xref: /freebsd/sys/contrib/device-tree/src/arm64/freescale/imx8mn-ddr4-evk.dts (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright 2019 NXP
4 */
5
6/dts-v1/;
7
8#include "imx8mn.dtsi"
9#include "imx8mn-evk.dtsi"
10
11/ {
12	model = "NXP i.MX8MNano DDR4 EVK board";
13	compatible = "fsl,imx8mn-ddr4-evk", "fsl,imx8mn";
14};
15
16&A53_0 {
17	cpu-supply = <&buck2_reg>;
18};
19
20&A53_1 {
21	cpu-supply = <&buck2_reg>;
22};
23
24&A53_2 {
25	cpu-supply = <&buck2_reg>;
26};
27
28&A53_3 {
29	cpu-supply = <&buck2_reg>;
30};
31
32&ddrc {
33	operating-points-v2 = <&ddrc_opp_table>;
34
35	ddrc_opp_table: opp-table {
36		compatible = "operating-points-v2";
37
38		opp-25M {
39			opp-hz = /bits/ 64 <25000000>;
40		};
41
42		opp-100M {
43			opp-hz = /bits/ 64 <100000000>;
44		};
45
46		opp-600M {
47			opp-hz = /bits/ 64 <600000000>;
48		};
49	};
50};
51
52&i2c1 {
53	pmic@4b {
54		compatible = "rohm,bd71847";
55		reg = <0x4b>;
56		pinctrl-0 = <&pinctrl_pmic>;
57		interrupt-parent = <&gpio1>;
58		interrupts = <3 GPIO_ACTIVE_LOW>;
59		rohm,reset-snvs-powered;
60
61		regulators {
62			buck1_reg: BUCK1 {
63				regulator-name = "BUCK1";
64				regulator-min-microvolt = <700000>;
65				regulator-max-microvolt = <1300000>;
66				regulator-boot-on;
67				regulator-always-on;
68				regulator-ramp-delay = <1250>;
69			};
70
71			buck2_reg: BUCK2 {
72				regulator-name = "BUCK2";
73				regulator-min-microvolt = <700000>;
74				regulator-max-microvolt = <1300000>;
75				regulator-boot-on;
76				regulator-always-on;
77				regulator-ramp-delay = <1250>;
78			};
79
80			buck3_reg: BUCK3 {
81				// BUCK5 in datasheet
82				regulator-name = "BUCK3";
83				regulator-min-microvolt = <700000>;
84				regulator-max-microvolt = <1350000>;
85			};
86
87			buck4_reg: BUCK4 {
88				// BUCK6 in datasheet
89				regulator-name = "BUCK4";
90				regulator-min-microvolt = <3000000>;
91				regulator-max-microvolt = <3300000>;
92				regulator-boot-on;
93				regulator-always-on;
94			};
95
96			buck5_reg: BUCK5 {
97				// BUCK7 in datasheet
98				regulator-name = "BUCK5";
99				regulator-min-microvolt = <1605000>;
100				regulator-max-microvolt = <1995000>;
101				regulator-boot-on;
102				regulator-always-on;
103			};
104
105			buck6_reg: BUCK6 {
106				// BUCK8 in datasheet
107				regulator-name = "BUCK6";
108				regulator-min-microvolt = <800000>;
109				regulator-max-microvolt = <1400000>;
110				regulator-boot-on;
111				regulator-always-on;
112			};
113
114			ldo1_reg: LDO1 {
115				regulator-name = "LDO1";
116				regulator-min-microvolt = <1600000>;
117				regulator-max-microvolt = <3300000>;
118				regulator-boot-on;
119				regulator-always-on;
120			};
121
122			ldo2_reg: LDO2 {
123				regulator-name = "LDO2";
124				regulator-min-microvolt = <800000>;
125				regulator-max-microvolt = <900000>;
126				regulator-boot-on;
127				regulator-always-on;
128			};
129
130			ldo3_reg: LDO3 {
131				regulator-name = "LDO3";
132				regulator-min-microvolt = <1800000>;
133				regulator-max-microvolt = <3300000>;
134				regulator-boot-on;
135				regulator-always-on;
136			};
137
138			ldo4_reg: LDO4 {
139				regulator-name = "LDO4";
140				regulator-min-microvolt = <900000>;
141				regulator-max-microvolt = <1800000>;
142				regulator-boot-on;
143				regulator-always-on;
144			};
145
146			ldo6_reg: LDO6 {
147				regulator-name = "LDO6";
148				regulator-min-microvolt = <900000>;
149				regulator-max-microvolt = <1800000>;
150				regulator-boot-on;
151				regulator-always-on;
152			};
153		};
154	};
155};
156
157&iomuxc {
158	pinctrl_pmic: pmicirq {
159		fsl,pins = <
160			MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x41
161		>;
162	};
163};
164