summaryrefslogtreecommitdiff
path: root/arch/arm64/boot/dts/freescale/imx8mq-evk-root.dts
blob: b77b5f52017f2710eeee6d1f82e54e272f48de26 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 */

#include "imx8mq-evk.dts"

/ {
	interrupt-parent = <&gic>;
};

&CPU_SLEEP {
	/* We are not using GPC for now, need set 0 to avoid hang */
	arm,psci-suspend-param = <0x0>;
};

&clk {
	init-on-array = <IMX8MQ_CLK_UART2_ROOT
			 IMX8MQ_CLK_UART2
			 IMX8MQ_CLK_USDHC1_ROOT
			 IMX8MQ_CLK_NAND_USDHC_BUS>;
};

&iomuxc {
	/*
	 * Used for the 2nd Linux.
	 * TODO: M4 may use these pins.
	 */
	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MQ_IOMUXC_UART2_RXD_UART2_DCE_RX	0x49
			MX8MQ_IOMUXC_UART2_TXD_UART2_DCE_TX	0x49
		>;
	};
};

&{/busfreq} {
	/* Disable busfreq, to avoid 1st Linux busfreq crash other inmates */
	status = "disabled";
};

&resmem {
	jh_reserved: jh@fdc00000 {
		no-map;
		reg = <0 0xfdc00000 0x0 0x400000>;
	};

	inmate_reserved: inmate@c0000000 {
		no-map;
		reg = <0 0xc0000000 0x0 0x3dc00000>;
	};

	loader_reserved: loader@bff00000 {
		no-map;
		reg = <0 0xbff00000 0x0 0x00100000>;
	};

	ivshmem_reserved: ivshmem@bfe00000 {
		no-map;
		reg = <0 0xbfe00000 0x0 0x00100000>;
	};

	ivshmem2_reserved: ivshmem2@bfd00000 {
		no-map;
		reg = <0 0xbfd00000 0x0 0x00100000>;
	};

	pci_reserved: pci@bfc00000 {
		no-map;
		reg = <0 0xbfb00000 0x0 0x00200000>;
	};

	linux,cma {
		compatible = "shared-dma-pool";
		reusable;
		size = <0 0x30000000>;
		alloc-ranges = <0 0x80000000 0 0x30000000>;
		linux,cma-default;
	};
};

&uart1 {
	/* uart2 is used by the 2nd OS, so configure pin and clk */
	pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart2>;
	assigned-clocks = <&clk IMX8MQ_CLK_UART1>,
			<&clk IMX8MQ_CLK_UART2>;
	assigned-clock-parents = <&clk IMX8MQ_CLK_25M>,
			<&clk IMX8MQ_CLK_25M>;
};

&usdhc1 {
	status = "disabled";
};

&usdhc2 {
	/* sdhc1 is used by 2nd linux, configure the pin */
	pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc1>, <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc1>, <&pinctrl_usdhc2_200mhz>;
};