From 747c800ac58e68cace8988b5e9b7ef26b68dd8b5 Mon Sep 17 00:00:00 2001 From: Khalid Faisal Ansari Date: Wed, 26 Aug 2026 15:29:16 +0530 Subject: [PATCH] FROMLIST: arm64: dts: qcom: shikra: Enable dTPM on EVK boards The Shikra EVK boards (CQM, CQS, IQS) carry an ST33 discrete TPM connected via SPI5. Enable the SPI controller and add the TPM node with the ST33HTPM compatible and a 20 MHz max clock. Depends-on: https://lore.kernel.org/all/20260820085347.822-1-xueyao.an@oss.qualcomm.com/ Signed-off-by: Khalid Faisal Ansari Link: https://lore.kernel.org/all/20260820-shikra_dtpm-v1-1-40d96b8238bb@oss.qualcomm.com/ --- arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts | 10 ++++++++++ arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts | 10 ++++++++++ arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts | 10 ++++++++++ 3 files changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts index 6650540ed42bb..9633ef96bf97b 100644 --- a/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts +++ b/arch/arm64/boot/dts/qcom/shikra-cqm-evk.dts @@ -709,6 +709,16 @@ }; }; +&spi5 { + status = "okay"; + + tpm@0 { + compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi"; + reg = <0>; + spi-max-frequency = <20000000>; + }; +}; + &uart8 { status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts index 852753402dcd5..3399777c2d8e0 100644 --- a/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts +++ b/arch/arm64/boot/dts/qcom/shikra-cqs-evk.dts @@ -632,6 +632,16 @@ }; }; +&spi5 { + status = "okay"; + + tpm@0 { + compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi"; + reg = <0>; + spi-max-frequency = <20000000>; + }; +}; + &uart8 { status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts index 050039ccce83b..cde5190563c55 100644 --- a/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts +++ b/arch/arm64/boot/dts/qcom/shikra-iqs-evk.dts @@ -753,6 +753,16 @@ }; }; +&spi5 { + status = "okay"; + + tpm@0 { + compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi"; + reg = <0>; + spi-max-frequency = <20000000>; + }; +}; + &uart8 { status = "okay";