diff options
| author | Alex Marginean | 2019-07-12 10:13:53 +0300 |
|---|---|---|
| committer | Joe Hershberger | 2019-07-18 16:37:13 -0500 |
| commit | c3d9f3f899038e21a66e1e4a685abc0a5a1d5d9c (patch) | |
| tree | 241f0f7fda642a91bbf1676b0a6a5085e3159715 /arch | |
| parent | b47edf8069cc9fbac8bcb96a1e519c2fbcda7911 (diff) | |
test: dm: add a test for MDIO MUX DM uclass
Adds a test using a makeshift MDIO MUX. The test is based on the existing
MDIO test. It uses the last emulated PHY register to verify MUX selection.
Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sandbox/dts/test.dts | 23 |
2 files changed, 23 insertions, 1 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index a946af816f2..949eb28dfad 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -125,6 +125,7 @@ config SANDBOX imply PCH imply PHYLIB imply DM_MDIO + imply DM_MDIO_MUX config SH bool "SuperH architecture" diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 531c1afc973..a0856764f6a 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -824,7 +824,28 @@ dma-names = "m2m", "tx0", "rx0"; }; - mdio-test { + /* + * keep mdio-mux ahead of mdio so that the mux is removed first at the + * end of the test. If parent mdio is removed first, clean-up of the + * mux will trigger a 2nd probe of parent-mdio, leaving parent-mdio + * active at the end of the test. That it turn doesn't allow the mdio + * class to be destroyed, triggering an error. + */ + mdio-mux-test { + compatible = "sandbox,mdio-mux"; + #address-cells = <1>; + #size-cells = <0>; + mdio-parent-bus = <&mdio>; + + mdio-ch-test@0 { + reg = <0>; + }; + mdio-ch-test@1 { + reg = <1>; + }; + }; + + mdio: mdio-test { compatible = "sandbox,mdio"; }; }; |