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[212.182.62.129]) by smtp.gmail.com with ESMTPSA id u12-20020a196a0c000000b0050e64b558fbsm242640lfu.79.2024.01.11.09.00.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Jan 2024 09:00:26 -0800 (PST) Message-ID: <77b36608-4fca-48e4-beb1-c31cf4579b7b@linaro.org> Date: Thu, 11 Jan 2024 18:00:24 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] arm64: dts: qcom: sm8650-mtp: add gpio74 as reserved gpio Content-Language: en-US To: Neil Armstrong , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Georgi Djakov References: <20240111-topic-sm8650-upstream-qrd-fix-gpio-reserved-v1-0-fad39b4c5def@linaro.org> <20240111-topic-sm8650-upstream-qrd-fix-gpio-reserved-v1-2-fad39b4c5def@linaro.org> From: Konrad Dybcio In-Reply-To: <20240111-topic-sm8650-upstream-qrd-fix-gpio-reserved-v1-2-fad39b4c5def@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/11/24 17:58, Neil Armstrong wrote: > The TLMM gpio74 is also used to communicate with the secure NFC > on-board module, some variants of the SM8650-MTP board requires > this GPIO to be dedicated to the secure firmware and set reserved > in order to successfully initialize the TLMM GPIOs from HLOS (Linux). > On the other boards this GPIO is unused so it's still safe to mark > the GPIO as reserved. > > Fixes: 6fbdb3c1fac7 ("arm64: dts: qcom: sm8650: add initial SM8650 MTP dts") > Reported-by: Georgi Djakov > Signed-off-by: Neil Armstrong > --- Reviewed-by: Konrad Dybcio Konrad