7483e43f0c
The 'zephyr,memory-region-mpu' property was addede gqas a convenient way to create and configure MPU regions using information coming from DT. It has been used a lot since it was introduced so I guess we can consider it a Zephyr success story ™ . Unfortunately it has been proved to be a bit limited and with some important limitations: 1. It was introduced as a property of the compatible zephyr,memory-region that is used to create linker regions and sections from DT data. This means that we can actually create MPU regions only for DT-defined regions and sections. 2. The naming is unfortunate because it is implying that it is used only for MPU. 3. It is misplaced being in include/zephyr/linker/devicetree_regions.h and still it has nothing to do with the linker at all. 4. It is exporting a function called LINKER_DT_REGION_MPU that again has nothing to do with the linker. Point (1) is also particularly limiting because it is preventing us to characterize memory regions that are not generated using the 'zephyr,memory-region' compatible, like generic mmio-sram regions. While we fix all the issues, we also want to extend a bit the range of usefulness of this property. We are renaming it 'zephyr,memory-attr' and it is now carrying information about the type of memory the property is attached to (cacheable, non-cacheable, IO, eXecutable, etc...). The user can use this property and the DT API coming with it to act on the memory node it is accompanied by. We are still providing the DT_MEMORY_ATTR_APPLY() macro that can be used to create the MPU regions as before, but we are adding also a DT_MEMORY_ATTR_FOREACH_NODE() macro that can be used to cycle through the memory nodes and act on those. Signed-off-by: Carlo Caione <ccaione@baylibre.com>
666 lines
15 KiB
Plaintext
666 lines
15 KiB
Plaintext
/*
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* Copyright (c) 2020 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Application overlay for testing the devicetree.h API.
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*
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* Names in this file should be chosen in a way that won't conflict
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* with real-world devicetree nodes, to allow these tests to run on
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* (and be extended to test) real hardware.
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*/
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/ {
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aliases {
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test-alias = &test_nodelabel;
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};
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chosen {
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ztest,gpio = &test_nodelabel;
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};
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zephyr,user {
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ph = <&test_gpio_1>;
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string = "foo";
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};
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test {
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#address-cells = < 0x1 >;
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#size-cells = < 0x1 >;
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interrupt-parent = <&test_intc>;
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test_pinctrl: pin-controller {
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compatible = "vnd,pinctrl";
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test_pincfg_a: pincfg-a {};
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test_pincfg_b: pincfg-b {};
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test_pincfg_c: pincfg-c {};
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test_pincfg_d: pincfg-d {};
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};
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test_arrays: array-holder {
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/*
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* vnd,undefined-compat is for DT_NODE_HAS_COMPAT_STATUS(..,okay).
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* There should only be one vnd,array-holder in the entire DTS.
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*/
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compatible = "vnd,array-holder", "vnd,undefined-compat";
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a = <1000 2000 3000>;
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b = [aa bb cc dd];
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c = "bar", "baz";
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};
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test_phandles: phandle-holder-0 {
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compatible = "vnd,phandle-holder";
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/*
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* At least one of these phandles must refer to
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* test_gpio_1, or dependency ordinal tests may fail.
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*/
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ph = <&test_gpio_1>;
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phs = <&test_gpio_1 &test_gpio_2 &test_i2c>;
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phs-or = <&test_enum_default_0 &test_enum_default_1>;
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gpios = <&test_gpio_1 10 20>, <&test_gpio_2 30 40>;
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pha-gpios = <&test_gpio_1 50 60>, <0>, <&test_gpio_3 70>, <&test_gpio_2 80 90>;
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foos = <&test_gpio_1 100>, <&test_gpio_2 110>;
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foo-names = "A", "b-c";
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pwms = <&test_pwm1 8 200 3>, <&test_pwm2 5 100 1>;
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pwm-names = "red", "green";
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bar = <&test_gpio_1 200>, <&test_gpio_2 210>;
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baz-names = "john", "doe";
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};
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test_enum_0: enum-0 {
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compatible = "vnd,enum-holder";
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val = "zero";
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};
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test_enum_1: enum-1 {
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compatible = "vnd,enum-holder";
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val = "two";
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};
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test_enum_default_0: enum-2 {
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compatible = "vnd,enum-required-false-holder";
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val = "one";
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};
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test_enum_default_1: enum-3 {
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compatible = "vnd,enum-required-false-holder";
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};
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test_enum_int_default_0: enum-4 {
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compatible = "vnd,enum-int-required-false-holder";
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val = < 5 >;
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};
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test_enum_int_default_1: enum-5 {
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compatible = "vnd,enum-int-required-false-holder";
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};
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enum-6 {
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compatible = "vnd,enum-holder-inst";
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val = "zero";
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};
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enum-7 {
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compatible = "vnd,enum-required-false-holder-inst";
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};
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/*
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* disabled/reserved should be the only nodes with their
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* compatible in the tree.
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*/
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disabled-node@0 {
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compatible = "vnd,disabled-compat";
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reg = < 0x0 0x1000 >;
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status = "disabled";
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};
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reserved-node@0 {
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compatible = "vnd,reserved-node";
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reg = < 0x0 0x1000 >;
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status = "reserved";
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};
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disabled_gpio: gpio@0 {
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compatible = "vnd,gpio-device";
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gpio-controller;
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reg = < 0x0 0x1000 >;
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interrupts = <3 1>;
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#gpio-cells = < 0x2 >;
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label = "TEST_GPIO_0";
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status = "disabled";
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};
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reserved_gpio: gpio@1 {
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compatible = "vnd,gpio-device";
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gpio-controller;
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reg = < 0x1 0x1000 >;
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interrupts = <3 1>;
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#gpio-cells = < 0x2 >;
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label = "TEST_GPIO_1";
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status = "reserved";
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};
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test_no_status: intc_no_status@0 {
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compatible = "vnd,intc";
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reg = <0x0 0x1000>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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test_nodelabel: TEST_NODELABEL_ALLCAPS: test_gpio_1: gpio@deadbeef {
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compatible = "vnd,gpio-device";
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gpio-controller;
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reg = < 0xdeadbeef 0x1000 >;
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#gpio-cells = < 0x2 >;
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#foo-cells = < 0x1 >;
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#baz-cells = < 0x1 >;
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label = "TEST_GPIO_1";
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interrupts = <4 3>;
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status = "okay";
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test_gpio_hog_1 {
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gpio-hog;
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gpios = <0x0 0x00>, <0x1 0x10>;
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output-high;
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};
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test_gpio_hog_2 {
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gpio-hog;
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gpios = <0x3 0x20>;
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output-low;
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};
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};
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test_gpio_2: gpio@abcd1234 {
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compatible = "vnd,gpio-device";
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gpio-controller;
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reg = < 0xabcd1234 0x500 0x98765432 0xff >;
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reg-names = "one", "two";
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#gpio-cells = < 0x2 >;
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#foo-cells = < 0x1 >;
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#baz-cells = < 0x1 >;
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interrupts = <5 2>;
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label = "TEST_GPIO_2";
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status = "okay";
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test_gpio_hog_3 {
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gpio-hog;
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gpios = <0x4 0x30>;
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input;
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line-name = "TEST_GPIO_HOG_3";
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};
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};
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test_gpio_3: gpio@1234 {
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compatible = "vnd,gpio-one-cell";
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gpio-controller;
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reg = < 0x1234 0x500 >;
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#gpio-cells = < 0x1 >;
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status = "okay";
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};
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test_i2c: i2c@11112222 {
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#address-cells = < 1 >;
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#size-cells = < 0 >;
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compatible = "vnd,i2c";
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reg = < 0x11112222 0x1000 >;
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label = "TEST_I2C_CTLR";
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status = "okay";
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clock-frequency = < 100000 >;
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interrupts = <6 2 7 1>;
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interrupt-names = "status", "error";
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test-i2c-dev@10 {
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compatible = "vnd,i2c-device";
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label = "TEST_I2C_DEV_10";
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reg = < 0x10 >;
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};
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gpio@11 {
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gpio-controller;
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#gpio-cells = <2>;
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compatible = "vnd,gpio-expander";
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reg = <0x11>;
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};
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test_i2c_mux: i2c-mux@12 {
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compatible = "vnd,i2c-mux";
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reg = <0x12>;
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i2c-mux-ctlr-1 {
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compatible = "vnd,i2c-mux-controller";
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#address-cells = <1>;
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#size-cells = <0>;
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test_muxed_i2c_dev_1: muxed-i2c-dev@10 {
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compatible = "vnd,i2c-device";
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status = "disabled";
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reg = <0x10>;
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};
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};
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i2c-mux-ctlr-2 {
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compatible = "vnd,i2c-mux-controller";
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#address-cells = <1>;
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#size-cells = <0>;
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test_muxed_i2c_dev_2: muxed-i2c-dev@10 {
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compatible = "vnd,i2c-device";
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status = "disabled";
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reg = <0x10>;
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};
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};
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};
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};
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test_i2c_no_reg: i2c {
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#address-cells = < 1 >;
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#size-cells = < 0 >;
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compatible = "vnd,i2c";
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status = "okay";
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clock-frequency = < 100000 >;
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test-i2c-dev@12 {
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compatible = "vnd,i2c-device";
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reg = < 0x12 >;
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};
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};
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test_i3c: i3c@88889999 {
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#address-cells = < 3 >;
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#size-cells = < 0 >;
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compatible = "vnd,i3c";
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reg = < 0x88889999 0x1000 >;
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label = "TEST_I3C_CTLR";
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status = "okay";
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test-i3c-dev@420000ABCD12345678 {
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compatible = "vnd,i3c-device";
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label = "TEST_I3C_DEV_42";
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reg = < 0x42 0xABCD 0x12345678 >;
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};
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test-i3c-i2c-dev@380000000000000050 {
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compatible = "vnd,i3c-i2c-device";
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label = "TEST_I3C_I2C_DEV_38";
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reg = < 0x38 0x0 0x50 >;
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};
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};
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test_mbox: mbox {
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compatible = "vnd,mbox";
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#mbox-cells = <1>;
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status = "okay";
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};
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test_mbox_zero_cell: mbox_zero_cell {
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compatible = "vnd,mbox-zero-cell";
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#mbox-cells = <0>;
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status = "okay";
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};
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test_spi: spi@33334444 {
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#address-cells = < 1 >;
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#size-cells = < 0 >;
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compatible = "vnd,spi";
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reg = < 0x33334444 0x1000 >;
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interrupts = <8 3 9 0 10 1>;
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label = "TEST_SPI_CTLR";
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status = "okay";
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clock-frequency = < 2000000 >;
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cs-gpios = <&test_gpio_1 0x10 0x20>,
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<&test_gpio_2 0x30 0x40>,
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<&test_gpio_2 0x50 0x60>;
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/* all vnd,spi-device instances should have CS */
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test-spi-dev@0 {
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compatible = "vnd,spi-device";
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label = "TEST_SPI_DEV_0";
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reg = <0>;
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spi-max-frequency = < 2000000 >;
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};
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test-spi-dev@1 {
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compatible = "vnd,spi-device";
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reg = <1>;
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spi-max-frequency = < 2000000 >;
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};
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gpio@2 {
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gpio-controller;
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#gpio-cells = <2>;
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compatible = "vnd,gpio-expander";
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reg = <2>;
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spi-max-frequency = <(1 * 1000 * 1000)>;
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};
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};
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test_spi_no_cs: spi@55556666 {
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#address-cells = < 1 >;
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#size-cells = < 0 >;
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compatible = "vnd,spi";
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reg = < 0x55556666 0x1000 >;
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status = "okay";
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clock-frequency = < 2000000 >;
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/*
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* There should only be one spi-device-2 node.
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* It should not have a CS GPIO.
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*/
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test_spi_dev_no_cs: test-spi-dev@0 {
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compatible = "vnd,spi-device-2";
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reg = <0>;
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spi-max-frequency = < 2000000 >;
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};
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};
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test_i2c_1: i2c@77778888 {
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#address-cells = < 1 >;
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#size-cells = < 0 >;
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compatible = "vnd,i2c";
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reg = < 0x77778888 0x1000 >;
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status = "okay";
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clock-frequency = < 100000 >;
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interrupts = <11 3 12 2>;
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interrupt-names = "status", "error";
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};
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test_adc_1: adc@10002000 {
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reg = <0x10002000 0x1000>;
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compatible = "vnd,adc";
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status = "okay";
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#io-channel-cells = <1>;
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};
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test_adc_2: adc@10003000 {
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reg = <0x10003000 0x1000>;
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compatible = "vnd,adc";
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status = "okay";
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#io-channel-cells = <1>;
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};
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/* there should only be one of these */
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test_temp_sensor: temperature-sensor {
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compatible = "vnd,adc-temp-sensor";
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io-channels = <&test_adc_1 10>, <&test_adc_2 20>;
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io-channel-names = "ch1", "ch2";
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dmas = <&test_dma1 1 2>, <&test_dma2 3 4>;
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dma-names = "tx", "rx";
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clocks = <&test_clk 3 7>, <&test_fixed_clk>, <&test_clk 8 2>;
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clock-names = "clk-a", "clk-fixed", "clk-b";
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resets = <&test_reset 10>, <&test_reset 20>;
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reset-names = "reset-a", "reset-b";
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pinctrl-0 = <&test_pincfg_a &test_pincfg_b>;
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pinctrl-1 = <&test_pincfg_c &test_pincfg_d>;
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pinctrl-2 = <&test_pincfg_d>;
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pinctrl-names = "default", "sleep", "f.o.o2";
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mboxes = <&test_mbox 1>, <&test_mbox 2>, <&test_mbox_zero_cell>;
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mbox-names = "tx", "rx", "zero";
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};
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/* there should only be one of these */
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test_reg: reg-holder@9999aaaa {
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compatible = "vnd,reg-holder";
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reg = < 0x9999aaaa 0x1000 0xbbbbcccc 0x3f >;
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status = "okay";
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reg-names = "first", "second";
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misc-prop = <1234>;
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};
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test_vendor: vendor {
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compatible = "vnd,model1", "gpio", "zephyr,model2";
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status = "okay";
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};
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test_intc: interrupt-controller@bbbbcccc {
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compatible = "vnd,intc";
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reg = <0xbbbbcccc 0x1000>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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/* there should only be one of these */
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test_irq: interrupt-holder {
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compatible = "vnd,interrupt-holder";
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status = "okay";
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interrupts = <30 3 40 5 60 7>;
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interrupt-names = "err", "stat", "done";
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};
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test_fixed_clk: test-fixed-clock {
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compatible = "fixed-clock";
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clock-frequency = <25000000>;
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#clock-cells = <0>;
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};
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test_clk: test-clock {
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compatible = "vnd,clock";
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#clock-cells = <2>;
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};
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test_reset: test-reset@abcd1234 {
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compatible = "vnd,reset";
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reg-width = <4>;
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reg = <0xabcd1234 0x100>;
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#reset-cells = <1>;
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};
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test_dma1: dma@44443333 {
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compatible = "vnd,dma";
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#dma-cells = <2>;
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reg = < 0x44443333 0x1000 >;
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interrupts = <11 3>;
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status = "okay";
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};
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test_dma2: dma@44442222 {
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compatible = "vnd,dma";
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#dma-cells = <2>;
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reg = < 0x44442222 0x1000 >;
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interrupts = <12 3>;
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status = "okay";
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};
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test_pwm1: pwm@55551111 {
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compatible = "vnd,pwm";
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#pwm-cells = <3>;
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reg = < 0x55551111 0x1000 >;
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status = "okay";
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};
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test_pwm2: pwm@55552222 {
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compatible = "vnd,pwm";
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#pwm-cells = <3>;
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reg = < 0x55552222 0x1000 >;
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status = "okay";
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};
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test_transceiver0: can-phy0 {
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compatible = "vnd,can-transceiver";
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status = "okay";
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#phy-cells = <0>;
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max-bitrate = <5000000>;
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};
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test_can0: can@55553333 {
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compatible = "vnd,can-controller";
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reg = < 0x55553333 0x1000 >;
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sjw = <1>;
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sample-point = <875>;
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bus-speed = <125000>;
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status = "okay";
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phys = <&test_transceiver0>;
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};
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test_can1: can@55554444 {
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compatible = "vnd,can-controller";
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reg = < 0x55554444 0x1000 >;
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sjw = <1>;
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sample-point = <875>;
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bus-speed = <125000>;
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status = "okay";
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can-transceiver {
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max-bitrate = <2000000>;
|
|
};
|
|
};
|
|
|
|
/* there should only be one of these */
|
|
test_children: test-children {
|
|
compatible = "vnd,child-bindings";
|
|
|
|
test_child_a: child-a {
|
|
val = <0>;
|
|
status = "okay";
|
|
};
|
|
test_child_b: child-b {
|
|
val = <1>;
|
|
status = "okay";
|
|
};
|
|
test_child_c: child-c {
|
|
val = <2>;
|
|
status = "disabled";
|
|
};
|
|
};
|
|
|
|
test-great-grandchildren {
|
|
compatible = "vnd,great-grandchild-bindings";
|
|
|
|
child {
|
|
grandchild {
|
|
test_ggc: great-grandchild {
|
|
ggc-prop = <42>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
test-ranges {
|
|
#address-cells = <2>;
|
|
#size-cells = <1>;
|
|
|
|
test_ranges_pcie: pcie@0 {
|
|
compatible = "vnd,pcie";
|
|
reg = <0 0 1>;
|
|
#address-cells = <3>;
|
|
#size-cells = <2>;
|
|
|
|
ranges = <0x1000000 0 0 0 0x3eff0000 0 0x10000>,
|
|
<0x2000000 0 0x10000000 0 0x10000000 0 0x2eff0000>,
|
|
<0x3000000 0x80 0 0x80 0 0x80 0>;
|
|
};
|
|
|
|
test_ranges_other: other@1 {
|
|
reg = <0 1 1>;
|
|
#address-cells = <2>;
|
|
#size-cells = <1>;
|
|
|
|
ranges = <0x0 0x0 0x0 0x3eff0000 0x10000>,
|
|
<0x0 0x10000000 0x0 0x10000000 0x2eff0000>;
|
|
};
|
|
};
|
|
|
|
device-with-props-0 {
|
|
compatible = "vnd,device-with-props";
|
|
status = "okay";
|
|
foo = <1>;
|
|
bar = <2>;
|
|
};
|
|
|
|
device-with-props-1 {
|
|
compatible = "vnd,device-with-props";
|
|
status = "okay";
|
|
foo = <2>;
|
|
};
|
|
|
|
device-with-props-2 {
|
|
compatible = "vnd,device-with-props";
|
|
status = "disabled";
|
|
baz = <1>;
|
|
};
|
|
|
|
test_string_token_0: string-token-0 {
|
|
compatible = "vnd,string-token";
|
|
val = "token_zero";
|
|
};
|
|
|
|
test_string_token_1: string-token-1 {
|
|
compatible = "vnd,string-token";
|
|
val = "token_one";
|
|
};
|
|
|
|
test_string_token_2: string-token-2 {
|
|
compatible = "vnd,string-token";
|
|
val = "token_two";
|
|
};
|
|
|
|
test_str_array_token_0: string-array-token-0 {
|
|
compatible = "vnd,string-array-token";
|
|
val = "token_first_idx_zero",
|
|
"token_first_idx_one",
|
|
"token_first_idx_two";
|
|
};
|
|
|
|
test_str_array_token_1: string-array-token-1 {
|
|
compatible = "vnd,string-array-token";
|
|
val = "token_second_idx_zero",
|
|
"token_second_idx_one",
|
|
"token_second_idx_two",
|
|
"token_second_idx_three";
|
|
};
|
|
|
|
test_str_unquoted_f0: string-unquoted-f0 {
|
|
compatible = "vnd,string-unquoted";
|
|
val = "0.1234";
|
|
};
|
|
|
|
test_str_unquoted_f1: string-unquoted-f1 {
|
|
compatible = "vnd,string-unquoted";
|
|
val = "0.9e-3";
|
|
};
|
|
|
|
test_str_unquoted_t: string-unquoted-t {
|
|
compatible = "vnd,string-unquoted";
|
|
val = "XA XPLUS XB";
|
|
};
|
|
|
|
test_stra_unquoted_f0: string-array-unquoted-f0 {
|
|
compatible = "vnd,string-array-unquoted";
|
|
val = "1.0e2", "2.0e2", "3.0e2", "4.0e2";
|
|
};
|
|
|
|
test_stra_unquoted_f1: string-array-unquoted-f1 {
|
|
compatible = "vnd,string-array-unquoted";
|
|
val = "0.01", "0.1", "1.0", "10.0";
|
|
};
|
|
|
|
test_stra_unquoted_t: string-array-unquoted-t {
|
|
compatible = "vnd,string-array-unquoted";
|
|
val = "XA XPLUS XB", "XC XPLUS XD", "XA XMINUS XB", "XC XMINUS XD";
|
|
};
|
|
|
|
test_mem_ram: memory@aabbccdd {
|
|
compatible = "vnd,memory-attr";
|
|
reg = < 0xaabbccdd 0x4000 >;
|
|
zephyr,memory-attr = "RAM";
|
|
};
|
|
|
|
test_mem_ram_nocache: memory@44332211 {
|
|
compatible = "vnd,memory-attr";
|
|
reg = < 0x44332211 0x2000 >;
|
|
zephyr,memory-attr = "RAM_NOCACHE";
|
|
};
|
|
|
|
};
|
|
|
|
test_64 {
|
|
#address-cells = < 2 >;
|
|
#size-cells = < 0 >;
|
|
|
|
test_reg_64: reg-holder-64@ffffffff11223344 {
|
|
compatible = "vnd,reg-holder-64";
|
|
reg = < 0xffffffff 0x11223344>;
|
|
status = "okay";
|
|
reg-names = "test_name";
|
|
};
|
|
};
|
|
};
|