1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright 2019-2020 NXP
4 */
5
6 /dts-v1/;
7
8 #include "imx8mm-evk.dtsi"
9
10 / {
11 model = "FSL i.MX8MM EVKB";
12 compatible = "fsl,imx8mm-evkb", "fsl,imx8mm";
13 };
14
15 &i2c1 {
16 /delete-node/ pmic@4b;
17
18 pmic@25 {
19 compatible = "nxp,pca9450a";
20 reg = <0x25>;
21 pinctrl-0 = <&pinctrl_pmic>;
22 pinctrl-names = "default";
23 interrupt-parent = <&gpio1>;
24 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
25
26 regulators {
27 /* VDD_SOC with PCIe */
28 buck1_reg: BUCK1 {
29 regulator-name = "BUCK1";
30 regulator-min-microvolt = <850000>;
31 regulator-max-microvolt = <850000>;
32 regulator-boot-on;
33 regulator-always-on;
34 regulator-ramp-delay = <3125>;
35 };
36
37 /* VDD_ARM */
38 buck2_reg: BUCK2 {
39 regulator-name = "BUCK2";
40 regulator-min-microvolt = <850000>;
41 regulator-max-microvolt = <1000000>;
42 regulator-boot-on;
43 regulator-always-on;
44 regulator-ramp-delay = <3125>;
45 nxp,dvs-standby-voltage = <850000>;
46 };
47
48 /* VDD_GPU, VDD_VPU, VDD_DRAM */
49 buck3_reg: BUCK3 {
50 regulator-name = "BUCK3";
51 regulator-min-microvolt = <850000>;
52 regulator-max-microvolt = <1000000>;
53 regulator-boot-on;
54 regulator-always-on;
55 };
56
57 /* NVCC_3V3 */
58 buck4_reg: BUCK4 {
59 regulator-name = "BUCK4";
60 regulator-min-microvolt = <3300000>;
61 regulator-max-microvolt = <3300000>;
62 regulator-boot-on;
63 regulator-always-on;
64 };
65
66 /* VDD_1V8, NVCC_1V8, NVCC_ENET */
67 buck5_reg: BUCK5 {
68 regulator-name = "BUCK5";
69 regulator-min-microvolt = <1800000>;
70 regulator-max-microvolt = <1800000>;
71 regulator-boot-on;
72 regulator-always-on;
73 };
74
75 /* NVCC_DRAM for LPDDR4 */
76 buck6_reg: BUCK6 {
77 regulator-name = "BUCK6";
78 regulator-min-microvolt = <1100000>;
79 regulator-max-microvolt = <1100000>;
80 regulator-boot-on;
81 regulator-always-on;
82 };
83
84 /* NVCC_SNVS_1P8 */
85 ldo1_reg: LDO1 {
86 regulator-name = "LDO1";
87 regulator-min-microvolt = <1800000>;
88 regulator-max-microvolt = <1800000>;
89 regulator-boot-on;
90 regulator-always-on;
91 };
92
93 /* VDD_SNVS_0P8 */
94 ldo2_reg: LDO2 {
95 regulator-name = "LDO2";
96 regulator-min-microvolt = <800000>;
97 regulator-max-microvolt = <800000>;
98 regulator-boot-on;
99 regulator-always-on;
100 };
101
102 /* VDD_*_1V8 */
103 ldo3_reg: LDO3 {
104 regulator-name = "LDO3";
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <1800000>;
107 regulator-boot-on;
108 regulator-always-on;
109 };
110
111 /* VDD_PHY_0V9 */
112 ldo4_reg: LDO4 {
113 regulator-name = "LDO4";
114 regulator-min-microvolt = <900000>;
115 regulator-max-microvolt = <900000>;
116 regulator-boot-on;
117 regulator-always-on;
118 };
119
120 /* NVCC_SD2 */
121 ldo5_reg: LDO5 {
122 regulator-name = "LDO5";
123 regulator-min-microvolt = <1800000>;
124 regulator-max-microvolt = <3300000>;
125 };
126 };
127 };
128 };
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