am335x-tqma335x.dtsi

  1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (c) 2014-2025 TQ-Systems GmbH <linux@ew.tq-group.com>, D-82229 Seefeld, Germany.
  4 * Authors: Gregor Herburger, Matthias Schiffer
  5 *
  6 * Based on:
  7 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
  8 */
  9
 10#include <dt-bindings/interrupt-controller/irq.h>
 11#include "am33xx.dtsi"
 12
 13/ {
 14	compatible = "tq,tqma3359", "ti,am33xx";
 15
 16	aliases {
 17		mmc0 = &mmc2;
 18		mmc1 = &mmc1;
 19		/delete-property/ mmc2;
 20		rtc0 = &tps;
 21		rtc1 = &ds1339;
 22		rtc2 = &rtc;
 23	};
 24
 25	memory@80000000 {
 26		device_type = "memory";
 27		reg = <0x80000000 0x10000000>; /* 256 MB */
 28	};
 29
 30	/* SOM input voltage */
 31	vcc3v3in: regulator-vcc3v3in {
 32		compatible = "regulator-fixed";
 33		regulator-name = "VCC3V3IN";
 34		regulator-min-microvolt = <3300000>;
 35		regulator-max-microvolt = <3300000>;
 36		regulator-boot-on;
 37	};
 38
 39	/*
 40	 * Regulator is enabled by PMIC power sequence. The supplied voltage
 41	 * rail is also usable on baseboard.
 42	 */
 43	vddshv: regulator-vddshv {
 44		compatible = "regulator-fixed";
 45		regulator-name = "VDDSHV";
 46		regulator-min-microvolt = <3300000>;
 47		regulator-max-microvolt = <3300000>;
 48		regulator-boot-on;
 49		vin-supply = <&vcc3v3in>;
 50	};
 51};
 52
 53&am33xx_pinmux {
 54	i2c0_pins: i2c0-pins {
 55		pinctrl-single,pins = <
 56			/* i2c0_sda.i2c0_sda */
 57			AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
 58			/* i2c0_scl.i2c0_scl */
 59			AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
 60		>;
 61	};
 62
 63	mmc2_pins: mmc2-pins {
 64		pinctrl-single,pins = <
 65			/* gpmc_ad0.mmc1_dat0 */
 66			AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 67			/* gpmc_ad1.mmc1_dat1 */
 68			AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 69			/* gpmc_ad2.mmc1_dat2 */
 70			AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 71			/* gpmc_ad3.mmc1_dat3 */
 72			AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 73			/* gpmc_ad4.mmc1_dat4 */
 74			AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 75			/* gpmc_ad5.mmc1_dat5 */
 76			AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 77			/* gpmc_ad6.mmc1_dat6 */
 78			AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 79			/* gpmc_ad7.mmc1_dat7 */
 80			AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE1)
 81			/* gpmc_csn1.mmc1_clk */
 82			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)
 83			/* gpmc_csn2.mmc1_cmd */
 84			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, SLEWCTRL_SLOW | PIN_INPUT_PULLUP, MUX_MODE2)
 85		>;
 86	};
 87
 88	spi0_pins: spi0-pins {
 89		pinctrl-single,pins = <
 90			/* spi0_sclk.spi0_sclk */
 91			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE0)
 92			/* spi0_d0.spi0_d0 */
 93			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLDOWN, MUX_MODE0)
 94			/* spi0_d1.spi0_d1 */
 95			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_OUTPUT, MUX_MODE0)
 96			/* spi0_cs0.spi0_cs0 */
 97			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_OUTPUT, MUX_MODE0)
 98		>;
 99	};
100};
101
102&cpu {
103	cpu0-supply = <&vdd1_reg>;
104};
105
106&elm {
107	status = "okay";
108};
109
110&i2c0 {
111	pinctrl-names = "default";
112	pinctrl-0 = <&i2c0_pins>;
113	clock-frequency = <100000>;
114	status = "okay";
115
116	/* optional, not on TQMa335xL */
117	jc42_1: temperature-sensor@1f {
118		compatible = "nxp,se97b", "jedec,jc-42.4-temp";
119		reg = <0x1f>;
120	};
121
122	tps: pmic@2d {
123		reg = <0x2d>;
124		ti,en-ck32k-xtal;
125		/* Filled in by tps65910.dtsi */
126	};
127
128	/* optional, not on TQMa335xL */
129	eeprom: eeprom@50 {
130		compatible = "st,24c64", "atmel,24c64";
131		reg = <0x50>;
132		pagesize = <32>;
133		vcc-supply = <&vddshv>;
134	};
135
136	/* optional, not on TQMa335xL */
137	se97btp: eeprom@57 {
138		compatible = "nxp,se97b", "atmel,24c02";
139		reg = <0x57>;
140		pagesize = <16>;
141		vcc-supply = <&vddshv>;
142	};
143
144	/* optional, not on TQMa335xL */
145	ds1339: rtc@68 {
146		compatible = "dallas,ds1339";
147		reg = <0x68>;
148	};
149};
150
151#include "../../tps65910.dtsi"
152
153&mmc2 {
154	pinctrl-names = "default";
155	pinctrl-0 = <&mmc2_pins>;
156	bus-width = <8>;
157	no-1-8-v;
158	no-sd;
159	no-sdio;
160	vmmc-supply = <&vddshv>;
161	non-removable;
162	status = "okay";
163};
164
165&rtc {
166	status = "disabled";
167};
168
169&tps {
170	vcc1-supply = <&vcc3v3in>;
171	vcc2-supply = <&vcc3v3in>;
172	vcc3-supply = <&vcc3v3in>;
173	vcc4-supply = <&vcc3v3in>;
174	vcc5-supply = <&vcc3v3in>;
175	vcc6-supply = <&vcc3v3in>;
176	vcc7-supply = <&vcc3v3in>;
177	vccio-supply = <&vcc3v3in>;
178};
179
180/* TPS outputs */
181&vrtc_reg {
182	regulator-always-on;
183};
184
185&vio_reg {
186	regulator-always-on;
187};
188
189&vdd1_reg {
190	regulator-name = "vdd_mpu";
191	regulator-min-microvolt = <600000>;
192	regulator-max-microvolt = <1500000>;
193	regulator-boot-on;
194	regulator-always-on;
195};
196
197&vdd2_reg {
198	regulator-name = "vdd_core";
199	regulator-min-microvolt = <600000>;
200	regulator-max-microvolt = <1500000>;
201	regulator-boot-on;
202	regulator-always-on;
203};
204
205&vdd3_reg {
206	regulator-always-on;
207};
208
209&vdig1_reg {
210	regulator-always-on;
211};
212
213&vdig2_reg {
214	regulator-always-on;
215};
216
217&vpll_reg {
218	regulator-always-on;
219};
220
221&vdac_reg {
222	regulator-always-on;
223};
224
225&vaux1_reg {
226	regulator-always-on;
227};
228
229&vaux2_reg {
230	regulator-always-on;
231};
232
233&vaux33_reg {
234	regulator-always-on;
235};
236
237&vmmc_reg {
238	regulator-always-on;
239};
240
241&spi0 {
242	pinctrl-names = "default";
243	pinctrl-0 = <&spi0_pins>;
244	status = "okay";
245
246	flash@0 {
247		compatible = "jedec,spi-nor";
248		reg = <0x0>;
249		spi-max-frequency = <24000000>;
250		vcc-supply = <&vddshv>;
251
252		partitions {
253			compatible = "fixed-partitions";
254			#address-cells = <1>;
255			#size-cells = <1>;
256		};
257	};
258};
259
260&usb0_phy {
261	vcc-supply = <&vaux1_reg>;
262};
263
264&usb1_phy {
265	vcc-supply = <&vaux1_reg>;
266};
267
268&wkup_m3_ipc {
269	firmware-name = "am335x-evm-scale-data.bin";
270};