From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/2] arm64: dts: qcom: shikra: unreserve GPIOs 14-17
Date: Wed, 26 Aug 2026 11:11:04 +0200 [thread overview]
Message-ID: <82fab943-2994-417c-929c-7c416386adbb@oss.qualcomm.com> (raw)
In-Reply-To: <20260826-shikra-dtpm-v4-1-8476223184de@oss.qualcomm.com>
On 8/25/26 9:13 PM, Khalid Faisal Ansari wrote:
> GPIOs 14-17 were previously reserved in the tlmm gpio-reserved-ranges,
> preventing Linux from accessing SPI5. Removing them from the reserved
> list across all three Shikra EVK variants (CQM, CQS, IQS) enables it
> for dTPM usecase.
>
> Signed-off-by: Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi | 1 -
> arch/arm64/boot/dts/qcom/shikra-iqs-som.dtsi | 1 -
> 2 files changed, 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi b/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi
> index 8ac42ff625a0..fde7fc035bf5 100644
> --- a/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi
> +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-som.dtsi
> @@ -197,7 +197,6 @@ pm4125_l22: l22 {
>
> &tlmm {
> gpio-reserved-ranges = <6 4>, /* Fingerprint SPI */
> - <14 4>, /* eSE SPI */
Is this bus going to be concurrently accessed by TZ?
Konrad
next prev parent reply other threads:[~2026-08-26 9:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-25 19:13 [PATCH v4 0/2] arm64: dts: qcom: shikra: enable ST33 TPM support Khalid Faisal Ansari
2026-08-25 19:13 ` [PATCH v4 1/2] arm64: dts: qcom: shikra: unreserve GPIOs 14-17 Khalid Faisal Ansari
2026-08-26 9:10 ` Konrad Dybcio
2026-08-26 9:11 ` Konrad Dybcio [this message]
2026-08-26 11:12 ` Khalid Faisal Ansari
2026-08-25 19:13 ` [PATCH v4 2/2] arm64: dts: qcom: shikra: enable ST33 TPM Khalid Faisal Ansari
2026-08-26 9:11 ` Konrad Dybcio
2026-08-26 11:29 ` Khalid Faisal Ansari
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