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On many boards, this supply is controlled by a jumper. The user must manually insert or remove it at the appropriate time in the programming process. However, on other boards this supply is controlled by an FPGA or a GPIO. In these cases, the driver can automatically enable and disable it as necessary. Signed-off-by: Sean Anderson Reviewed-by: Andrew Lunn --- Changes in v2: - Mention "regulator" in the description for ta-prog-sfp-supply .../devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml index 54086f50157d..c5d7375b840a 100644 --- a/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml +++ b/Documentation/devicetree/bindings/nvmem/fsl,layerscape-sfp.yaml @@ -32,6 +32,11 @@ properties: clock-names: const: sfp + ta-prog-sfp-supply: + description: + The regulator for the TA_PROG_SFP pin. It will be enabled for programming + and disabled for reading. + required: - compatible - reg