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[34.91.210.221]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b97f173a3e3sm226989566b.61.2026.03.18.08.27.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2026 08:27:58 -0700 (PDT) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Wed, 18 Mar 2026 15:27:46 +0000 Subject: [PATCH v8 01/10] dt-bindings: soc: google: add google,gs101-dtzpc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260318-gs101-pd-v8-1-241523460b10@linaro.org> References: <20260318-gs101-pd-v8-0-241523460b10@linaro.org> In-Reply-To: <20260318-gs101-pd-v8-0-241523460b10@linaro.org> To: Krzysztof Kozlowski , Alim Akhtar , Rob Herring , Conor Dooley , Krzysztof Kozlowski , Ulf Hansson , Liam Girdwood , Mark Brown Cc: Peter Griffin , Tudor Ambarus , Juan Yescas , Will McVicker , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.3 The Exynos Distributed TruztZone Protection Control (D_TZPC) provides an interface to the protection bits that are included in the TrustZone design in a secure system. It configures each area of the memory as secure or non-secure. Reviewed-by: Rob Herring (Arm) Signed-off-by: Andr=C3=A9 Draszik --- .../bindings/soc/google/google,gs101-dtzpc.yaml | 42 ++++++++++++++++++= ++++ MAINTAINERS | 1 + 2 files changed, 43 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/google/google,gs101-dtzp= c.yaml b/Documentation/devicetree/bindings/soc/google/google,gs101-dtzpc.ya= ml new file mode 100644 index 000000000000..a8c61ce069d6 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/google/google,gs101-dtzpc.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/google/google,gs101-dtzpc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos Distributed TruztZone Protection Control. + +description: + Distributed TrustZone Protection Control (D_TZPC) provides an interface = to the + protection bits that are included in the TrustZone design in a secure sy= stem. + It configures each area of the memory as secure or non-secure. + +maintainers: + - Andr=C3=A9 Draszik + +properties: + compatible: + const: google,gs101-dtzpc + + clocks: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - reg + +additionalProperties: false + +examples: + - | + #include + + dtzpc_hsi0: dtzpc@11010000 { + compatible =3D "google,gs101-dtzpc"; + reg =3D <0x11010000 0x10000>; + clocks =3D <&cmu_hsi0 CLK_GOUT_HSI0_D_TZPC_HSI0_PCLK>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 6358dd7f1632..e8376343935f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10905,6 +10905,7 @@ P: Documentation/process/maintainer-soc-clean-dts.r= st C: irc://irc.oftc.net/pixel6-kernel-dev F: Documentation/devicetree/bindings/clock/google,gs101-clock.yaml F: Documentation/devicetree/bindings/phy/google,lga-usb-phy.yaml +F: Documentation/devicetree/bindings/soc/google/google,gs101-dtzpc.yaml F: Documentation/devicetree/bindings/soc/google/google,gs101-pmu-intr-gen.= yaml F: Documentation/devicetree/bindings/usb/google,lga-dwc3.yaml F: arch/arm64/boot/dts/exynos/google/ --=20 2.53.0.851.ga537e3e6e9-goog