xref: /linux/arch/arm/boot/dts/ti/omap/am335x-regor.dtsi (revision 566ab427f827b0256d3e8ce0235d088e6a9c28bd)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2019 Phytec Messtechnik GmbH
4 * Author: Teresa Remmet <t.remmet@phytec.de>
5 *
6 */
7
8#include <dt-bindings/gpio/gpio.h>
9#include <dt-bindings/pinctrl/am33xx.h>
10
11/ {
12	model = "Phytec AM335x phyBOARD-REGOR";
13	compatible = "phytec,am335x-regor", "phytec,am335x-phycore-som", "ti,am33xx";
14
15	vcc3v3: fixedregulator@1 {
16		compatible = "regulator-fixed";
17		regulator-name = "vcc3v3";
18		regulator-min-microvolt = <3300000>;
19		regulator-max-microvolt = <3300000>;
20		regulator-boot-on;
21	};
22
23	/* User IO */
24	user_leds: user-leds {
25		compatible = "gpio-leds";
26		pinctrl-names = "default";
27		pinctrl-0 = <&user_leds_pins>;
28
29		run_stop-led {
30			gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
31			linux,default-trigger = "gpio";
32			default-state = "off";
33		};
34
35		error-led {
36			gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
37			linux,default-trigger = "gpio";
38			default-state = "off";
39		};
40	};
41};
42
43/* User Leds */
44&am33xx_pinmux {
45	user_leds_pins: pinmux-user-leds-pins {
46		pinctrl-single,pins = <
47			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* lcd_hsync.gpio2_22 */
48			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSX, PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* mcasp0_fsx.gpio3_15 */
49		>;
50	};
51};
52
53/* CAN Busses */
54&am33xx_pinmux {
55	dcan1_pins: pinmux-dcan1-pins {
56		pinctrl-single,pins = <
57			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLUP, MUX_MODE2)	/* uart0_ctsn.d_can1_tx */
58			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE2)	/* uart0_rtsn.d_can1_rx */
59		>;
60	};
61};
62
63&dcan1 {
64	pinctrl-names = "default";
65	pinctrl-0 = <&dcan1_pins>;
66	status = "okay";
67};
68
69/* Ethernet */
70&am33xx_pinmux {
71	ethernet1_pins: pinmux-ethernet1-pins {
72		pinctrl-single,pins = <
73			AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a0.mii2_txen */
74			AM33XX_PADCONF(AM335X_PIN_GPMC_A1, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a1.mii2_rxdv */
75			AM33XX_PADCONF(AM335X_PIN_GPMC_A2, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a2.mii2_txd3 */
76			AM33XX_PADCONF(AM335X_PIN_GPMC_A3, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a3.mii2_txd2 */
77			AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a4.mii2_txd1 */
78			AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT, MUX_MODE1)		/* gpmc_a5.mii2_txd0 */
79			AM33XX_PADCONF(AM335X_PIN_GPMC_A6, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a6.mii2_txclk */
80			AM33XX_PADCONF(AM335X_PIN_GPMC_A7, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a7.mii2_rxclk */
81			AM33XX_PADCONF(AM335X_PIN_GPMC_A8, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a8.mii2_rxd3 */
82			AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_INPUT_PULLDOWN, MUX_MODE1)	 /* gpmc_a9.mii2_rxd2 */
83			AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a10.mii2_rxd1 */
84			AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_a11.mii2_rxd0 */
85			AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_wpn.mii2_rxerr */
86			AM33XX_PADCONF(AM335X_PIN_GPMC_BEN1, PIN_INPUT_PULLDOWN, MUX_MODE1)	/* gpmc_ben1.mii2_col */
87		>;
88	};
89};
90
91&cpsw_port2 {
92	status = "okay";
93	phy-handle = <&phy1>;
94	phy-mode = "mii";
95	ti,dual-emac-pvid = <2>;
96};
97
98&davinci_mdio_sw {
99	phy1: ethernet-phy@1 {
100		reg = <1>;
101	};
102};
103
104&mac_sw {
105	pinctrl-names = "default";
106	pinctrl-0 = <&ethernet0_pins &ethernet1_pins>;
107};
108
109/* GPIOs */
110&am33xx_pinmux {
111	pinctrl-names = "default";
112	pinctrl-0 = <&user_gpios_pins>;
113
114	user_gpios_pins: pinmux-user-gpios-pins {
115		pinctrl-single,pins = <
116			/* DIGIN 1-4 */
117			AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT, MUX_MODE7)		/* gpmc_ad11.gpio0_27 */
118			AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT, MUX_MODE7)		/* gpmc_ad10.gpio0_26 */
119			AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT, MUX_MODE7)		/* gpmc_ad9.gpio0_23 */
120			AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT, MUX_MODE7)		/* gpmc_ad8.gpio0_22 */
121			/* DIGOUT 1-4 */
122			AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad15.gpio1_15 */
123			AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad14.gpio1_14 */
124			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad13.gpio1_13 */
125			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_OUTPUT, MUX_MODE7)		/* gpmc_ad12.gpio1_12 */
126		>;
127	};
128};
129
130/* MMC */
131&am33xx_pinmux {
132	mmc1_pins: pinmux-mmc1-pins {
133		pinctrl-single,pins = <
134			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
135			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
136			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
137			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
138			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
139			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
140			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT_PULLUP, MUX_MODE7)	/* spi0_cs1.mmc0_sdcd */
141		>;
142	};
143};
144
145&mmc1 {
146	vmmc-supply = <&vcc3v3>;
147	bus-width = <4>;
148	pinctrl-names = "default";
149	pinctrl-0 = <&mmc1_pins>;
150	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
151	status = "okay";
152};
153
154/* RTC */
155&i2c_rtc {
156	status = "okay";
157};
158
159/* UARTs */
160&am33xx_pinmux {
161	uart0_pins: pinmux-uart0-pins {
162		pinctrl-single,pins = <
163			AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
164			AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
165		>;
166	};
167
168	uart2_pins: pinmux-uart2-pins {
169		pinctrl-single,pins = <
170			AM33XX_PADCONF(AM335X_PIN_MII1_TX_CLK, PIN_INPUT_PULLUP, MUX_MODE1)	/* mii1_tx_clk.uart2_rxd */
171			AM33XX_PADCONF(AM335X_PIN_MII1_RX_CLK, PIN_OUTPUT_PULLDOWN, MUX_MODE1)	/* mii1_rx_clk.uart2_txd */
172		>;
173	};
174};
175
176&uart0 {
177	pinctrl-names = "default";
178	pinctrl-0 = <&uart0_pins>;
179	status = "okay";
180};
181
182&uart2 {
183	pinctrl-names = "default";
184	pinctrl-0 = <&uart2_pins>;
185	status = "okay";
186};
187
188/* RS485 - UART1 */
189&am33xx_pinmux {
190	uart1_rs485_pins: pinmux-uart1-rs485-pins {
191		pinctrl-single,pins = <
192			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
193			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
194			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
195		>;
196	};
197};
198
199&uart1 {
200	pinctrl-names = "default";
201	pinctrl-0 = <&uart1_rs485_pins>;
202	status = "okay";
203	linux,rs485-enabled-at-boot-time;
204	/*
205	 * un-intuitively, yet with the default (active-high),
206	 * am335x RTS is high on idle and gets low on active !
207	 */
208	rs485-rts-active-low;
209};
210