Commit 30f9a9da authored by Jagan Teki's avatar Jagan Teki Committed by Alexandre Torgue
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ARM: dts: stm32: Add Engicam i.Core STM32MP1 SoM 



i.Core STM32MP1 is an EDIMM SoM based on STM32MP157A from Engicam.

General features:
- STM32MP157A
- Up to 1GB DDR3L
- 4GB eMMC
- 10/100 Ethernet
- USB 2.0 Host/OTG
- I2S
- MIPI DSI to LVDS
- rest of STM32MP157A features

i.Core STM32MP1 needs to mount on top of Engicam baseboards
for creating complete platform solutions.

Add support for it.

Signed-off-by: default avatarJagan Teki <jagan@amarulasolutions.com>
Signed-off-by: default avatarAlexandre Torgue <alexandre.torgue@foss.st.com>
parent 111d2346

arch/arm/boot/dts/stm32mp157a-icore-stm32mp1.dtsi

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+196 −0
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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)

/*

 * Copyright (c) STMicroelectronics 2019 - All Rights Reserved

 * Copyright (c) 2020 Engicam srl

 * Copyright (c) 2020 Amarula Solutons(India)

 */



/ {

	compatible = "engicam,icore-stm32mp1", "st,stm32mp157";



	memory@c0000000 {

		device_type = "memory";

		reg = <0xc0000000 0x20000000>;

	};



	reserved-memory {

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;



		mcuram2: mcuram2@10000000 {

			compatible = "shared-dma-pool";

			reg = <0x10000000 0x40000>;

			no-map;

		};



		vdev0vring0: vdev0vring0@10040000 {

			compatible = "shared-dma-pool";

			reg = <0x10040000 0x1000>;

			no-map;

		};



		vdev0vring1: vdev0vring1@10041000 {

			compatible = "shared-dma-pool";

			reg = <0x10041000 0x1000>;

			no-map;

		};



		vdev0buffer: vdev0buffer@10042000 {

			compatible = "shared-dma-pool";

			reg = <0x10042000 0x4000>;

			no-map;

		};



		mcuram: mcuram@30000000 {

			compatible = "shared-dma-pool";

			reg = <0x30000000 0x40000>;

			no-map;

		};



		retram: retram@38000000 {

			compatible = "shared-dma-pool";

			reg = <0x38000000 0x10000>;

			no-map;

		};

	};



	vddcore: regulator-vddcore {

		compatible = "regulator-fixed";

		regulator-name = "vddcore";

		regulator-min-microvolt = <1200000>;

		regulator-max-microvolt = <1200000>;

		regulator-always-on;

	};



	vdd: regulator-vdd {

		compatible = "regulator-fixed";

		regulator-name = "vdd";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	vdd_usb: regulator-vdd-usb {

		compatible = "regulator-fixed";

		regulator-name = "vdd_usb";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	vdda: regulator-vdda {

		compatible = "regulator-fixed";

		regulator-name = "vdda";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	vdd_ddr: regulator-vdd-ddr {

		compatible = "regulator-fixed";

		regulator-name = "vdd_ddr";

		regulator-min-microvolt = <1350000>;

		regulator-max-microvolt = <1350000>;

		regulator-always-on;

	};



	vtt_ddr: regulator-vtt-ddr {

		compatible = "regulator-fixed";

		regulator-name = "vtt_ddr";

		regulator-min-microvolt = <675000>;

		regulator-max-microvolt = <675000>;

		regulator-always-on;

		vin-supply = <&vdd>;

	};



	vref_ddr: regulator-vref-ddr {

		compatible = "regulator-fixed";

		regulator-name = "vref_ddr";

		regulator-min-microvolt = <675000>;

		regulator-max-microvolt = <675000>;

		regulator-always-on;

		vin-supply = <&vdd>;

	};



	vdd_sd: regulator-vdd-sd {

		compatible = "regulator-fixed";

		regulator-name = "vdd_sd";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	v3v3: regulator-v3v3 {

		compatible = "regulator-fixed";

		regulator-name = "v3v3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

	};



	v2v8: regulator-v2v8 {

		compatible = "regulator-fixed";

		regulator-name = "v2v8";

		regulator-min-microvolt = <2800000>;

		regulator-max-microvolt = <2800000>;

		regulator-always-on;

		vin-supply = <&v3v3>;

	};



	v1v8: regulator-v1v8 {

		compatible = "regulator-fixed";

		regulator-name = "v1v8";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		regulator-always-on;

		vin-supply = <&v3v3>;

	};

};



&dts {

	status = "okay";

};



&i2c2 {

	i2c-scl-falling-time-ns = <20>;

	i2c-scl-rising-time-ns = <185>;

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&i2c2_pins_a>;

	pinctrl-1 = <&i2c2_sleep_pins_a>;

	status = "okay";

};



&ipcc {

	status = "okay";

};



&iwdg2{

	timeout-sec = <32>;

	status = "okay";

};



&m4_rproc{

	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,

			<&vdev0vring1>, <&vdev0buffer>;

	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;

	mbox-names = "vq0", "vq1", "shutdown";

	interrupt-parent = <&exti>;

	interrupts = <68 1>;

	status = "okay";

};



&rng1 {

	status = "okay";

};



&rtc{

	status = "okay";

};



&vrefbuf {

	regulator-min-microvolt = <2500000>;

	regulator-max-microvolt = <2500000>;

	vdda-supply = <&vdd>;

	status = "okay";

};