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075b0185b6
Protect configuration registers with a hardware spinlock. If a hwspinlock is defined in the device-tree node used it to be sure that none of the others processors on the SoC could change the configuration at the same time. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
386 lines
8.2 KiB
Text
386 lines
8.2 KiB
Text
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/*
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* Copyright (C) STMicroelectronics 2017 - All Rights Reserved
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* Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
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*/
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/dts-v1/;
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#include "stm32mp157c.dtsi"
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#include "stm32mp157-pinctrl.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/mfd/st,stpmu1.h>
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/ {
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model = "STMicroelectronics STM32MP157C eval daughter";
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compatible = "st,stm32mp157c-ed1", "st,stm32mp157";
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chosen {
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stdout-path = "serial3:115200n8";
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};
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memory@c0000000 {
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reg = <0xC0000000 0x40000000>;
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};
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sd_switch: regulator-sd_switch {
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compatible = "regulator-gpio";
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regulator-name = "sd_switch";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <2900000>;
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regulator-type = "voltage";
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regulator-always-on;
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gpios = <&gpiof 14 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <1800000 0x1 2900000 0x0>;
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};
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};
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&rng1 {
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status = "okay";
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};
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&timers6 {
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status = "okay";
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timer@5 {
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status = "okay";
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};
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};
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&i2c4 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c4_pins_a>;
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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: stpmu1@33 {
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compatible = "st,stpmu1";
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reg = <0x33>;
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interrupts = <0 2>;
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interrupt-parent = <&gpioa>;
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interrupt-controller;
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#interrupt-cells = <2>;
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status = "okay";
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st,main_control_register = <0x04>;
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st,vin_control_register = <0xc0>;
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st,usb_control_register = <0x30>;
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regulators {
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compatible = "st,stpmu1-regulators";
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ldo1-supply = <&v3v3>;
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ldo2-supply = <&v3v3>;
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ldo3-supply = <&vdd_ddr>;
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ldo5-supply = <&v3v3>;
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ldo6-supply = <&v3v3>;
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pwr_sw1-supply = <&bst_out>;
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pwr_sw2-supply = <&bst_out>;
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vddcore: buck1 {
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regulator-name = "vddcore";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1350000>;
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regulator-always-on;
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regulator-initial-mode = <2>;
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regulator-over-current-protection;
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regulator-state-standby {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1200000>;
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regulator-mode = <8>;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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 = <2>;
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regulator-over-current-protection;
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regulator-state-standby {
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regulator-suspend-microvolt = <1350000>;
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regulator-on-in-suspend;
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regulator-mode = <8>;
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};
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regulator-state-mem {
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regulator-suspend-microvolt = <1350000>;
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regulator-on-in-suspend;
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regulator-mode = <8>;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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 = <8>;
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regulator-over-current-protection;
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regulator-state-standby {
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regulator-suspend-microvolt = <3300000>;
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regulator-on-in-suspend;
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regulator-mode = <8>;
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};
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regulator-state-mem {
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regulator-suspend-microvolt = <3300000>;
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regulator-on-in-suspend;
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regulator-mode = <8>;
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};
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regulator-state-disk {
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regulator-suspend-microvolt = <3300000>;
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regulator-on-in-suspend;
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regulator-mode = <8>;
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};
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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-boot-on;
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regulator-over-current-protection;
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regulator-initial-mode = <8>;
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regulator-state-standby {
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regulator-suspend-microvolt = <3300000>;
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regulator-unchanged-in-suspend;
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regulator-mode = <8>;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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};
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vdda: ldo1 {
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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_LDO1 0>;
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interrupt-parent = <&pmic>;
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regulator-state-standby {
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regulator-suspend-microvolt = <2900000>;
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regulator-unchanged-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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};
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v2v8: ldo2 {
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regulator-name = "v2v8";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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interrupts = <IT_CURLIM_LDO2 0>;
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interrupt-parent = <&pmic>;
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regulator-state-standby {
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regulator-suspend-microvolt = <2800000>;
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regulator-unchanged-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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 = <0000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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regulator-over-current-protection;
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regulator-state-standby {
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regulator-off-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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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interrupt-parent = <&pmic>;
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regulator-state-standby {
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regulator-unchanged-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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};
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vdd_sd: ldo5 {
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regulator-name = "vdd_sd";
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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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interrupt-parent = <&pmic>;
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regulator-boot-on;
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regulator-state-standby {
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regulator-suspend-microvolt = <2900000>;
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regulator-unchanged-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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};
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v1v8: ldo6 {
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regulator-name = "v1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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interrupts = <IT_CURLIM_LDO6 0>;
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interrupt-parent = <&pmic>;
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regulator-state-standby {
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regulator-suspend-microvolt = <1800000>;
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regulator-unchanged-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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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regulator-state-standby {
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regulator-on-in-suspend;
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};
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regulator-state-mem {
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regulator-on-in-suspend;
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};
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regulator-state-disk {
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regulator-off-in-suspend;
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};
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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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interrupt-parent = <&pmic>;
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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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interrupt-parent = <&pmic>;
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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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interrupt-parent = <&pmic>;
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regulator-active-discharge;
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};
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};
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};
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};
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&pwr {
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pwr-supply = <&vdd>;
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};
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&sdmmc1 {
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pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
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broken-cd;
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st,dirpol;
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st,negedge;
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st,pin-ckin;
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bus-width = <4>;
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vmmc-supply = <&vdd_sd>;
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vqmmc-supply = <&sd_switch>;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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sd-uhs-sdr50;
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sd-uhs-ddr50;
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sd-uhs-sdr104;
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status = "okay";
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};
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&sdmmc2 {
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pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;
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non-removable;
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no-sd;
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no-sdio;
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st,dirpol;
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st,negedge;
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bus-width = <8>;
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vmmc-supply = <&v3v3>;
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vqmmc-supply = <&vdd>;
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status = "okay";
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};
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&uart4 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart4_pins_a>;
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status = "okay";
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};
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&usbotg_hs {
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usb33d-supply = <&usb33>;
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};
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&hwspinlock {
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status = "okay";
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};
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&pinctrl {
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hwlocks = <&hwspinlock 0>;
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};
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&usbphyc_port0 {
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phy-supply = <&vdd_usb>;
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vdda1v1-supply = <®11>;
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vdda1v8-supply = <®18>;
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};
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&usbphyc_port1 {
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phy-supply = <&vdd_usb>;
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vdda1v1-supply = <®11>;
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vdda1v8-supply = <®18>;
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};
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