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666b5ca85c
The Linux Automation MC-1 is a SBC built around the Octavo Systems OSD32MP15x SiP. The SiP features up to 1 GB DDR3 RAM, EEPROM and a PMIC. The board has eMMC and a SD slot for storage and GbE for both connectivity and power. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
231 lines
4.9 KiB
Plaintext
231 lines
4.9 KiB
Plaintext
/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
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/*
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* Copyright (C) 2020 STMicroelectronics - All Rights Reserved
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* Copyright (C) 2020 Ahmad Fatoum, Pengutronix
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*/
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#include "stm32mp15-pinctrl.dtsi"
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#include <dt-bindings/mfd/st,stpmic1.h>
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/ {
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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mcuram2: mcuram2@10000000 {
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compatible = "shared-dma-pool";
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reg = <0x10000000 0x40000>;
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no-map;
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};
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vdev0vring0: vdev0vring0@10040000 {
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compatible = "shared-dma-pool";
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reg = <0x10040000 0x1000>;
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no-map;
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};
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vdev0vring1: vdev0vring1@10041000 {
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compatible = "shared-dma-pool";
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reg = <0x10041000 0x1000>;
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no-map;
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};
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vdev0buffer: vdev0buffer@10042000 {
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compatible = "shared-dma-pool";
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reg = <0x10042000 0x4000>;
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no-map;
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};
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mcuram: mcuram@30000000 {
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compatible = "shared-dma-pool";
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reg = <0x30000000 0x40000>;
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no-map;
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};
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retram: retram@38000000 {
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compatible = "shared-dma-pool";
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reg = <0x38000000 0x10000>;
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no-map;
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};
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};
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reg_sip_eeprom: regulator_eeprom {
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compatible = "regulator-fixed";
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regulator-name = "sip_eeprom";
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regulator-always-on;
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};
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};
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&i2c4 {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&i2c4_pins_a>;
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pinctrl-1 = <&i2c4_sleep_pins_a>;
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clock-frequency = <400000>;
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i2c-scl-rising-time-ns = <185>;
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i2c-scl-falling-time-ns = <20>;
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status = "okay";
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pmic: stpmic@33 {
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compatible = "st,stpmic1";
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reg = <0x33>;
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interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
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interrupt-controller;
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#interrupt-cells = <2>;
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regulators {
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compatible = "st,stpmic1-regulators";
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ldo1-supply = <&v3v3>;
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ldo6-supply = <&v3v3>;
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pwr_sw1-supply = <&bst_out>;
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vddcore: buck1 {
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regulator-name = "vddcore";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-initial-mode = <0>;
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regulator-over-current-protection;
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};
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vdd_ddr: buck2 {
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regulator-name = "vdd_ddr";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-initial-mode = <0>;
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regulator-over-current-protection;
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};
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vdd: buck3 {
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regulator-name = "vdd";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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st,mask-reset;
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regulator-initial-mode = <0>;
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regulator-over-current-protection;
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};
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v3v3: buck4 {
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regulator-name = "v3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-over-current-protection;
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regulator-initial-mode = <0>;
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};
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v1v8_audio: ldo1 {
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regulator-name = "v1v8_audio";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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interrupts = <IT_CURLIM_LDO1 0>;
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};
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v3v3_hdmi: ldo2 {
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regulator-name = "v3v3_hdmi";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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interrupts = <IT_CURLIM_LDO2 0>;
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};
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vtt_ddr: ldo3 {
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regulator-name = "vtt_ddr";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <750000>;
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regulator-always-on;
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regulator-over-current-protection;
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};
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vdd_usb: ldo4 {
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regulator-name = "vdd_usb";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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interrupts = <IT_CURLIM_LDO4 0>;
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};
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vdda: ldo5 {
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regulator-name = "vdda";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <2900000>;
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interrupts = <IT_CURLIM_LDO5 0>;
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regulator-boot-on;
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};
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v1v2_hdmi: ldo6 {
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regulator-name = "v1v2_hdmi";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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interrupts = <IT_CURLIM_LDO6 0>;
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};
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vref_ddr: vref_ddr {
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regulator-name = "vref_ddr";
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regulator-always-on;
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regulator-over-current-protection;
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};
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bst_out: boost {
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regulator-name = "bst_out";
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interrupts = <IT_OCP_BOOST 0>;
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};
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vbus_otg: pwr_sw1 {
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regulator-name = "vbus_otg";
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interrupts = <IT_OCP_OTG 0>;
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regulator-active-discharge;
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};
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vbus_sw: pwr_sw2 {
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regulator-name = "vbus_sw";
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interrupts = <IT_OCP_SWOUT 0>;
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regulator-active-discharge;
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};
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};
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onkey {
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compatible = "st,stpmic1-onkey";
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interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
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interrupt-names = "onkey-falling", "onkey-rising";
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};
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pmic_watchdog: watchdog {
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compatible = "st,stpmic1-wdt";
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status = "disabled";
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};
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};
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sip_eeprom: eeprom@50 {
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compatible = "atmel,24c32";
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vcc-supply = <®_sip_eeprom>;
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reg = <0x50>;
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};
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};
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&ipcc {
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status = "okay";
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};
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&m4_rproc {
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memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
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<&vdev0vring1>, <&vdev0buffer>;
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mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
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mbox-names = "vq0", "vq1", "shutdown";
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interrupt-parent = <&exti>;
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interrupts = <68 1>;
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status = "okay";
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};
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&rng1 {
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status = "okay";
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};
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