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path: root/arch/arm64/boot/dts/freescale/imx8mn-evk-root.dts
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2020 NXP
 */

#include "imx8mn-evk.dts"

&{/} {
	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0 0x28000000>;
			alloc-ranges = <0 0x40000000 0 0x93c00000>;
			linux,cma-default;
		};

		ivshmem_reserved: ivshmem@0xbbb00000 {
			no-map;
			reg = <0 0xbbb00000 0x0 0x00100000>;
		};

		ivshmem2_reserved: ivshmem2@0xbba00000 {
			no-map;
			reg = <0 0xbba00000 0x0 0x00100000>;
		};

		pci_reserved: pci@0xbb800000 {
			no-map;
			reg = <0 0xbb800000 0x0 0x00200000>;
		};

		loader_reserved: loader@0xbb700000 {
			no-map;
			reg = <0 0xbb700000 0x0 0x00100000>;
		};

		jh_reserved: jh@0xb7c00000 {
			no-map;
			reg = <0 0xb7c00000 0x0 0x00400000>;
		};

		/* 512MB */
		inmate_reserved: inmate@0x93c00000 {
			no-map;
			reg = <0 0x93c00000 0x0 0x24000000>;
		};
	};
};

&iomuxc {
	/*
	 * Used for the 2nd Linux.
	 * TODO: M4 may use these pins.
	 */
	imx8mn-evk {
		pinctrl_uart4: uart4grp {
			fsl,pins = <
				MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX	0x140
				MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX	0x140
			>;
		};
	};
};

&clk {
	init-on-array = <IMX8MN_CLK_NAND_USDHC_BUS
			 IMX8MN_CLK_USDHC3_ROOT
			 IMX8MN_CLK_UART4_ROOT
			 IMX8MN_CLK_OCOTP_ROOT>;
};

&uart2 {
	pinctrl-0 = <&pinctrl_uart2>, <&pinctrl_uart4>;
	assigned-clocks = <&clk IMX8MN_CLK_UART4>;
	assigned-clock-parents = <&clk IMX8MN_CLK_24M>;
};

&usdhc3 {
	status = "disabled";
};

&usdhc2 {
	pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
	pinctrl-1 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
	pinctrl-2 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
};