1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2015 Jablotron s.r.o. -- https://www.jablotron.com/
4 * Author: Rostislav Lisovy <lisovy@jablotron.cz>
5 */
6 /dts-v1/;
7 #include "am335x-chilisom.dtsi"
8
9 / {
10 model = "AM335x Chiliboard";
11 compatible = "grinn,am335x-chiliboard", "grinn,am335x-chilisom",
12 "ti,am33xx";
13
14 chosen {
15 stdout-path = &uart0;
16 };
17
18 leds {
19 compatible = "gpio-leds";
20 pinctrl-names = "default";
21 pinctrl-0 = <&led_gpio_pins>;
22
23 led0 {
24 label = "led0";
25 gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
26 default-state = "keep";
27 linux,default-trigger = "heartbeat";
28 };
29
30 led1 {
31 label = "led1";
32 gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
33 default-state = "keep";
34 };
35 };
36 };
37
38 &am33xx_pinmux {
39 uart0_pins: uart0-pins {
40 pinctrl-single,pins = <
41 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
42 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
43 >;
44 };
45
46 cpsw_default: cpsw-default-pins {
47 pinctrl-single,pins = <
48 /* Slave 1 */
49 AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE1)
50 AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE1)
51 AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
52 AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
53 AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
54 AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE1)
55 AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE1)
56 AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE0)
57 >;
58 };
59
60 cpsw_sleep: cpsw-sleep-pins {
61 pinctrl-single,pins = <
62 /* Slave 1 reset value */
63 AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE7)
64 AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLDOWN, MUX_MODE7)
65 AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_INPUT_PULLDOWN, MUX_MODE7)
66 AM33XX_PADCONF(AM335X_PIN_MII1_RX_DV, PIN_INPUT_PULLDOWN, MUX_MODE7)
67 AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
68 AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
69 AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLDOWN, MUX_MODE7)
70 AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLDOWN, MUX_MODE7)
71 AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE7)
72 >;
73 };
74
75 davinci_mdio_default: davinci-mdio-default-pins {
76 pinctrl-single,pins = <
77 /* mdio_data.mdio_data */
78 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
79 /* mdio_clk.mdio_clk */
80 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
81 >;
82 };
83
84 davinci_mdio_sleep: davinci-mdio-sleep-pins {
85 pinctrl-single,pins = <
86 /* MDIO reset value */
87 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
88 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
89 >;
90 };
91
92 usb1_drvvbus: usb1-drvvbus-pins {
93 pinctrl-single,pins = <
94 AM33XX_PADCONF(AM335X_PIN_USB1_DRVVBUS, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
95 >;
96 };
97
98 sd_pins: sd-card-pins {
99 pinctrl-single,pins = <
100 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT, MUX_MODE0)
101 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT, MUX_MODE0)
102 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT, MUX_MODE0)
103 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT, MUX_MODE0)
104 AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT, MUX_MODE0)
105 AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT, MUX_MODE0)
106 AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE7) /* spi0_cs1.gpio0_6 */
107 >;
108 };
109
110 led_gpio_pins: led-gpio-pins {
111 pinctrl-single,pins = <
112 AM33XX_PADCONF(AM335X_PIN_EMU0, PIN_OUTPUT, MUX_MODE7) /* emu0.gpio3_7 */
113 AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_OUTPUT, MUX_MODE7) /* emu1.gpio3_8 */
114 >;
115 };
116 };
117
118 &uart0 {
119 pinctrl-names = "default";
120 pinctrl-0 = <&uart0_pins>;
121
122 status = "okay";
123 };
124
125 &ldo4_reg {
126 regulator-min-microvolt = <3300000>;
127 regulator-max-microvolt = <3300000>;
128 };
129
130 /* Ethernet */
131 &mac_sw {
132 pinctrl-names = "default", "sleep";
133 pinctrl-0 = <&cpsw_default>;
134 pinctrl-1 = <&cpsw_sleep>;
135 status = "okay";
136 };
137
138 &davinci_mdio_sw {
139 pinctrl-names = "default", "sleep";
140 pinctrl-0 = <&davinci_mdio_default>;
141 pinctrl-1 = <&davinci_mdio_sleep>;
142
143 ethphy0: ethernet-phy@0 {
144 reg = <0>;
145 };
146 };
147
148 &cpsw_port1 {
149 phy-handle = <ðphy0>;
150 phy-mode = "rmii";
151 ti,dual-emac-pvid = <1>;
152 };
153
154 &cpsw_port2 {
155 status = "disabled";
156 };
157
158 /* USB */
159 &usb1 {
160 pinctrl-names = "default";
161 pinctrl-0 = <&usb1_drvvbus>;
162 dr_mode = "host";
163 };
164
165 /* microSD */
166 &mmc1 {
167 pinctrl-names = "default";
168 pinctrl-0 = <&sd_pins>;
169 vmmc-supply = <&ldo4_reg>;
170 bus-width = <0x4>;
171 cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
172 status = "okay";
173 };
174
175 &tps {
176 interrupt-parent = <&intc>;
177 interrupts = <7>; /* NNMI */
178
179 charger {
180 status = "okay";
181 };
182
183 pwrbutton {
184 status = "okay";
185 };
186 };
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