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tests: lib: devicetree: api: Add test cases for DT_CHILD_BY_REG_ADDR
Introduce test cases to the devicetree API test suite for DT_CHILD_BY_REG_ADDR and DT_INST_CHILD_BY_REG_ADDR. Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>
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3 files changed

+69
-3
lines changed

3 files changed

+69
-3
lines changed

‎dts/bindings/test/vnd,child-bindings.yaml‎

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@@ -10,6 +10,9 @@ include: [base.yaml]
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child-binding:
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description: Test child binding
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properties:
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reg:
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type: array
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required: true
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val:
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type: int
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required: true

‎tests/lib/devicetree/api/app.overlay‎

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@@ -658,18 +658,23 @@
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/* there should only be one of these */
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test_children: test-children {
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compatible = "vnd,child-bindings";
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#address-cells = <1>;
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#size-cells = <0>;
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test_child_a: child-a {
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test_child_a: child@a {
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reg = <0xa>, <100>;
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val = <0>;
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status = "okay";
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};
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test_child_b: child-b {
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test_child_b: child@b {
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reg = <0xb>, <200>;
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val = <1>;
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status = "okay";
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};
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test_child_c: child-c {
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test_child_c: child@c {
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reg = <0xc>, <300>;
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val = <2>;
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status = "disabled";
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};

‎tests/lib/devicetree/api/src/main.c‎

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Original file line numberDiff line numberDiff line change
@@ -2514,6 +2514,64 @@ ZTEST(devicetree_api, test_children)
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zassert_equal(DT_PROP(DT_INST_CHILD(0, child_a), val), 0, "");
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zassert_equal(DT_PROP(DT_INST_CHILD(0, child_b), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD(0, child_c), val), 2, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 0xa),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 10),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 0xb),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 11),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 0xc),
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val), 2, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_UNIT_ADDR(DT_NODELABEL(test_children), 12),
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val), 2, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 0xa), val), 0, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 10), val), 0, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 0xb), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 11), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 0xc), val), 2, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_UNIT_ADDR(0, 12), val), 2, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 0xa),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 10),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 0x64),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 100),
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val), 0, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 0xb),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 11),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 0xc8),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 200),
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val), 1, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 0xc),
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val), 2, "");
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zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 0, 12),
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val), 2, "");
2558+
zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 0x12c),
2559+
val), 2, "");
2560+
zassert_equal(DT_PROP(DT_CHILD_BY_REG_ADDR(DT_NODELABEL(test_children), 1, 300),
2561+
val), 2, "");
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2563+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 0xa), val), 0, "");
2564+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 10), val), 0, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 0x64), val), 0, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 100), val), 0, "");
2567+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 0xb), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 11), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 0xc8), val), 1, "");
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zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 200), val), 1, "");
2571+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 0xc), val), 2, "");
2572+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 0, 12), val), 2, "");
2573+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 0x12c), val), 2, "");
2574+
zassert_equal(DT_PROP(DT_INST_CHILD_BY_REG_ADDR(0, 1, 300), val), 2, "");
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}
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#undef DT_DRV_COMPAT

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