1/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
  2/*
  3 * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
  4 * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
  5 */
  6
  7#include "stm32mp15-pinctrl.dtsi"
  8
  9#include <dt-bindings/mfd/st,stpmic1.h>
 10
 11/ {
 12	reserved-memory {
 13		#address-cells = <1>;
 14		#size-cells = <1>;
 15		ranges;
 16
 17		mcuram2: mcuram2@10000000 {
 18			compatible = "shared-dma-pool";
 19			reg = <0x10000000 0x40000>;
 20			no-map;
 21		};
 22
 23		vdev0vring0: vdev0vring0@10040000 {
 24			compatible = "shared-dma-pool";
 25			reg = <0x10040000 0x1000>;
 26			no-map;
 27		};
 28
 29		vdev0vring1: vdev0vring1@10041000 {
 30			compatible = "shared-dma-pool";
 31			reg = <0x10041000 0x1000>;
 32			no-map;
 33		};
 34
 35		vdev0buffer: vdev0buffer@10042000 {
 36			compatible = "shared-dma-pool";
 37			reg = <0x10042000 0x4000>;
 38			no-map;
 39		};
 40
 41		mcuram: mcuram@30000000 {
 42			compatible = "shared-dma-pool";
 43			reg = <0x30000000 0x40000>;
 44			no-map;
 45		};
 46
 47		retram: retram@38000000 {
 48			compatible = "shared-dma-pool";
 49			reg = <0x38000000 0x10000>;
 50			no-map;
 51		};
 52	};
 53};
 54
 55&i2c4 {
 56	pinctrl-names = "default", "sleep";
 57	pinctrl-0 = <&i2c4_pins_a>;
 58	pinctrl-1 = <&i2c4_sleep_pins_a>;
 59	clock-frequency = <400000>;
 60	i2c-scl-rising-time-ns = <185>;
 61	i2c-scl-falling-time-ns = <20>;
 62	status = "okay";
 63
 64	pmic: stpmic@33 {
 65		compatible = "st,stpmic1";
 66		reg = <0x33>;
 67		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
 68		interrupt-controller;
 69		#interrupt-cells = <2>;
 70
 71		regulators {
 72			compatible = "st,stpmic1-regulators";
 73
 74			ldo1-supply = <&v3v3>;
 75			ldo3-supply = <&vdd_ddr>;
 76			ldo6-supply = <&v3v3>;
 77			pwr_sw1-supply = <&bst_out>;
 78
 79			vddcore: buck1 {
 80				regulator-name = "vddcore";
 81				regulator-min-microvolt = <1200000>;
 82				regulator-max-microvolt = <1350000>;
 83				regulator-always-on;
 84				regulator-initial-mode = <0>;
 85				regulator-over-current-protection;
 86			};
 87
 88			vdd_ddr: buck2 {
 89				regulator-name = "vdd_ddr";
 90				regulator-min-microvolt = <1350000>;
 91				regulator-max-microvolt = <1350000>;
 92				regulator-always-on;
 93				regulator-initial-mode = <0>;
 94				regulator-over-current-protection;
 95			};
 96
 97			vdd: buck3 {
 98				regulator-name = "vdd";
 99				regulator-min-microvolt = <3300000>;
100				regulator-max-microvolt = <3300000>;
101				regulator-always-on;
102				st,mask-reset;
103				regulator-initial-mode = <0>;
104				regulator-over-current-protection;
105			};
106
107			v3v3: buck4 {
108				regulator-name = "v3v3";
109				regulator-min-microvolt = <3300000>;
110				regulator-max-microvolt = <3300000>;
111				regulator-always-on;
112				regulator-over-current-protection;
113				regulator-initial-mode = <0>;
114			};
115
116			v1v8_audio: ldo1 {
117				regulator-name = "v1v8_audio";
118				regulator-min-microvolt = <1800000>;
119				regulator-max-microvolt = <1800000>;
120				regulator-always-on;
121				interrupts = <IT_CURLIM_LDO1 0>;
122
123			};
124
125			v3v3_hdmi: ldo2 {
126				regulator-name = "v3v3_hdmi";
127				regulator-min-microvolt = <3300000>;
128				regulator-max-microvolt = <3300000>;
129				regulator-always-on;
130				interrupts = <IT_CURLIM_LDO2 0>;
131
132			};
133
134			vtt_ddr: ldo3 {
135				regulator-name = "vtt_ddr";
136				regulator-min-microvolt = <500000>;
137				regulator-max-microvolt = <750000>;
138				regulator-always-on;
139				regulator-over-current-protection;
140			};
141
142			vdd_usb: ldo4 {
143				regulator-name = "vdd_usb";
144				interrupts = <IT_CURLIM_LDO4 0>;
145			};
146
147			vdda: ldo5 {
148				regulator-name = "vdda";
149				regulator-min-microvolt = <2900000>;
150				regulator-max-microvolt = <2900000>;
151				interrupts = <IT_CURLIM_LDO5 0>;
152				regulator-boot-on;
153			};
154
155			v1v2_hdmi: ldo6 {
156				regulator-name = "v1v2_hdmi";
157				regulator-min-microvolt = <1200000>;
158				regulator-max-microvolt = <1200000>;
159				regulator-always-on;
160				interrupts = <IT_CURLIM_LDO6 0>;
161
162			};
163
164			vref_ddr: vref_ddr {
165				regulator-name = "vref_ddr";
166				regulator-always-on;
167			};
168
169			bst_out: boost {
170				regulator-name = "bst_out";
171				interrupts = <IT_OCP_BOOST 0>;
172			};
173
174			vbus_otg: pwr_sw1 {
175				regulator-name = "vbus_otg";
176				interrupts = <IT_OCP_OTG 0>;
177				regulator-active-discharge = <1>;
178			};
179
180			vbus_sw: pwr_sw2 {
181				regulator-name = "vbus_sw";
182				interrupts = <IT_OCP_SWOUT 0>;
183				regulator-active-discharge = <1>;
184			};
185		};
186
187		onkey {
188			compatible = "st,stpmic1-onkey";
189			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
190			interrupt-names = "onkey-falling", "onkey-rising";
191		};
192
193		pmic_watchdog: watchdog {
194			compatible = "st,stpmic1-wdt";
195			status = "disabled";
196		};
197	};
198
199	sip_eeprom: eeprom@50 {
200		compatible = "atmel,24c32";
201		vcc-supply = <&vdd>;
202		reg = <0x50>;
203	};
204};
205
206&ipcc {
207	status = "okay";
208};
209
210&m4_rproc {
211	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
212			<&vdev0vring1>, <&vdev0buffer>;
213	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
214	mbox-names = "vq0", "vq1", "shutdown";
215	interrupt-parent = <&exti>;
216	interrupts = <68 1>;
217	status = "okay";
218};
219
220&rng1 {
221	status = "okay";
222};