usart1 {
+	pinctrl-0 = <&usart1_pins_a>;
+	pinctrl-names = "default";
 	status = "okay";
 };

arch/arm/boot/dts/stm32f429.dtsi

@@ -46,6 +46,7 @@
  */
 
 #include "armv7-m.dtsi"
+#include <dt-bindings/pinctrl/stm32f429-pinfunc.h>
 
 / {
 	clocks {
@@ -57,6 +58,8 @@ clk_hse: clk-hse {
 	};
 
 	soc {
+		dma-ranges = <0xc0000000 0x0 0x10000000>;
+
 		timer2: timer@40000000 {
 			compatible = "st,stm32-timer";
 			reg = <0x40000000 0x400>;
@@ -168,6 +171,115 @@ usart6: serial@40011400 {
 			status = "disabled";
 		};
 
+		pin-controller {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			compatible = "st,stm32f429-pinctrl";
+			ranges = <0 0x40020000 0x3000>;
+			pins-are-numbered;
+
+			gpioa: gpio@40020000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x0 0x400>;
+				clocks = <&rcc 0 256>;
+				st,bank-name = "GPIOA";
+			};
+
+			gpiob: gpio@40020400 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x400 0x400>;
+				clocks = <&rcc 0 257>;
+				st,bank-name = "GPIOB";
+			};
+
+			gpioc: gpio@40020800 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x800 0x400>;
+				clocks = <&rcc 0 258>;
+				st,bank-name = "GPIOC";
+			};
+
+			gpiod: gpio@40020c00 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0xc00 0x400>;
+				clocks = <&rcc 0 259>;
+				st,bank-name = "GPIOD";
+			};
+
+			gpioe: gpio@40021000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x1000 0x400>;
+				clocks = <&rcc 0 260>;
+				st,bank-name = "GPIOE";
+			};
+
+			gpiof: gpio@40021400 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x1400 0x400>;
+				clocks = <&rcc 0 261>;
+				st,bank-name = "GPIOF";
+			};
+
+			gpiog: gpio@40021800 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x1800 0x400>;
+				clocks = <&rcc 0 262>;
+				st,bank-name = "GPIOG";
+			};
+
+			gpioh: gpio@40021c00 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x1c00 0x400>;
+				clocks = <&rcc 0 263>;
+				st,bank-name = "GPIOH";
+			};
+
+			gpioi: gpio@40022000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x2000 0x400>;
+				clocks = <&rcc 0 264>;
+				st,bank-name = "GPIOI";
+			};
+
+			gpioj: gpio@40022400 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x2400 0x400>;
+				clocks = <&rcc 0 265>;
+				st,bank-name = "GPIOJ";
+			};
+
+			gpiok: gpio@40022800 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				reg = <0x2800 0x400>;
+				clocks = <&rcc 0 266>;
+				st,bank-name = "GPIOK";
+			};
+
+			usart1_pins_a: usart1@0 {
+				pins1 {
+					pinmux = <STM32F429_PA9_FUNC_USART1_TX>;
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <0>;
+				};
+				pins2 {
+					pinmux = <STM32F429_PA10_FUNC_USART1_RX>;
+					bias-disable;
+				};
+			};
+		};
+
 		rcc: rcc@40023810 {
 			#clock-cells = <2>;
 			compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
@@ -175,6 +287,37 @@ rcc: rcc@40023810 {
 			clocks = <&clk_hse>;
 		};
 
+		dma1: dma-controller@40026000 {
+			compatible = "st,stm32-dma";
+			reg = <0x40026000 0x400>;
+			interrupts = <11>,
+				     <12>,
+				     <13>,
+				     <14>,
+				     <15>,
+				     <16>,
+				     <17>,
+				     <47>;
+			clocks = <&rcc 0 21>;
+			#dma-cells = <4>;
+		};
+
+		dma2: dma-controller@40026400 {
+			compatible = "st,stm32-dma";
+			reg = <0x40026400 0x400>;
+			interrupts = <56>,
+				     <57>,
+				     <58>,
+				     <59>,
+				     <60>,
+				     <68>,
+				     <69>,
+				     <70>;
+			clocks = <&rcc 0 22>;
+			#dma-cells = <4>;
+			st,mem2mem;
+		};
+
 		rng: rng@50060800 {
 			compatible = "st,stm32-rng";
 			reg = <0x50060800 0x400>;