Messages in this thread Patch in this message | | | From | Alexander Stein <> | Subject | [PATCH v2 1/2] dt-bindings: mtd: spi-nor: Add output-driver-strength property | Date | Tue, 12 Oct 2021 08:17:03 +0200 |
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This property is for optimizing output voltage impedance and is specific to each board. It overwrites the default set by the flash device. Various flash devices support different impedances.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- Changes in v2: * Updated the property description and the commit message accordingly
Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml index ed590d7c6e37..4c3c506a8853 100644 --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml @@ -72,6 +72,14 @@ properties: be used on such systems, to denote the absence of a reliable reset mechanism. + output-driver-strength: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Output driver strength in ohms which optimizes the impedance at Vcc/2 + output voltage. This property overwrites the default set by the flash + device. This is board specific and should be determined by the + manufacturer. Various flash devices support different impedances. + label: true partitions: -- 2.25.1
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