1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) 2024 Josua Mayer <josua@solid-run.com>
4 *
5 */
6
7 #include <dt-bindings/gpio/gpio.h>
8
9 / {
10 model = "SolidRun CN9130 SoM";
11 compatible = "solidrun,cn9130-sr-som", "marvell,cn9130";
12
13 aliases {
14 ethernet0 = &cp0_eth0;
15 ethernet1 = &cp0_eth1;
16 ethernet2 = &cp0_eth2;
17 i2c0 = &cp0_i2c0;
18 mmc0 = &ap_sdhci0;
19 rtc0 = &cp0_rtc;
20 };
21
22 chosen {
23 stdout-path = "serial0:115200n8";
24 };
25
26 v_1_8: regulator-1-8 {
27 compatible = "regulator-fixed";
28 regulator-name = "1v8";
29 regulator-min-microvolt = <1800000>;
30 regulator-max-microvolt = <1800000>;
31 };
32
33 /* requires assembly of R9307 */
34 vhv: regulator-vhv-1-8 {
35 compatible = "regulator-fixed";
36 regulator-name = "vhv-1v8";
37 regulator-min-microvolt = <1800000>;
38 regulator-max-microvolt = <1800000>;
39 pinctrl-0 = <&cp0_reg_vhv_pins>;
40 pinctrl-names = "default";
41 gpios = <&cp0_gpio2 9 GPIO_ACTIVE_HIGH>;
42 enable-active-high;
43 };
44 };
45
46 &ap_pinctrl {
47 ap_mmc0_pins: ap-mmc0-pins {
48 marvell,pins = "mpp0", "mpp1", "mpp2", "mpp3", "mpp4", "mpp5",
49 "mpp6", "mpp7", "mpp8", "mpp9", "mpp10", "mpp12";
50 marvell,function = "sdio";
51 /*
52 * mpp12 is emmc reset, function should be sdio (hw_rst),
53 * but pinctrl-mvebu does not support this.
54 *
55 * From pinctrl-mvebu.h:
56 * "The name will be used to switch to this setting in DT description, e.g.
57 * marvell,function = "uart2". subname is only for debugging purposes."
58 */
59 };
60 };
61
62 &ap_sdhci0 {
63 bus-width = <8>;
64 pinctrl-0 = <&ap_mmc0_pins>;
65 pinctrl-names = "default";
66 vqmmc-supply = <&v_1_8>;
67 status = "okay";
68 };
69
70 &cp0_ethernet {
71 status = "okay";
72 };
73
74 /* for assembly with phy */
75 &cp0_eth2 {
76 pinctrl-names = "default";
77 pinctrl-0 = <&cp0_eth2_pins>;
78 phy-mode = "rgmii-id";
79 phy = <&cp0_eth2_phy>;
80 status = "okay";
81 };
82
83 &cp0_i2c0 {
84 pinctrl-names = "default";
85 pinctrl-0 = <&cp0_i2c0_pins>;
86 clock-frequency = <100000>;
87 status = "okay";
88
89 som_eeprom: eeprom@53 {
90 compatible = "atmel,24c02";
91 reg = <0x53>;
92 pagesize = <8>;
93 };
94 };
95
96 &cp0_mdio {
97 pinctrl-0 = <&cp0_mdio_pins>;
98 status = "okay";
99
100 /* assembly option */
101 cp0_eth2_phy: ethernet-phy@0 {
102 reg = <0>;
103 };
104 };
105
106 &cp0_spi1 {
107 status = "okay";
108 pinctrl-names = "default";
109 pinctrl-0 = <&cp0_spi1_pins>;
110 /* max speed limited by a mux */
111 spi-max-frequency = <1800000000>;
112
113 flash@0 {
114 compatible = "jedec,spi-nor";
115 reg = <0>;
116 /* read command supports max. 50MHz */
117 spi-max-frequency = <50000000>;
118 };
119 };
120
121 &cp0_syscon0 {
122 cp0_pinctrl: pinctrl {
123 compatible = "marvell,cp115-standalone-pinctrl";
124
125 cp0_eth2_pins: cp0-ge2-rgmii-pins {
126 marvell,pins = "mpp44", "mpp45", "mpp46", "mpp47",
127 "mpp48", "mpp49", "mpp50", "mpp51",
128 "mpp52", "mpp53", "mpp54", "mpp55";
129 /* docs call it "ge2", but cp110-pinctrl "ge1" */
130 marvell,function = "ge1";
131 };
132
133 cp0_i2c0_pins: cp0-i2c0-pins {
134 marvell,pins = "mpp37", "mpp38";
135 marvell,function = "i2c0";
136 };
137
138 cp0_mdio_pins: cp0-mdio-pins {
139 marvell,pins = "mpp0", "mpp1";
140 marvell,function = "ge";
141 };
142
143 cp0_spi1_pins: cp0-spi1-pins {
144 marvell,pins = "mpp13", "mpp14", "mpp15", "mpp16";
145 marvell,function = "spi1";
146 };
147
148 cp0_reg_vhv_pins: cp0-reg-vhv-pins {
149 marvell,pins = "mpp41";
150 marvell,function = "gpio";
151 };
152 };
153 };
154
155 /* AP default console */
156 &uart0 {
157 pinctrl-0 = <&uart0_pins>;
158 pinctrl-names = "default";
159 status = "okay";
160 };
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