mirror of
https://github.com/brain-hackers/u-boot-brain
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87e1e0fc7f
This commit adds device tree files supporting SBC from Seeed Studio based on STM32MP157C. This works with generic stm32mp1 config. Right now only booting from SD card is supported. Signed-off-by: Marcin Sloniewski <marcin.sloniewski@gmail.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
162 lines
3.0 KiB
Plaintext
162 lines
3.0 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
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/*
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* Copyright (C) 2020 Marcin Sloniewski <marcin.sloniewski@gmail.com>
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*/
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/dts-v1/;
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#include "stm32mp157c-odyssey-som.dtsi"
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/ {
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model = "Seeed Studio Odyssey-STM32MP157C Board";
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compatible = "seeed,odyssey-stm32mp157c", "st,stm32mp157";
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aliases {
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ethernet0 = ðernet0;
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serial0 = &uart4;
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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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led {
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compatible = "gpio-leds";
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blue {
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label = "heartbeat";
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gpios = <&gpiog 3 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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};
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};
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&adc {
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pinctrl-names = "default";
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pinctrl-0 = <&adc12_ain_pins_a>, <&adc12_usb_cc_pins_a>;
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vdd-supply = <&vdd>;
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vdda-supply = <&vdd>;
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vref-supply = <&vrefbuf>;
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status = "disabled";
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adc1: adc@0 {
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/*
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* Type-C USB_PWR_CC1 & USB_PWR_CC2 on in18 & in19.
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* Use at least 5 * RC time, e.g. 5 * (Rp + Rd) * C:
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* 5 * (56 + 47kOhms) * 5pF => 2.5us.
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* Use arbitrary margin here (e.g. 5us).
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*/
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st,min-sample-time-nsecs = <5000>;
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/* AIN connector, USB Type-C CC1 & CC2 */
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st,adc-channels = <0 1 6 13 18 19>;
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status = "okay";
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};
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adc2: adc@100 {
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/* AIN connector, USB Type-C CC1 & CC2 */
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st,adc-channels = <0 1 2 6 18 19>;
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st,min-sample-time-nsecs = <5000>;
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status = "okay";
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};
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};
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&cec {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&cec_pins_b>;
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pinctrl-1 = <&cec_sleep_pins_b>;
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status = "okay";
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};
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ðernet0 {
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status = "okay";
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pinctrl-0 = <ðernet0_rgmii_pins_a>;
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pinctrl-1 = <ðernet0_rgmii_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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phy-mode = "rgmii-id";
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max-speed = <1000>;
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phy-handle = <&phy0>;
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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@0 {
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reg = <0>;
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};
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};
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};
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&gpu {
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contiguous-area = <&gpu_reserved>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&i2c1_pins_a>;
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pinctrl-1 = <&i2c1_sleep_pins_a>;
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i2c-scl-rising-time-ns = <100>;
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i2c-scl-falling-time-ns = <7>;
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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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&i2s2 {
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clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc PLL3_Q>, <&rcc PLL3_R>;
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clock-names = "pclk", "i2sclk", "x8k", "x11k";
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&i2s2_pins_a>;
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pinctrl-1 = <&i2s2_sleep_pins_a>;
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status = "okay";
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};
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&pwr_regulators {
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vdd-supply = <&vdd>;
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vdd_3v3_usbfs-supply = <&vdd_usb>;
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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>;
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pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
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pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
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broken-cd;
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disable-wp;
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st,neg-edge;
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bus-width = <4>;
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vmmc-supply = <&v3v3>;
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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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&usbh_ehci {
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phys = <&usbphyc_port0>;
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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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