diff options
Diffstat (limited to 'doc/device-tree-bindings')
| -rw-r--r-- | doc/device-tree-bindings/chosen.txt | 12 | ||||
| -rw-r--r-- | doc/device-tree-bindings/regulator/regulator.txt | 4 |
2 files changed, 13 insertions, 3 deletions
diff --git a/doc/device-tree-bindings/chosen.txt b/doc/device-tree-bindings/chosen.txt index 5625d210e8..c96b8f7109 100644 --- a/doc/device-tree-bindings/chosen.txt +++ b/doc/device-tree-bindings/chosen.txt @@ -56,10 +56,20 @@ Each list element of the property should specify a device to be probed in the order they are listed: references (i.e. implicit paths), a full path or an alias is expected for each entry. +A special specifier "same-as-spl" can be used at any position in the +boot-order to direct U-Boot to insert the device the SPL was booted +from there. Whether this is indeed inserted or silently ignored (if +it is not supported on any given SoC/board or if the boot-device is +not available to continue booting from) is implementation-defined. +Note that if "same-as-spl" expands to an actual node for a given +board, the corresponding node may appear multiple times in the +boot-order (as there currently exists no mechanism to suppress +duplicates from the list). + Example ------- / { chosen { - u-boot,spl-boot-order = &sdmmc, "/sdhci@fe330000"; + u-boot,spl-boot-order = "same-as-spl", &sdmmc, "/sdhci@fe330000"; }; }; diff --git a/doc/device-tree-bindings/regulator/regulator.txt b/doc/device-tree-bindings/regulator/regulator.txt index 2cf4b9de8b..918711eb4d 100644 --- a/doc/device-tree-bindings/regulator/regulator.txt +++ b/doc/device-tree-bindings/regulator/regulator.txt @@ -10,10 +10,10 @@ pmic: drivers/power/pmic/max77686.c regulator: drivers/power/regulator/max77686.c For the node name e.g.: "prefix[:alpha:]num { ... }": -- the driver prefix should be: "prefix" or "PREFIX" - case insensitive +- the driver prefix should be: "prefix" - case sensitive - the node name's "num" is set as "dev->driver_data" on bind -Example the prefix "ldo" will pass for: "ldo1", "ldo@1", "LDO1", "LDOREG@1"... +Example the prefix "ldo" will pass for: "ldo1", "ldo@1", "ldoreg@1, ... Optional properties: - regulator-name: a string, required by the regulator uclass |