1 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
2 /*
3 * Copyright (C) STMicroelectronics 2023 - All Rights Reserved
4 * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
5 */
6
7 /dts-v1/;
8
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/regulator/st,stm32mp25-regulator.h>
11 #include "stm32mp257.dtsi"
12 #include "stm32mp25xf.dtsi"
13 #include "stm32mp25-pinctrl.dtsi"
14 #include "stm32mp25xxai-pinctrl.dtsi"
15
16 / {
17 model = "STMicroelectronics STM32MP257F-EV1 Evaluation Board";
18 compatible = "st,stm32mp257f-ev1", "st,stm32mp257";
19
20 aliases {
21 ethernet0 = ðernet2;
22 serial0 = &usart2;
23 serial1 = &usart6;
24 };
25
26 chosen {
27 stdout-path = "serial0:115200n8";
28 };
29
30 memory@80000000 {
31 device_type = "memory";
32 reg = <0x0 0x80000000 0x1 0x0>;
33 };
34
35 reserved-memory {
36 #address-cells = <2>;
37 #size-cells = <2>;
38 ranges;
39
40 fw@80000000 {
41 compatible = "shared-dma-pool";
42 reg = <0x0 0x80000000 0x0 0x4000000>;
43 no-map;
44 };
45 };
46 };
47
48 &arm_wdt {
49 timeout-sec = <32>;
50 status = "okay";
51 };
52
53 ðernet2 {
54 pinctrl-names = "default", "sleep";
55 pinctrl-0 = <ð2_rgmii_pins_a>;
56 pinctrl-1 = <ð2_rgmii_sleep_pins_a>;
57 max-speed = <1000>;
58 phy-handle = <&phy0_eth2>;
59 phy-mode = "rgmii-id";
60 status = "okay";
61
62 mdio {
63 #address-cells = <1>;
64 #size-cells = <0>;
65 compatible = "snps,dwmac-mdio";
66 phy0_eth2: ethernet-phy@1 {
67 compatible = "ethernet-phy-id001c.c916";
68 reg = <1>;
69 reset-assert-us = <10000>;
70 reset-deassert-us = <300>;
71 reset-gpios = <&gpiog 6 GPIO_ACTIVE_LOW>;
72 };
73 };
74 };
75
76 &i2c2 {
77 pinctrl-names = "default", "sleep";
78 pinctrl-0 = <&i2c2_pins_a>;
79 pinctrl-1 = <&i2c2_sleep_pins_a>;
80 i2c-scl-rising-time-ns = <100>;
81 i2c-scl-falling-time-ns = <13>;
82 clock-frequency = <400000>;
83 status = "okay";
84 };
85
86 &i2c8 {
87 pinctrl-names = "default", "sleep";
88 pinctrl-0 = <&i2c8_pins_a>;
89 pinctrl-1 = <&i2c8_sleep_pins_a>;
90 i2c-scl-rising-time-ns = <57>;
91 i2c-scl-falling-time-ns = <7>;
92 clock-frequency = <400000>;
93 status = "disabled";
94 };
95
96 &scmi_regu {
97 scmi_vddio1: regulator@0 {
98 regulator-min-microvolt = <1800000>;
99 regulator-max-microvolt = <3300000>;
100 };
101 scmi_vddcore: regulator@11 {
102 reg = <VOLTD_SCMI_STPMIC2_BUCK2>;
103 regulator-name = "vddcore";
104 };
105 scmi_v1v8: regulator@14 {
106 reg = <VOLTD_SCMI_STPMIC2_BUCK5>;
107 regulator-name = "v1v8";
108 };
109 scmi_v3v3: regulator@16 {
110 reg = <VOLTD_SCMI_STPMIC2_BUCK7>;
111 regulator-name = "v3v3";
112 };
113 scmi_vdd_emmc: regulator@18 {
114 reg = <VOLTD_SCMI_STPMIC2_LDO2>;
115 regulator-name = "vdd_emmc";
116 };
117 scmi_vdd3v3_usb: regulator@20 {
118 reg = <VOLTD_SCMI_STPMIC2_LDO4>;
119 regulator-name = "vdd3v3_usb";
120 };
121 scmi_vdd_sdcard: regulator@23 {
122 reg = <VOLTD_SCMI_STPMIC2_LDO7>;
123 regulator-name = "vdd_sdcard";
124 };
125 };
126
127 &sdmmc1 {
128 pinctrl-names = "default", "opendrain", "sleep";
129 pinctrl-0 = <&sdmmc1_b4_pins_a>;
130 pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
131 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
132 cd-gpios = <&gpiod 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
133 disable-wp;
134 st,neg-edge;
135 bus-width = <4>;
136 vmmc-supply = <&scmi_vdd_sdcard>;
137 vqmmc-supply = <&scmi_vddio1>;
138 status = "okay";
139 };
140
141 &spi3 {
142 pinctrl-names = "default", "sleep";
143 pinctrl-0 = <&spi3_pins_a>;
144 pinctrl-1 = <&spi3_sleep_pins_a>;
145 status = "disabled";
146 };
147
148 &spi8 {
149 pinctrl-names = "default", "sleep";
150 pinctrl-0 = <&spi8_pins_a>;
151 pinctrl-1 = <&spi8_sleep_pins_a>;
152 status = "disabled";
153 };
154
155 &usart2 {
156 pinctrl-names = "default", "idle", "sleep";
157 pinctrl-0 = <&usart2_pins_a>;
158 pinctrl-1 = <&usart2_idle_pins_a>;
159 pinctrl-2 = <&usart2_sleep_pins_a>;
160 status = "okay";
161 };
162
163 &usart6 {
164 pinctrl-names = "default", "idle", "sleep";
165 pinctrl-0 = <&usart6_pins_a>;
166 pinctrl-1 = <&usart6_idle_pins_a>;
167 pinctrl-2 = <&usart6_sleep_pins_a>;
168 uart-has-rtscts;
169 status = "disabled";
170 };
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