Messages in this thread Patch in this message | | | From | Aapo Vienamo <> | Subject | [PATCH v2 02/10] dt-bindings: mmc: tegra: Add nvidia,only-1-8-v property | Date | Thu, 26 Jul 2018 15:19:12 +0300 |
| |
Add a property to mark controllers which operate at a 1.8 V fixed I/O voltage.
This feature of the hardware needs to be signaled this way because it cannot be probed at runtime or reliably derived from other properties.
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com> --- Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt index 90c214d..95010cf 100644 --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt @@ -45,6 +45,8 @@ Optional properties for Tegra210 and Tegra186: for controllers supporting multiple voltage levels. The order of names should correspond to the pin configuration states in pinctrl-0 and pinctrl-1. +- nvidia,only-1-8-v : The presence of this property indicates that the + controller operates at a 1.8 V fixed I/O voltage. Example: sdhci@700b0000 { -- 2.7.4
| |