Re: [PATCH v7 01/10] dt-bindings: soc: google: add google,gs101-dtzpc
From: Peter Griffin
Date: Fri Mar 06 2026 - 10:01:49 EST
On Fri, 6 Mar 2026 at 10:29, André Draszik <andre.draszik@xxxxxxxxxx> wrote:
>
> 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) <robh@xxxxxxxxxx>
> Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
> ---
Reviewed-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> .../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-dtzpc.yaml b/Documentation/devicetree/bindings/soc/google/google,gs101-dtzpc.yaml
> 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 system.
> + It configures each area of the memory as secure or non-secure.
> +
> +maintainers:
> + - André Draszik <andre.draszik@xxxxxxxxxx>
> +
> +properties:
> + compatible:
> + const: google,gs101-dtzpc
> +
> + clocks:
> + maxItems: 1
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - clocks
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/google,gs101.h>
> +
> + dtzpc_hsi0: dtzpc@11010000 {
> + compatible = "google,gs101-dtzpc";
> + reg = <0x11010000 0x10000>;
> + clocks = <&cmu_hsi0 CLK_GOUT_HSI0_D_TZPC_HSI0_PCLK>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f0b879760b6e..611fa8fb9f8f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10883,6 +10883,7 @@ P: Documentation/process/maintainer-soc-clean-dts.rst
> 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/
>
> --
> 2.53.0.473.g4a7958ca14-goog
>