Devicetree
 help / color / mirror / Atom feed
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 v5 2/2] arm64: dts: qcom: shikra: enable ST33 TPM
Date: Thu, 03 Sep 2026 12:48:54 +0530	[thread overview]
Message-ID: <20260903-shikra-dtpm-v5-2-e8ea3ac8a135@oss.qualcomm.com> (raw)
In-Reply-To: <20260903-shikra-dtpm-v5-0-e8ea3ac8a135@oss.qualcomm.com>

Enable ST33HTPM TPM over SPI5 on the Shikra IoT EVK by adding the
required SPI and TPM nodes.

Signed-off-by: Khalid Faisal Ansari <khalid.ansari@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/shikra-evk.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/shikra-evk.dtsi b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
index 6eb4184f7642..c073e45781a6 100644
--- a/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
+++ b/arch/arm64/boot/dts/qcom/shikra-evk.dtsi
@@ -9,6 +9,16 @@ &qupv3_0 {
 	status = "okay";
 };
 
+&spi5 {
+	status = "okay";
+
+	tpm@0 {
+		compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
+		reg = <0>;
+		spi-max-frequency = <20000000>;
+	};
+};
+
 &uart0 {
 	status = "okay";
 };

-- 
2.34.1


  parent reply	other threads:[~2026-09-03  7:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03  7:18 [PATCH v5 0/2] arm64: dts: qcom: shikra: enable ST33 TPM support Khalid Faisal Ansari
2026-09-03  7:18 ` [PATCH v5 1/2] arm64: dts: qcom: shikra: unreserve GPIOs 14-17 Khalid Faisal Ansari
2026-09-03  7:48   ` Abel Vesa
2026-09-03  7:18 ` Khalid Faisal Ansari [this message]
2026-09-03  7:49   ` [PATCH v5 2/2] arm64: dts: qcom: shikra: enable ST33 TPM Abel Vesa
2026-09-03  8:01   ` Konrad Dybcio

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260903-shikra-dtpm-v5-2-e8ea3ac8a135@oss.qualcomm.com \
    --to=khalid.ansari@oss.qualcomm.com \
    --cc=andersson@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=konradybcio@kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox