b330f18a39
Adds support for using GPT as the hardware timer source (as opposed to systick) for all RT1xxx platforms. This requires moving the clock frequency of these devices into a defconfig so it can be overridden by the GPT clock frequency. Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
93 lines
1.9 KiB
Text
93 lines
1.9 KiB
Text
/*
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* Copyright (c) 2021, NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <nxp/nxp_rt1170_cm4.dtsi>
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#include "mimxrt1170_evk.dtsi"
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/ {
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model = "NXP MIMXRT1170-EVK board";
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compatible = "nxp,mimxrt1176";
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chosen {
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zephyr,sram = &sram1;
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zephyr,console = &lpuart1;
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zephyr,shell-uart = &lpuart1;
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zephyr,canbus = &flexcan2;
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zephyr,flash-controller = &flexspi;
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zephyr,flash = &is25wp128;
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};
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sdram0: memory@80000000 {
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/* Winbond W9825G6KH-5I */
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device_type = "memory";
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reg = <0x80000000 DT_SIZE_M(64)>;
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};
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};
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&lpuart1 {
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status = "okay";
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current-speed = <115200>;
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};
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&lpi2c1 {
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status = "okay";
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};
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&flexspi {
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status = "okay";
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ahb-prefetch;
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ahb-read-addr-opt;
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rx-clock-source = <1>;
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reg = <0x400cc000 0x4000>, <0x30000000 DT_SIZE_M(16)>;
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is25wp128: is25wp128@0 {
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compatible = "nxp,imx-flexspi-nor";
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size = <134217728>;
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label = "IS25WP128";
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reg = <0>;
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spi-max-frequency = <133000000>;
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status = "okay";
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jedec-id = [9d 70 17];
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Note: CM4 does not boot from flexspi, but CM7 code will be
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* stored in slot0
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*/
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(64)>;
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};
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slot0_partition: partition@10000 {
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label = "image-0";
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reg = <0x00010000 DT_SIZE_M(3)>;
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};
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slot1_partition: partition@310000 {
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label = "image-1";
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reg = <0x00310000 DT_SIZE_M(3)>;
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};
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scratch_partition: partition@610000 {
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label = "image-scratch";
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reg = <0x00610000 DT_SIZE_K(128)>;
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};
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storage_partition: partition@630000 {
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label = "storage";
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reg = <0x00630000 DT_SIZE_K(1856)>;
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};
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};
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};
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};
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/* Enable GPT for use as a hardware timer. This disables Cortex Systick.
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* to use systick, change this node from "gpt_hw_timer" to "systick"
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*/
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&gpt_hw_timer {
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status = "okay";
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};
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