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Mon, 13 Jul 2020 10:05:44 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id b6sm493310iow.35.2020.07.13.10.05.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2020 10:05:44 -0700 (PDT) Received: (nullmailer pid 390110 invoked by uid 1000); Mon, 13 Jul 2020 17:05:42 -0000 Date: Mon, 13 Jul 2020 11:05:42 -0600 From: Rob Herring To: Benjamin Gaignard Subject: Re: [PATCH v4 3/5] dt-bindings: bus: Add STM32 ETZPC firewall controller Message-ID: <20200713170542.GA384390@bogus> References: <20200701132523.32533-1-benjamin.gaignard@st.com> <20200701132523.32533-4-benjamin.gaignard@st.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200701132523.32533-4-benjamin.gaignard@st.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200713_130546_042763_2C41F405 X-CRM114-Status: GOOD ( 15.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alexandre.torgue@st.com, gregkh@linuxfoundation.org, linus.walleij@linaro.org, linux-kernel@vger.kernel.org, tomase@xilinx.com, mcoquelin.stm32@gmail.com, stefano.stabellini@xilinx.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 01, 2020 at 03:25:21PM +0200, Benjamin Gaignard wrote: > Document STM32 ETZPC firewall controller bindings > > Signed-off-by: Benjamin Gaignard > --- > .../bindings/bus/stm32/st,stm32-etzpc.yaml | 46 ++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > create mode 100644 Documentation/devicetree/bindings/bus/stm32/st,stm32-etzpc.yaml > > diff --git a/Documentation/devicetree/bindings/bus/stm32/st,stm32-etzpc.yaml b/Documentation/devicetree/bindings/bus/stm32/st,stm32-etzpc.yaml > new file mode 100644 > index 000000000000..d92865fda40c > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/stm32/st,stm32-etzpc.yaml > @@ -0,0 +1,46 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bus/stm32/st,stm32-etzpc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: STM32 Extended TrustZone Protection controller > + > +maintainers: > + - Benjamin Gaignard > + > +description: STMicroelectronics's STM32 firewall bus controller implementation > + > +allOf: > + - $ref: "firewall-provider.yaml#" > + - $ref: /schemas/simple-bus.yaml# Your bus has controls/setup, it's not a simple-bus. Do you expect an old kernel or one with support for "st,stm32-etzpc-bus" disabled to work? How's it going to know if certain nodes can't be accessed without that support? > + > +properties: > + compatible: > + contains: > + enum: > + - st,stm32-etzpc-bus > + > + reg: > + maxItems: 1 > + > + '#firewall-cells': > + const: 2 > + > +required: > + - compatible > + - reg > + - '#firewall-cells' > + > +examples: > + - | > + soc@5c007000 { > + compatible = "st,stm32-etzpc-bus", "simple-bus"; > + reg = <0x5c007000 0x400>; > + #firewall-cells = <2>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + }; > + > +... > -- > 2.15.0 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel