diff options
Diffstat (limited to 'Documentation/devicetree/bindings/barebox/aliases.rst')
| -rw-r--r-- | Documentation/devicetree/bindings/barebox/aliases.rst | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Documentation/devicetree/bindings/barebox/aliases.rst b/Documentation/devicetree/bindings/barebox/aliases.rst index 527cc85ef6..2848a88f15 100644 --- a/Documentation/devicetree/bindings/barebox/aliases.rst +++ b/Documentation/devicetree/bindings/barebox/aliases.rst @@ -2,9 +2,10 @@ barebox DT aliases ================== barebox can use the properties in the ``/aliases`` node to arrive -at deterministic names for devices, e.g.:: +at deterministic names for devices, e.g.: .. code-block:: none + / { aliases { mmc0 = &sdhci; @@ -18,17 +19,22 @@ probing the node at ``&iwdg`` will be named ``wdog0``. By default, barebox will assume the aliases in the DT to align with the bootsource communicated by the firmware. If this is not the case, -a device tree override is possible via an -``/aliases/barebox,bootsource-${bootsource}${bootsource_instance}`` +a device tree override is possible via a +``/chosen/barebox,bootsource-${bootsource}${bootsource_instance}`` property: .. code-block:: none - &{/aliases} { - mmc0 = &sdmmc0; - mmc1 = &sdhci; - barebox,bootsource-mmc0 = &sdhci; - barebox,bootsource-mmc1 = &sdmmc0; + / { + aliases { + mmc0 = &sdmmc0; + mmc1 = &sdhci; + }; + + chosen { + barebox,bootsource-mmc0 = &sdhci; + barebox,bootsource-mmc1 = &sdmmc0; + }; }; This will ensure that when booting from MMC, ``/dev/mmc${bootsource_instance}`` |