From 63d4dc5846e0bc84e437746e4794fec1bceffad9 Mon Sep 17 00:00:00 2001
From: Giulio Benetti <giulio.benetti@benettiengineering.com>
Date: Tue, 18 Feb 2020 20:02:53 +0100
Subject: [PATCH] ARM: dts: imxrt1020: add dtsi file

Add dtsi file for i.MXRT1020.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
---
 arch/arm/dts/imxrt1020.dtsi | 133 ++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 arch/arm/dts/imxrt1020.dtsi

diff --git a/arch/arm/dts/imxrt1020.dtsi b/arch/arm/dts/imxrt1020.dtsi
new file mode 100644
index 0000000000..97f3cec9f3
--- /dev/null
+++ b/arch/arm/dts/imxrt1020.dtsi
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (C) 2020
+ * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
+ */
+
+#include "armv7-m.dtsi"
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/imxrt1020-clock.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/memory/imxrt-sdram.h>
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		gpio0 = &gpio1;
+		gpio1 = &gpio2;
+		gpio2 = &gpio3;
+		mmc0 = &usdhc1;
+		serial0 = &lpuart1;
+	};
+
+	clocks {
+		u-boot,dm-spl;
+		ckil {
+			compatible = "fsl,imx-ckil", "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <32768>;
+		};
+
+		ckih1 {
+			compatible = "fsl,imx-ckih1", "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <0>;
+		};
+
+		osc {
+			u-boot,dm-spl;
+			compatible = "fsl,imx-osc", "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <24000000>;
+		};
+	};
+
+	soc {
+		u-boot,dm-spl;
+
+		semc: semc@402f0000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt-semc";
+			reg = <0x402f0000 0x4000>;
+			clocks = <&clks IMXRT1020_CLK_SEMC>;
+			pinctrl-0 = <&pinctrl_semc>;
+			pinctrl-names = "default";
+			status = "okay";
+		};
+
+		lpuart1: serial@40184000 {
+			compatible = "fsl,imxrt-lpuart";
+			reg = <0x40184000 0x4000>;
+			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clks IMXRT1020_CLK_LPUART1>;
+			clock-names = "per";
+			status = "disabled";
+		};
+
+		iomuxc: iomuxc@401f8000 {
+			compatible = "fsl,imxrt-iomuxc";
+			reg = <0x401f8000 0x4000>;
+			fsl,mux_mask = <0x7>;
+		};
+
+		clks: ccm@400fc000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt1020-ccm";
+			reg = <0x400fc000 0x4000>;
+			interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+			#clock-cells = <1>;
+		};
+
+		usdhc1: usdhc@402c0000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt-usdhc";
+			reg = <0x402c0000 0x10000>;
+			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clks IMXRT1020_CLK_USDHC1>;
+			clock-names = "per";
+			bus-width = <4>;
+			fsl,tuning-start-tap = <20>;
+			fsl,tuning-step= <2>;
+			status = "disabled";
+		};
+
+		gpio1: gpio@401b8000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
+			reg = <0x401b8000 0x4000>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		gpio2: gpio@401bc000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
+			reg = <0x401bc000 0x4000>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		gpio3: gpio@401c0000 {
+			u-boot,dm-spl;
+			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
+			reg = <0x401c0000 0x4000>;
+			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+};
-- 
2.39.5