From d5e75500ca401d3128c82c5b0dee2f9b259d5b5c Mon Sep 17 00:00:00 2001 From: Pantelis Antoniou Date: Mon, 12 Jan 2015 19:02:49 +0200 Subject: 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 Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/unittest.txt | 59 +++++++++++++++++++++++++- 1 file changed, 58 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/unittest.txt') diff --git a/Documentation/devicetree/bindings/unittest.txt b/Documentation/devicetree/bindings/unittest.txt index 0f92a22fddfa..8933211f32f9 100644 --- a/Documentation/devicetree/bindings/unittest.txt +++ b/Documentation/devicetree/bindings/unittest.txt @@ -1,4 +1,4 @@ -* OF selftest platform device +1) OF selftest platform device ** selftest @@ -12,3 +12,60 @@ Example: compatible = "selftest"; status = "okay"; }; + +2) OF selftest i2c adapter platform device + +** platform device unittest adapter + +Required properties: +- compatible: must be selftest-i2c-bus + +Children nodes contain selftest i2c devices. + +Example: + selftest-i2c-bus { + compatible = "selftest-i2c-bus"; + status = "okay"; + }; + +3) OF selftest i2c device + +** I2C selftest device + +Required properties: +- compatible: must be selftest-i2c-dev + +All other properties are optional + +Example: + selftest-i2c-dev { + compatible = "selftest-i2c-dev"; + status = "okay"; + }; + +4) OF selftest i2c mux device + +** I2C selftest mux + +Required properties: +- compatible: must be selftest-i2c-mux + +Children nodes contain selftest i2c bus nodes per channel. + +Example: + selftest-i2c-mux { + compatible = "selftest-i2c-mux"; + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + channel-0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + i2c-dev { + reg = <8>; + compatible = "selftest-i2c-dev"; + status = "okay"; + }; + }; + }; -- cgit v1.2.3