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https://github.com/ARM-software/arm-trusted-firmware.git
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fdts: stm32mp1: add support for Linux Automation MC-1 board
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 PMIC. The board has eMMC and a SD slot for storage. The SDRAM calibration values are taken as is from the DKx boards, which seem to be suitable for operation at German room temperature. This is deemed ok for now, but for use in the field, the SiP will likely need to have its timings determined in a climate chamber. Change-Id: I5f43a61930151ae9d1df2ea7d0f6f9697c813ce0 Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
This commit is contained in:
Ahmad Fatoum
parent
6047a10538
commit
2fbb60642f
2 changed files with 388 additions and 0 deletions
107
fdts/stm32mp157c-lxa-mc1.dts
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107
fdts/stm32mp157c-lxa-mc1.dts
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/* 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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/dts-v1/;
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#include "stm32mp157.dtsi"
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#include "stm32mp15xc.dtsi"
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#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi"
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#include "stm32mp15xx-osd32.dtsi"
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#include "stm32mp15xxac-pinctrl.dtsi"
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/ {
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model = "Linux Automation MC-1 board";
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compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
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aliases {
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mmc0 = &sdmmc1;
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mmc1 = &sdmmc2;
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serial0 = &uart4;
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};
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chosen {
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stdout-path = &uart4;
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};
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led-act {
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compatible = "gpio-leds";
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led-green {
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label = "mc1:green:act";
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gpios = <&gpioa 13 1>;
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linux,default-trigger = "heartbeat";
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};
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};
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reg_3v3: regulator_3v3 {
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compatible = "regulator-fixed";
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regulator-name = "3V3";
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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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vin-supply = <&v3v3>;
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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>;
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bus-width = <4>;
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cd-gpios = <&gpioh 3 1>;
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disable-wp;
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no-1-8-v;
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st,neg-edge;
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vmmc-supply = <®_3v3>;
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status = "okay";
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};
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&sdmmc1_b4_pins_a {
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/*
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* board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
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* work, thus enable internal pull-ups.
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*/
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pins1 {
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/delete-property/ bias-disable;
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bias-pull-up;
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};
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pins2 {
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/delete-property/ bias-disable;
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bias-pull-up;
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};
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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 &mc1_sdmmc2_d47_pins_b>;
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bus-width = <8>;
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no-1-8-v;
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no-sd;
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no-sdio;
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non-removable;
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st,neg-edge;
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vmmc-supply = <®_3v3>;
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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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&pinctrl {
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mc1_sdmmc2_d47_pins_b: mc1-sdmmc2-d47-1 {
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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('C', 6, AF10)>, /* SDMMC2_D6 */
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<STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */
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slew-rate = <1>;
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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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};
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281
fdts/stm32mp15xx-osd32.dtsi
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281
fdts/stm32mp15xx-osd32.dtsi
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@ -0,0 +1,281 @@
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/* 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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&i2c4 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c4_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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};
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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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};
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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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};
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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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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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};
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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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};
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vbus_otg: pwr_sw1 {
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regulator-name = "vbus_otg";
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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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regulator-active-discharge;
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};
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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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};
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&rng1 {
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status = "okay";
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};
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/* ATF Specific */
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#include <dt-bindings/clock/stm32mp1-clksrc.h>
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/ {
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aliases {
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gpio0 = &gpioa;
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gpio1 = &gpiob;
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gpio2 = &gpioc;
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gpio3 = &gpiod;
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gpio4 = &gpioe;
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gpio5 = &gpiof;
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gpio6 = &gpiog;
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gpio7 = &gpioh;
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gpio8 = &gpioi;
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gpio25 = &gpioz;
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i2c3 = &i2c4;
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};
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};
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&bsec {
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board_id: board_id@ec {
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reg = <0xec 0x4>;
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st,non-secure-otp;
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};
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};
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&clk_hse {
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st,digbypass;
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};
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&cpu0{
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cpu-supply = <&vddcore>;
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};
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&cpu1{
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cpu-supply = <&vddcore>;
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};
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&hash1 {
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status = "okay";
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};
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/* CLOCK init */
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&rcc {
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secure-status = "disabled";
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st,clksrc = <
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CLK_MPU_PLL1P
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CLK_AXI_PLL2P
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CLK_MCU_PLL3P
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CLK_PLL12_HSE
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CLK_PLL3_HSE
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CLK_PLL4_HSE
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CLK_RTC_LSE
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CLK_MCO1_DISABLED
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CLK_MCO2_DISABLED
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>;
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st,clkdiv = <
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1 /*MPU*/
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0 /*AXI*/
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0 /*MCU*/
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1 /*APB1*/
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1 /*APB2*/
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1 /*APB3*/
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1 /*APB4*/
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2 /*APB5*/
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23 /*RTC*/
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0 /*MCO1*/
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0 /*MCO2*/
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>;
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st,pkcs = <
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CLK_CKPER_HSE
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CLK_FMC_ACLK
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CLK_QSPI_ACLK
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CLK_ETH_PLL4P
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CLK_SDMMC12_PLL4P
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CLK_DSI_DSIPLL
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CLK_STGEN_HSE
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CLK_USBPHY_HSE
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CLK_SPI2S1_PLL3Q
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CLK_SPI2S23_PLL3Q
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CLK_SPI45_HSI
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CLK_SPI6_HSI
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CLK_I2C46_HSI
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CLK_SDMMC3_PLL4P
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CLK_USBO_USBPHY
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CLK_ADC_CKPER
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CLK_CEC_LSE
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CLK_I2C12_HSI
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CLK_I2C35_HSI
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CLK_UART1_HSI
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CLK_UART24_HSI
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CLK_UART35_HSI
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CLK_UART6_HSI
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CLK_UART78_HSI
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CLK_SPDIF_PLL4P
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CLK_FDCAN_PLL4R
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CLK_SAI1_PLL3Q
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CLK_SAI2_PLL3Q
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CLK_SAI3_PLL3Q
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CLK_SAI4_PLL3Q
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CLK_RNG1_LSI
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CLK_RNG2_LSI
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CLK_LPTIM1_PCLK1
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CLK_LPTIM23_PCLK3
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CLK_LPTIM45_LSE
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>;
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/* VCO = 1300.0 MHz => P = 650 (CPU) */
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pll1: st,pll@0 {
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compatible = "st,stm32mp1-pll";
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reg = <0>;
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cfg = < 2 80 0 0 0 PQR(1,0,0) >;
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frac = < 0x800 >;
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};
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/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
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pll2: st,pll@1 {
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compatible = "st,stm32mp1-pll";
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reg = <1>;
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cfg = <2 65 1 0 0 PQR(1,1,1)>;
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frac = <0x1400>;
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};
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/* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */
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pll3: st,pll@2 {
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compatible = "st,stm32mp1-pll";
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reg = <2>;
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cfg = <1 33 1 16 36 PQR(1,1,1)>;
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frac = <0x1a04>;
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};
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/* VCO = 594.0 MHz => P = 99, Q = 74, R = 74 */
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pll4: st,pll@3 {
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compatible = "st,stm32mp1-pll";
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reg = <3>;
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cfg = <3 98 5 7 7 PQR(1,1,1)>;
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};
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};
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