upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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476 lines
10 KiB
476 lines
10 KiB
/* 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 "stm32mp157.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/pinctrl/stm32-pinfunc.h>
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#include <dt-bindings/mfd/st,stpmu1.h>
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/ {
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model = "STMicroelectronics STM32MP157C pmic eval daughter";
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compatible = "st,stm32mp157c-ed1", "st,stm32mp157";
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chosen {
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bootargs = "earlyprintk console=ttyS3,115200 root=/dev/ram";
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stdout-path = "serial3:115200n8";
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};
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memory {
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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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&gpioa {
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status = "okay";
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};
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&gpiob {
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status = "okay";
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};
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&gpioc {
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status = "okay";
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};
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&gpiod {
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status = "okay";
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};
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&gpioe {
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status = "okay";
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};
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&gpiof {
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status = "okay";
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};
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&gpiog {
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status = "okay";
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};
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&gpioh {
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status = "okay";
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};
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&gpioi {
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status = "okay";
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};
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&gpioj {
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status = "okay";
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};
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&gpiok {
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status = "okay";
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};
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&gpioz {
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status = "okay";
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};
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&pinctrl {
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uart4_pins_a: uart4@0 {
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pins1 {
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pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */
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bias-disable;
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drive-push-pull;
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slew-rate = <0>;
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};
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pins2 {
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pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
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bias-disable;
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};
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};
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sdmmc1_b4_pins_a: sdmmc1-b4@0 {
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pins {
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pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
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<STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
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<STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
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<STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
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<STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */
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<STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
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slew-rate = <3>;
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drive-push-pull;
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bias-disable;
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};
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};
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sdmmc1_dir_pins_a: sdmmc1-dir@0 {
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pins {
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pinmux = <STM32_PINMUX('F', 2, AF11)>, /* SDMMC1_D0DIR */
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<STM32_PINMUX('C', 7, AF8)>, /* SDMMC1_D123DIR */
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<STM32_PINMUX('B', 9, AF11)>, /* SDMMC1_CDIR */
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<STM32_PINMUX('E', 4, AF8)>; /* SDMMC1_CKIN */
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slew-rate = <3>;
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drive-push-pull;
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bias-pull-up;
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};
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};
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sdmmc2_b4_pins_a: sdmmc2-b4@0 {
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pins {
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pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
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<STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */
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<STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */
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<STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */
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<STM32_PINMUX('E', 3, AF9)>, /* SDMMC2_CK */
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<STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */
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slew-rate = <3>;
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drive-push-pull;
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bias-pull-up;
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};
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};
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sdmmc2_d47_pins_a: sdmmc2-d47@0 {
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pins {
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pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
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<STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
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<STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */
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<STM32_PINMUX('D', 3, AF9)>; /* SDMMC2_D7 */
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slew-rate = <3>;
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drive-push-pull;
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bias-pull-up;
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};
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};
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};
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&pinctrl_z {
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i2c4_pins_a: i2c4@0 {
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pins {
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pinmux = <STM32_PINMUX('Z', 4, AF6)>, /* I2C4_SCL */
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<STM32_PINMUX('Z', 5, AF6)>; /* I2C4_SDA */
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bias-disable;
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drive-open-drain;
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slew-rate = <0>;
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};
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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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&sdmmc1 {
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pinctrl-names = "default";
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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-names = "default";
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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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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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