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b=J6nhLkGsqbguAOhXecSgsGeAmS5FWmPuncCmtlhyfugKFhj4ajks8EEEfm6I2n12s 85/HMv7UNfckOzrYLWFGN/4fh4McgSbveXPT+BX03o5hwYrHo0CYjzXgVlHoizRmGs LGEksWxWWBPskpE2YaglnX9OvbYv+b/szfG0L2Rn6QZLkdBClnHgBLwmj0AV0h9kpF GnF2Iz17WrlWEXzyOJ/+EYr0lHQ+YjV05Tv0b8MgPMAMGAruWq//Vua0vm5rzYpZ94 we/VjSi2R1VClnL6MFdBCDa5FeDqPAzHpO007LFlJm0v43VqS+K5TWrpVO4vV/gCVO I0T2b/JvorY+Q== Date: Wed, 19 Nov 2025 16:41:04 -0600 From: Rob Herring To: Eugen Hristev Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com, tudor.ambarus@linaro.org, mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arch@vger.kernel.org, tony.luck@intel.com, kees@kernel.org Subject: Re: [PATCH 25/26] dt-bindings: reserved-memory: Add Google Kinfo Pixel reserved memory Message-ID: <20251119224104.GA3371358-robh@kernel.org> References: <20251119154427.1033475-1-eugen.hristev@linaro.org> <20251119154427.1033475-26-eugen.hristev@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251119154427.1033475-26-eugen.hristev@linaro.org> X-Stat-Signature: cj6ie88pbhr47f1bs6pk6uxxnn59quqk X-Rspam-User: X-Rspamd-Queue-Id: 9BADF1C0003 X-Rspamd-Server: rspam10 X-HE-Tag: 1763592067-367094 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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>; > + };