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charset=us-ascii Content-Disposition: inline In-Reply-To: <20251119154427.1033475-26-eugen.hristev@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251119_144106_753600_97DBDBE2 X-CRM114-Status: GOOD ( 18.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Nov 19, 2025 at 05:44:26PM +0200, Eugen Hristev wrote: > Add documentation for Google Kinfo Pixel reserved memory area. > > Signed-off-by: Eugen Hristev > --- > .../reserved-memory/google,kinfo.yaml | 49 +++++++++++++++++++ > MAINTAINERS | 5 ++ > 2 files changed, 54 insertions(+) > create mode 100644 Documentation/devicetree/bindings/reserved-memory/google,kinfo.yaml > > diff --git a/Documentation/devicetree/bindings/reserved-memory/google,kinfo.yaml b/Documentation/devicetree/bindings/reserved-memory/google,kinfo.yaml > new file mode 100644 > index 000000000000..12d0b2815c02 > --- /dev/null > +++ b/Documentation/devicetree/bindings/reserved-memory/google,kinfo.yaml > @@ -0,0 +1,49 @@ > +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/reserved-memory/google,kinfo.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Google Pixel Kinfo reserved memory > + > +maintainers: > + - Eugen Hristev > + > +description: > + This binding describes the Google Pixel Kinfo reserved memory, a region > + of reserved-memory used to store data for firmware/bootloader on the Pixel > + platform. The data stored is debugging information on the running kernel. > + > +properties: > + compatible: > + items: > + - const: google,kinfo > + > + memory-region: > + maxItems: 1 > + description: Reference to the reserved-memory for the data > + > +required: > + - compatible > + - memory-region > + > +additionalProperties: true > + > +examples: > + - | > + reserved-memory { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + kinfo_region: smem@fa00000 { Just put the google,kinfo (or google,debug-kinfo??) compatible here and that's it. > + reg = <0xfa00000 0x1000>; > + no-map; You don't need to access the memory? > + }; > + }; > + > + debug-kinfo { > + compatible = "google,debug-kinfo"; > + > + memory-region = <&kinfo_region>; > + };