From: Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
To: 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,
Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
Subject: [PATCH] arm64: dts: qcom: lemans-evk: Enable TPM (ST33)
Date: Fri, 14 Nov 2025 15:45:45 +0530 [thread overview]
Message-ID: <20251114-enable-tpm-lemans-v1-1-c8d8b580ace7@oss.qualcomm.com> (raw)
Enable ST33HTPM TPM over SPI16 on the LeMans IoT EVK by adding the
required SPI and TPM nodes.
Signed-off-by: Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
---
Hi,
As part of TPM support enablement on LeMans EVK, the following tests
were performed to verify functionality:
- TPM detected via tpm_tis_spi driver
- Verified functionality using tpm2-tools:
* tpm2_getrandom
* tpm2_rsadecrypt
* Other basic TPM oeprations
---
arch/arm64/boot/dts/qcom/lemans-evk.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c7dc9b8f4457..773893eb7673 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
@@ -655,6 +655,16 @@ &sleep_clk {
clock-frequency = <32768>;
};
+&spi16 {
+ status = "okay";
+
+ tpm@0 {
+ compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ };
+};
+
&tlmm {
ethernet0_default: ethernet0-default-state {
ethernet0_mdc: ethernet0-mdc-pins {
---
base-commit: 6fa9041b7177f6771817b95e83f6df17b147c8c6
change-id: 20251114-enable-tpm-lemans-a4ba3f36a20a
Best regards,
--
Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
next reply other threads:[~2025-11-14 10:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-14 10:15 Khalid Faisal Ansari [this message]
2025-11-14 21:59 ` Konrad Dybcio
2025-12-10 9:28 ` Khalid Faisal Ansari
2026-01-05 14:07 ` Bjorn Andersson
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