linux-brain/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk-root.dts

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright 2019 NXP
*/
#include "imx8mn-ddr4-evk.dts"
/*
TODO: need uncomment when linux ready
&cpu_pd_wait {
/delete-property/ compatible;
};
*/
&{/} {
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.
*/
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>;
};
&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>;
};