OpenCloudOS-Kernel/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1....

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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright (c) STMicroelectronics 2019 - All Rights Reserved
* Copyright (c) 2020 Engicam srl
* Copyright (c) 2020 Amarula Solutons(India)
*/
/ {
compatible = "engicam,icore-stm32mp1", "st,stm32mp157";
memory@c0000000 {
device_type = "memory";
reg = <0xc0000000 0x20000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
mcuram2: mcuram2@10000000 {
compatible = "shared-dma-pool";
reg = <0x10000000 0x40000>;
no-map;
};
vdev0vring0: vdev0vring0@10040000 {
compatible = "shared-dma-pool";
reg = <0x10040000 0x1000>;
no-map;
};
vdev0vring1: vdev0vring1@10041000 {
compatible = "shared-dma-pool";
reg = <0x10041000 0x1000>;
no-map;
};
vdev0buffer: vdev0buffer@10042000 {
compatible = "shared-dma-pool";
reg = <0x10042000 0x4000>;
no-map;
};
mcuram: mcuram@30000000 {
compatible = "shared-dma-pool";
reg = <0x30000000 0x40000>;
no-map;
};
retram: retram@38000000 {
compatible = "shared-dma-pool";
reg = <0x38000000 0x10000>;
no-map;
};
};
vddcore: regulator-vddcore {
compatible = "regulator-fixed";
regulator-name = "vddcore";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
};
vdd: regulator-vdd {
compatible = "regulator-fixed";
regulator-name = "vdd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vdd_usb: regulator-vdd-usb {
compatible = "regulator-fixed";
regulator-name = "vdd_usb";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vdda: regulator-vdda {
compatible = "regulator-fixed";
regulator-name = "vdda";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
vdd_ddr: regulator-vdd-ddr {
compatible = "regulator-fixed";
regulator-name = "vdd_ddr";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
};
vtt_ddr: regulator-vtt-ddr {
compatible = "regulator-fixed";
regulator-name = "vtt_ddr";
regulator-min-microvolt = <675000>;
regulator-max-microvolt = <675000>;
regulator-always-on;
vin-supply = <&vdd>;
};
vref_ddr: regulator-vref-ddr {
compatible = "regulator-fixed";
regulator-name = "vref_ddr";
regulator-min-microvolt = <675000>;
regulator-max-microvolt = <675000>;
regulator-always-on;
vin-supply = <&vdd>;
};
vdd_sd: regulator-vdd-sd {
compatible = "regulator-fixed";
regulator-name = "vdd_sd";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
v3v3: regulator-v3v3 {
compatible = "regulator-fixed";
regulator-name = "v3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
v2v8: regulator-v2v8 {
compatible = "regulator-fixed";
regulator-name = "v2v8";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
vin-supply = <&v3v3>;
};
v1v8: regulator-v1v8 {
compatible = "regulator-fixed";
regulator-name = "v1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
vin-supply = <&v3v3>;
};
};
&dts {
status = "okay";
};
&i2c2 {
i2c-scl-falling-time-ns = <20>;
i2c-scl-rising-time-ns = <185>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c2_pins_a>;
pinctrl-1 = <&i2c2_sleep_pins_a>;
status = "okay";
};
&ipcc {
status = "okay";
};
&iwdg2{
timeout-sec = <32>;
status = "okay";
};
&m4_rproc{
memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
<&vdev0vring1>, <&vdev0buffer>;
mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
mbox-names = "vq0", "vq1", "shutdown";
interrupt-parent = <&exti>;
interrupts = <68 1>;
status = "okay";
};
&rng1 {
status = "okay";
};
&rtc{
status = "okay";
};
&vrefbuf {
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
vdda-supply = <&vdd>;
status = "okay";
};