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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Andrew Lunn --- (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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel