The TA_PROG_SFP supply must be enabled to program the fuses, and
disabled to read the fuses (such as at power-on-reset). 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 <sean.anderson@xxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
(no changes since v2)
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
--
2.35.1.1320.gc452695387.dirty
