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https://github.com/AsahiLinux/u-boot
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7bda7cee2d
Enable the true random number generator. It can be used, for example, to generate partition UUIDs when partitioning with the gpt command. The generator is already enabled in the device trees of several other STM32MP1‐based boards, like DKx or DHCOM. Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl> Cc: Patrice Chotard <patrice.chotard@foss.st.com> Cc: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
368 lines
7.3 KiB
Text
368 lines
7.3 KiB
Text
// 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 "stm32mp157.dtsi"
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#include "stm32mp15xc.dtsi"
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#include "stm32mp15-pinctrl.dtsi"
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#include "stm32mp15xxac-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 = "Seeed Studio Odyssey-STM32MP157C SOM";
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compatible = "seeed,odyssey-stm32mp157c-som", "st,stm32mp157";
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memory@c0000000 {
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device_type = "memory";
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reg = <0xc0000000 0x20000000>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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mcuram2: mcuram2@10000000 {
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compatible = "shared-dma-pool";
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reg = <0x10000000 0x40000>;
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no-map;
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};
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vdev0vring0: vdev0vring0@10040000 {
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compatible = "shared-dma-pool";
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reg = <0x10040000 0x1000>;
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no-map;
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};
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vdev0vring1: vdev0vring1@10041000 {
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compatible = "shared-dma-pool";
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reg = <0x10041000 0x1000>;
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no-map;
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};
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vdev0buffer: vdev0buffer@10042000 {
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compatible = "shared-dma-pool";
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reg = <0x10042000 0x4000>;
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no-map;
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};
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mcuram: mcuram@30000000 {
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compatible = "shared-dma-pool";
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reg = <0x30000000 0x40000>;
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no-map;
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};
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retram: retram@38000000 {
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compatible = "shared-dma-pool";
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reg = <0x38000000 0x10000>;
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no-map;
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};
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gpu_reserved: gpu@d4000000 {
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reg = <0xd4000000 0x4000000>;
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no-map;
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};
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optee@de000000 {
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reg = <0xde000000 0x02000000>;
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no-map;
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};
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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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&gpu {
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contiguous-area = <&gpu_reserved>;
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status = "okay";
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};
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&i2c2 {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&i2c2_pins_a>;
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pinctrl-1 = <&i2c2_sleep_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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clock-frequency = <400000>;
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status = "okay";
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/* spare dmas for other usage */
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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 = <&gpioa 0 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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regulators {
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compatible = "st,stpmic1-regulators";
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ldo1-supply = <&v3v3>;
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ldo3-supply = <&vdd_ddr>;
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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 = <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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interrupts = <IT_CURLIM_LDO1 0>;
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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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interrupts = <IT_CURLIM_LDO2 0>;
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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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interrupts = <IT_CURLIM_LDO4 0>;
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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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interrupts = <IT_CURLIM_LDO5 0>;
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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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interrupts = <IT_CURLIM_LDO6 0>;
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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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};
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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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};
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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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};
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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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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 0>;
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interrupt-names = "onkey-falling", "onkey-rising";
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power-off-time-sec = <10>;
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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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};
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&ipcc {
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status = "okay";
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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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&m4_rproc {
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memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
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<&vdev0vring1>, <&vdev0buffer>;
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mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
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mbox-names = "vq0", "vq1", "shutdown";
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interrupt-parent = <&exti>;
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interrupts = <68 1>;
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status = "okay";
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};
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&rng1 {
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status = "okay";
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};
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&sdmmc2 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc2_b4_pins_a>;
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pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
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pinctrl-2 = <&sdmmc2_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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&timers1 {
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/* spare dmas for other usage */
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm1_pins_a>;
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pinctrl-1 = <&pwm1_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@0 {
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status = "okay";
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};
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};
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&timers3 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm3_pins_a>;
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pinctrl-1 = <&pwm3_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@2 {
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status = "okay";
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};
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};
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&timers4 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm4_pins_a &pwm4_pins_b>;
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pinctrl-1 = <&pwm4_sleep_pins_a &pwm4_sleep_pins_b>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@3 {
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status = "okay";
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};
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};
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&timers5 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm5_pins_a>;
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pinctrl-1 = <&pwm5_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@4 {
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status = "okay";
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};
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};
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&timers6 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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timer@5 {
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status = "okay";
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};
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};
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&timers12 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm12_pins_a>;
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pinctrl-1 = <&pwm12_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@11 {
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status = "okay";
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};
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};
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&vrefbuf {
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2500000>;
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vdda-supply = <&vdd>;
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status = "okay";
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};
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