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Tue, 24 Jan 2023 00:36:14 -0800 (PST) Message-ID: <3fdf9e1d-456a-c538-89b6-82b299aabd48@linaro.org> Date: Tue, 24 Jan 2023 09:36:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.0 Subject: Re: [PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support Content-Language: en-US To: Devi Priya , agross@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, catalin.marinas@arm.com, will@kernel.org, p.zabel@pengutronix.de, shawnguo@kernel.org, arnd@arndb.de, marcel.ziswiler@toradex.com, dmitry.baryshkov@linaro.org, nfraprado@collabora.com, broonie@kernel.org, tdas@codeaurora.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: quic_srichara@quicinc.com, quic_gokulsri@quicinc.com, quic_sjaganat@quicinc.com, quic_kathirav@quicinc.com, quic_arajkuma@quicinc.com, quic_anusha@quicinc.com, quic_poovendh@quicinc.com References: <20230110121316.24892-1-quic_devipriy@quicinc.com> <20230110121316.24892-7-quic_devipriy@quicinc.com> <7f157b73-f856-04d2-1b39-e1f8861d0439@quicinc.com> <84aa79c3-b793-0d0e-d6a5-035aff5a17b4@linaro.org> <278a2e6e-69e0-81b0-f476-571edea950ff@quicinc.com> From: Krzysztof Kozlowski In-Reply-To: <278a2e6e-69e0-81b0-f476-571edea950ff@quicinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230124_003617_410354_31FF12DF X-CRM114-Status: GOOD ( 10.88 ) 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 On 24/01/2023 08:19, Devi Priya wrote: >>>>> + gpio-ranges = <&tlmm 0 0 65>; >>>>> + gpio-reserved-ranges = <59 1>; >>>> >>>> Hm, why reserved ranges are in SoC? >>> As the gpio is forbidden on all ipq9574 boards, we have added it in SoC >> >> Why it is forbidden on all boards? I guess it depends on the firmware >> and this can differ, can't it? >> > This GPIO is protected and used by the TZ firmware and is forbidden on > all the boards & firmware OK Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel