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([2a02:810d:15c0:828:7ede:fc7b:2328:3883]) by smtp.gmail.com with ESMTPSA id k10-20020a1709067aca00b0096a1ba4e0d1sm3386641ejo.32.2023.05.11.23.54.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 May 2023 23:54:37 -0700 (PDT) Message-ID: <7e8d0945-dfa9-7f61-b075-679e8a89ded9@linaro.org> Date: Fri, 12 May 2023 08:54:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH net-next v4 1/2] dt-bindings: arm: mediatek: add mediatek,boottrap binding Content-Language: en-US To: Andrew Lunn , Daniel Golle Cc: devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , AngeloGioacchino Del Regno , Qingfang Deng , SkyLake Huang , Simon Horman References: <55f8ac31-d81d-43de-8877-6a7fac2d37b4@lunn.ch> From: Krzysztof Kozlowski In-Reply-To: <55f8ac31-d81d-43de-8877-6a7fac2d37b4@lunn.ch> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/05/2023 17:53, Andrew Lunn wrote: > On Thu, May 11, 2023 at 04:10:20PM +0200, Daniel Golle wrote: >> The boottrap is used to read implementation details from the SoC, such >> as the polarity of LED pins. Add bindings for it as we are going to use >> it for the LEDs connected to MediaTek built-in 1GE PHYs. > > What exactly is it? Fuses? Is it memory mapped, or does it need a > driver to access it? How is it shared between its different users? Yes, looks like some efuse/OTP/nvmem, so it should probably use nvmem bindings and do not look different than other in such class. Best regards, Krzysztof