1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2018 MOXA Inc. - https://www.moxa.com/
4 *
5 * Authors: SZ Lin (林上智) <sz.lin@moxa.com>
6 * Wes Huang (黃淵河) <wes.huang@moxa.com>
7 * Fero JD Zhou (周俊達) <FeroJD.Zhou@moxa.com>
8 */
9
10 #include "am33xx.dtsi"
11
12 / {
13 vbat: vbat-regulator {
14 compatible = "regulator-fixed";
15 };
16
17 /* Power supply provides a fixed 3.3V @3A */
18 vmmcsd_fixed: vmmcsd-regulator {
19 compatible = "regulator-fixed";
20 regulator-name = "vmmcsd_fixed";
21 regulator-min-microvolt = <3300000>;
22 regulator-max-microvolt = <3300000>;
23 regulator-boot-on;
24 };
25
26 buttons: push_button {
27 compatible = "gpio-keys";
28 };
29 };
30
31 &am33xx_pinmux {
32 pinctrl-names = "default";
33
34 i2c0_pins: i2c0-pins {
35 pinctrl-single,pins = <
36 AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
37 AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
38 >;
39 };
40
41 push_button_pins: push-button-pins {
42 pinctrl-single,pins = <
43 AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_hsync.gpio2_23 */
44 >;
45 };
46
47 uart0_pins: uart0-pins {
48 pinctrl-single,pins = <
49 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
50 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
51 >;
52 };
53
54 davinci_mdio_default: davinci-mdio-default-pins {
55 pinctrl-single,pins = <
56 /* MDIO */
57 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
58 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
59 >;
60 };
61
62 mmc1_pins_default: mmc1-pins {
63 pinctrl-single,pins = <
64 /* eMMC */
65 AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad12.mmc1_dat0 */
66 AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad13.mmc1_dat1 */
67 AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad14.mmc1_dat2 */
68 AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad15.mmc1_dat3 */
69 AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad8.mmc1_dat4 */
70 AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad9.mmc1_dat5 */
71 AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad10.mmc1_dat6 */
72 AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1) /* gpmc_ad11.mmc1_dat7 */
73 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
74 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2) /* gpmc_csn1.mmc1_clk */
75 >;
76 };
77
78 spi0_pins: spi0-pins {
79 pinctrl-single,pins = <
80 AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
81 AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
82 AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
83 AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
84 >;
85 };
86 };
87
88 &uart0 {
89 /* Console */
90 status = "okay";
91 pinctrl-names = "default";
92 pinctrl-0 = <&uart0_pins>;
93 };
94
95 &i2c0 {
96 pinctrl-names = "default";
97 pinctrl-0 = <&i2c0_pins>;
98
99 status = "okay";
100 clock-frequency = <400000>;
101
102 eeprom: eeprom@50 {
103 compatible = "atmel,24c16";
104 pagesize = <16>;
105 reg = <0x50>;
106 };
107
108 rtc_wdt: rtc_wdt@68 {
109 compatible = "dallas,ds1374";
110 reg = <0x68>;
111 };
112 };
113
114 &usb0 {
115 dr_mode = "host";
116 };
117
118 /* Power */
119 &vbat {
120 regulator-name = "vbat";
121 regulator-min-microvolt = <5000000>;
122 regulator-max-microvolt = <5000000>;
123 };
124
125 &mac_sw {
126 pinctrl-names = "default";
127 pinctrl-0 = <&cpsw_default>;
128 status = "okay";
129 };
130
131 &davinci_mdio_sw {
132 pinctrl-names = "default";
133 pinctrl-0 = <&davinci_mdio_default>;
134 status = "okay";
135 };
136
137 &cpsw_port1 {
138 ti,dual-emac-pvid = <1>;
139 };
140
141 &cpsw_port2 {
142 ti,dual-emac-pvid = <2>;
143 };
144
145 &sham {
146 status = "okay";
147 };
148
149 &aes {
150 status = "okay";
151 };
152
153 &gpio0_target {
154 ti,no-reset-on-init;
155 };
156
157 &mmc2 {
158 pinctrl-names = "default";
159 vmmc-supply = <&vmmcsd_fixed>;
160 bus-width = <8>;
161 pinctrl-0 = <&mmc1_pins_default>;
162 non-removable;
163 status = "okay";
164 };
165
166 &buttons {
167 pinctrl-names = "default";
168 pinctrl-0 = <&push_button_pins>;
169
170 button-0 {
171 label = "push_button";
172 linux,code = <0x100>;
173 gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
174 };
175 };
176
177 /* SPI Busses */
178 &spi0 {
179 status = "okay";
180 pinctrl-names = "default";
181 pinctrl-0 = <&spi0_pins>;
182
183 flash@0 {
184 compatible = "mx25l6405d";
185 spi-max-frequency = <40000000>;
186
187 reg = <0>;
188 spi-cpol;
189 spi-cpha;
190
191 partitions {
192 compatible = "fixed-partitions";
193 #address-cells = <1>;
194 #size-cells = <1>;
195
196 /* reg : The partition's offset and size within the mtd bank. */
197 partitions@0 {
198 label = "MLO";
199 reg = <0x0 0x80000>;
200 };
201
202 partitions@1 {
203 label = "U-Boot";
204 reg = <0x80000 0x100000>;
205 };
206
207 partitions@2 {
208 label = "U-Boot Env";
209 reg = <0x180000 0x40000>;
210 };
211 };
212 };
213 };
214
215 &spi1 {
216 status = "okay";
217 pinctrl-names = "default";
218 pinctrl-0 = <&spi1_pins>;
219
220 tpm@0 {
221 compatible = "tcg,tpm_tis-spi";
222 reg = <0>;
223 spi-max-frequency = <500000>;
224 };
225 };
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