linux-kernel - Re: [PATCH v2 3/9] dt-bindings: nvmem: sfp: Add TA_PROG

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Message-ID: <YmLDb7SYtCX6Cjc7@lunn.ch>
Date:   Fri, 22 Apr 2022 17:02:07 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Sean Anderson <sean.anderson@...o.com>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Li Yang <leoyang.li@....com>, Michael Walle <michael@...le.cc>
Subject: Re: [PATCH v2 3/9] dt-bindings: nvmem: sfp: Add TA_PROG_SFP supply

On Fri, Apr 22, 2022 at 10:51:41AM -0400, Sean Anderson wrote:
> 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@...o.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew