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[83.9.29.26]) by smtp.gmail.com with ESMTPSA id z6-20020ac25de6000000b004f86aef886asm5050344lfq.54.2023.07.04.04.08.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Jul 2023 04:08:03 -0700 (PDT) Message-ID: <1c6bebd3-6799-5df5-fa46-25e1b7cfd60a@linaro.org> Date: Tue, 4 Jul 2023 13:08:01 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH] arm64: dts: qcom: qdu1000: Add reserved gpio list To: Komal Bajaj , agross@kernel.org, andersson@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230704102224.25052-1-quic_kbajaj@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20230704102224.25052-1-quic_kbajaj@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 4.07.2023 12:22, Komal Bajaj wrote: > Add reserved gpio list for QDU1000 and QRU1000 SoCs > which will not be used by HLOS. > > Signed-off-by: Komal Bajaj > --- Generally such changes to board files are split into per-board commits. Can you explain why these GPIOs will be inaccessible? Some secure I2C peripheral, I'd guess? Konrad > arch/arm64/boot/dts/qcom/qdu1000-idp.dts | 4 ++++ > arch/arm64/boot/dts/qcom/qru1000-idp.dts | 4 ++++ > 2 files changed, 8 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts > index 1d22f87fd238..0496e87ddfd5 100644 > --- a/arch/arm64/boot/dts/qcom/qdu1000-idp.dts > +++ b/arch/arm64/boot/dts/qcom/qdu1000-idp.dts > @@ -471,6 +471,10 @@ &sdhc { > status = "okay"; > }; > > +&tlmm { > + gpio-reserved-ranges = <28 2>; > +}; > + > &uart7 { > status = "okay"; > }; > diff --git a/arch/arm64/boot/dts/qcom/qru1000-idp.dts b/arch/arm64/boot/dts/qcom/qru1000-idp.dts > index 2cc893ae4d10..80dadd2f30a3 100644 > --- a/arch/arm64/boot/dts/qcom/qru1000-idp.dts > +++ b/arch/arm64/boot/dts/qcom/qru1000-idp.dts > @@ -448,6 +448,10 @@ &qupv3_id_0 { > status = "okay"; > }; > > +&tlmm { > + gpio-reserved-ranges = <28 2>; > +}; > + > &uart7 { > status = "okay"; > };