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2f3c4b8a0f
The core and vdd PMIC buck regulators were misconfigured, which caused instability of the board and malfunction of high-speed interfaces, like the RGMII. Configure the PMIC correctly to repair these problems. Also, model the missing Enpirion EP53A8LQI on the DHCOR SoM as a fixed regulator. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: Patrice Chotard <patrice.chotard@st.com>
426 lines
8.9 KiB
Text
426 lines
8.9 KiB
Text
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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/*
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* Copyright (C) Linaro Ltd 2019 - All Rights Reserved
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* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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*/
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/dts-v1/;
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#include "stm32mp157c.dtsi"
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#include "stm32mp157xac-pinctrl.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/mfd/st,stpmic1.h>
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/ {
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model = "Arrow Electronics STM32MP157A Avenger96 board";
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compatible = "arrow,stm32mp157a-avenger96", "st,stm32mp157";
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aliases {
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eeprom0 = &eeprom0;
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ethernet0 = ðernet0;
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mmc0 = &sdmmc1;
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serial0 = &uart4;
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serial1 = &uart7;
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spi0 = &qspi;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@c0000000 {
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device_type = "memory";
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reg = <0xc0000000 0x40000000>;
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};
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led {
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compatible = "gpio-leds";
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led1 {
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label = "green:user1";
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gpios = <&gpioz 7 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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default-state = "off";
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};
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led2 {
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label = "green:user2";
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gpios = <&gpiof 3 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "mmc0";
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default-state = "off";
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};
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led3 {
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label = "green:user3";
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gpios = <&gpiog 0 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "mmc1";
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default-state = "off";
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};
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led4 {
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label = "green:user3";
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gpios = <&gpiog 1 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "none";
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default-state = "off";
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panic-indicator;
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};
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led5 {
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label = "yellow:wifi";
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gpios = <&gpioz 3 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "phy0tx";
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default-state = "off";
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};
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led6 {
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label = "blue:bt";
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gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "bluetooth-power";
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default-state = "off";
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};
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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 = <&gpioi 5 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <1800000 0x1>,
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<2900000 0x0>;
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};
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/* Enpirion EP3A8LQI U2 on the DHCOR */
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vdd_io: regulator-buck-io {
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compatible = "regulator-fixed";
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regulator-name = "buck-io";
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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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regulator-boot-on;
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vin-supply = <&vdd>;
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};
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};
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ðernet0 {
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status = "okay";
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pinctrl-0 = <ðernet0_rgmii_pins_b>;
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pinctrl-1 = <ðernet0_rgmii_pins_sleep_b>;
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pinctrl-names = "default", "sleep";
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phy-mode = "rgmii";
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max-speed = <1000>;
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phy-handle = <&phy0>;
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phy-reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
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mdio0 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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phy0: ethernet-phy@7 {
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reg = <7>;
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};
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};
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};
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins_b>;
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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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/delete-property/dmas;
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/delete-property/dma-names;
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};
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&i2c2 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c2_pins_b1 &i2c2_pins_b2>;
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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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/delete-property/dmas;
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/delete-property/dma-names;
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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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/delete-property/dmas;
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/delete-property/dma-names;
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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 = <&exti 55 IRQ_TYPE_EDGE_FALLING>;
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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,stpmic1-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 = <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 = <2900000>;
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regulator-max-microvolt = <2900000>;
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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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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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};
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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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};
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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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interrupt-parent = <&pmic>;
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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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};
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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-enable-ramp-delay = <300000>;
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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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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 = <1>;
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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 = <1>;
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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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status = "okay";
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};
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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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eeprom0: eeprom@53 {
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compatible = "atmel,24c02";
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reg = <0x53>;
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pagesize = <16>;
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};
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};
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&iwdg2 {
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timeout-sec = <32>;
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status = "okay";
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};
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&pwr_regulators {
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vdd-supply = <&vdd_io>;
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vdd_3v3_usbfs-supply = <&vdd_usb>;
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};
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&qspi {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a>;
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pinctrl-1 = <&qspi_clk_sleep_pins_a &qspi_bk1_sleep_pins_a>;
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reg = <0x58003000 0x1000>, <0x70000000 0x200000>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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flash0: spi-flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-rx-bus-width = <4>;
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spi-max-frequency = <108000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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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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&rtc {
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status = "okay";
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};
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&sdmmc1 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>;
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pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_b>;
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pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_b>;
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cd-gpios = <&gpioi 8 GPIO_ACTIVE_LOW>;
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disable-wp;
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st,sig-dir;
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st,neg-edge;
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st,use-ckin;
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sd-uhs-sdr104;
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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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status = "okay";
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};
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&sdmmc2 {
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pinctrl-names = "default";
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pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
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non-removable;
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no-sd;
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no-sdio;
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st,neg-edge;
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bus-width = <8>;
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vmmc-supply = <&v3v3>;
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mmc-ddr-3_3v;
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status = "okay";
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};
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&spi2 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi2_pins_a>;
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status = "okay";
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};
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&uart4 {
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/* On Low speed expansion header */
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label = "LS-UART1";
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pinctrl-names = "default";
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pinctrl-0 = <&uart4_pins_b>;
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status = "okay";
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};
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&uart7 {
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/* On Low speed expansion header */
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label = "LS-UART0";
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pinctrl-names = "default";
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pinctrl-0 = <&uart7_pins_a>;
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status = "okay";
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};
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&usbh_ehci {
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phys = <&usbphyc_port0>;
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phy-names = "usb";
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status = "okay";
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};
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&usbotg_hs {
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dr_mode = "peripheral";
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phys = <&usbphyc_port1 0>;
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phy-names = "usb2-phy";
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status = "okay";
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};
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&usbphyc {
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status = "okay";
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};
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&usbphyc_port0 {
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phy-supply = <&vdd_usb>;
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};
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&usbphyc_port1 {
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phy-supply = <&vdd_usb>;
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};
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