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([82.76.24.202]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b53dea1c9sm38765632f8f.0.2025.11.19.07.45.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 07:46:00 -0800 (PST) From: Eugen Hristev To: 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 Cc: 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, Eugen Hristev Subject: [PATCH 25/26] dt-bindings: reserved-memory: Add Google Kinfo Pixel reserved memory Date: Wed, 19 Nov 2025 17:44:26 +0200 Message-ID: <20251119154427.1033475-26-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251119154427.1033475-1-eugen.hristev@linaro.org> References: <20251119154427.1033475-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 { + reg = <0xfa00000 0x1000>; + no-map; + }; + }; + + debug-kinfo { + compatible = "google,debug-kinfo"; + + memory-region = <&kinfo_region>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 2cb2cc427c90..8034940d0b1e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16164,6 +16164,11 @@ F: Documentation/dev-tools/meminspect.rst F: include/linux/meminspect.h F: kernel/meminspect/* +MEMINSPECT KINFO DRIVER +M: Eugen Hristev +S: Maintained +F: Documentation/devicetree/bindings/misc/google,kinfo.yaml + MEMBLOCK AND MEMORY MANAGEMENT INITIALIZATION M: Mike Rapoport L: linux-mm@kvack.org -- 2.43.0