Messages in this thread | | | Date | Tue, 4 Jul 2023 13:08:01 +0200 | Subject | Re: [PATCH] arm64: dts: qcom: qdu1000: Add reserved gpio list | From | Konrad Dybcio <> |
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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 <quic_kbajaj@quicinc.com> > --- 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"; > };
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