of: unitest: Add I2C overlay unit tests.
Introduce I2C device tree overlay tests.
Tests insertion and removal of i2c adapters, i2c devices, and muxes.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/drivers/of/unittest-data/tests-overlay.dtsi b/drivers/of/unittest-data/tests-overlay.dtsi
index a2b687d..244226c 100644
--- a/drivers/of/unittest-data/tests-overlay.dtsi
+++ b/drivers/of/unittest-data/tests-overlay.dtsi
@@ -68,6 +68,48 @@
status = "disabled";
reg = <8>;
};
+
+ i2c-test-bus {
+ compatible = "selftest-i2c-bus";
+ status = "okay";
+ reg = <50>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ test-selftest12 {
+ reg = <8>;
+ compatible = "selftest-i2c-dev";
+ status = "disabled";
+ };
+
+ test-selftest13 {
+ reg = <9>;
+ compatible = "selftest-i2c-dev";
+ status = "okay";
+ };
+
+ test-selftest14 {
+ reg = <10>;
+ compatible = "selftest-i2c-mux";
+ status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ test-mux-dev {
+ reg = <32>;
+ compatible = "selftest-i2c-dev";
+ status = "okay";
+ };
+ };
+ };
+ };
};
};
@@ -231,5 +273,57 @@
};
};
};
+
+ /* test enable using absolute target path (i2c) */
+ overlay12 {
+ fragment@0 {
+ target-path = "/testcase-data/overlay-node/test-bus/i2c-test-bus/test-selftest12";
+ __overlay__ {
+ status = "okay";
+ };
+ };
+ };
+
+ /* test disable using absolute target path (i2c) */
+ overlay13 {
+ fragment@0 {
+ target-path = "/testcase-data/overlay-node/test-bus/i2c-test-bus/test-selftest13";
+ __overlay__ {
+ status = "disabled";
+ };
+ };
+ };
+
+ /* test mux overlay */
+ overlay15 {
+ fragment@0 {
+ target-path = "/testcase-data/overlay-node/test-bus/i2c-test-bus";
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ test-selftest15 {
+ reg = <11>;
+ compatible = "selftest-i2c-mux";
+ status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ test-mux-dev {
+ reg = <32>;
+ compatible = "selftest-i2c-dev";
+ status = "okay";
+ };
+ };
+ };
+ };
+ };
+ };
+
};
};