dts: add device tree for STM32MP157C-ED1 board

Add minimal devicetree for STM32MP157C-ED1 board,
with only the devices to allow boot from SDCARD:
- RCC for clock and reset
- UART4 for console
- I2C and PMIC
- DDR
- SDMMC0 for SDCard

Waiting Kernel upstream for alignment.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>

1 files changed, 303 insertions, 0 deletions

diff --git a/arch/arm/dts/stm32mp157.dtsi b/arch/arm/dts/stm32mp157.dtsi
new file mode 100644
index 00000000000..32d3984259b
--- /dev/null
+++ b/arch/arm/dts/stm32mp157.dtsi
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/stm32mp1-clks.h>
+#include <dt-bindings/reset-controller/stm32mp1-resets.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a7";
+			device_type = "cpu";
+			reg = <0>;
+		};
+
+		cpu1: cpu@1 {
+			compatible = "arm,cortex-a7";
+			device_type = "cpu";
+			reg = <1>;
+		};
+	};
+
+	aliases {
+		serial3 = &uart4;
+	};
+
+	intc: interrupt-controller@a0021000 {
+		compatible = "arm,cortex-a7-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0xa0021000 0x1000>,
+		      <0xa0022000 0x2000>;
+	};
+
+	clocks {
+		clk_hse: clk-hse {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+
+		clk_hsi: clk-hsi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <64000000>;
+		};
+
+		clk_lse: clk-lse {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		clk_lsi: clk-lsi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+		};
+
+		clk_csi: clk-csi {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <4000000>;
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		interrupt-parent = <&intc>;
+		ranges;
+
+		uart4: serial@40010000 {
+			compatible = "st,stm32h7-uart";
+			reg = <0x40010000 0x400>;
+			clocks = <&rcc_clk UART4_K>;
+			status = "disabled";
+		};
+
+		rcc: rcc@50000000 {
+			compatible = "syscon", "simple-mfd";
+
+			reg = <0x50000000 0x1000>;
+
+			rcc_clk: rcc-clk@50000000 {
+				#clock-cells = <1>;
+				compatible = "st,stm32mp1-rcc-clk";
+			};
+
+			rcc_rst: rcc-reset@50000000 {
+				#reset-cells = <1>;
+				compatible = "st,stm32mp1-rcc-rst";
+			};
+		};
+
+		pinctrl: pin-controller {
+			compatible = "st,stm32mp157-pinctrl";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x50002000 0xa400>;
+			pins-are-numbered;
+
+			gpioa: gpio@50002000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x0 0x400>;
+				clocks = <&rcc_clk GPIOA>;
+				st,bank-name = "GPIOA";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 0 16>;
+				status = "disabled";
+			};
+
+			gpiob: gpio@50003000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x1000 0x400>;
+				clocks = <&rcc_clk GPIOB>;
+				st,bank-name = "GPIOB";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 16 16>;
+				status = "disabled";
+			};
+
+			gpioc: gpio@50004000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x2000 0x400>;
+				clocks = <&rcc_clk GPIOC>;
+				st,bank-name = "GPIOC";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 32 16>;
+				status = "disabled";
+			};
+
+			gpiod: gpio@50005000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x3000 0x400>;
+				clocks = <&rcc_clk GPIOD>;
+				st,bank-name = "GPIOD";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 48 16>;
+				status = "disabled";
+			};
+
+			gpioe: gpio@50006000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x4000 0x400>;
+				clocks = <&rcc_clk GPIOE>;
+				st,bank-name = "GPIOE";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 64 16>;
+				status = "disabled";
+			};
+
+			gpiof: gpio@50007000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x5000 0x400>;
+				clocks = <&rcc_clk GPIOF>;
+				st,bank-name = "GPIOF";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 80 16>;
+				status = "disabled";
+			};
+
+			gpiog: gpio@50008000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x6000 0x400>;
+				clocks = <&rcc_clk GPIOG>;
+				st,bank-name = "GPIOG";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 96 16>;
+				status = "disabled";
+			};
+
+			gpioh: gpio@50009000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x7000 0x400>;
+				clocks = <&rcc_clk GPIOH>;
+				st,bank-name = "GPIOH";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 112 16>;
+				status = "disabled";
+			};
+
+			gpioi: gpio@5000a000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x8000 0x400>;
+				clocks = <&rcc_clk GPIOI>;
+				st,bank-name = "GPIOI";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 128 16>;
+				status = "disabled";
+			};
+
+			gpioj: gpio@5000b000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0x9000 0x400>;
+				clocks = <&rcc_clk GPIOJ>;
+				st,bank-name = "GPIOJ";
+				ngpios = <16>;
+				gpio-ranges = <&pinctrl 0 144 16>;
+				status = "disabled";
+			};
+
+			gpiok: gpio@5000c000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0xa000 0x400>;
+				clocks = <&rcc_clk GPIOK>;
+				st,bank-name = "GPIOK";
+				ngpios = <8>;
+				gpio-ranges = <&pinctrl 0 160 8>;
+				status = "disabled";
+			};
+		};
+
+		pinctrl_z: pin-controller-z {
+			compatible = "st,stm32mp157-z-pinctrl";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x54004000 0x400>;
+			pins-are-numbered;
+
+			gpioz: gpio@54004000 {
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				reg = <0 0x400>;
+				clocks = <&rcc_clk GPIOZ>;
+				st,bank-name = "GPIOZ";
+				st,bank-ioport = <11>;
+				ngpios = <8>;
+				gpio-ranges = <&pinctrl_z 0 400 8>;
+				status = "disabled";
+			};
+		};
+
+		sdmmc1: sdmmc@58005000 {
+			compatible = "st,stm32-sdmmc2";
+			reg = <0x58005000 0x1000>, <0x58006000 0x1000>;
+			reg-names = "sdmmc", "delay";
+			clocks = <&rcc_clk SDMMC1_K>;
+			resets = <&rcc_rst SDMMC1_R>;
+			st,idma = <1>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			max-frequency = <120000000>;
+			status = "disabled";
+		};
+
+		i2c4: i2c@5c002000 {
+			compatible = "st,stm32f7-i2c";
+			reg = <0x5c002000 0x400>;
+			interrupt-names = "event", "error", "wakeup";
+			clocks = <&rcc_clk I2C4_K>;
+			resets = <&rcc_rst I2C4_R>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			wakeup-source;
+			status = "disabled";
+		};
+	};
+};