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Mon, 21 Sep 2026 04:01:05 -0700 (PDT) Date: Mon, 21 Sep 2026 12:00:50 +0100 In-Reply-To: <20260921110050.3977591-1-vdonnefort@google.com> Mime-Version: 1.0 References: <20260921110050.3977591-1-vdonnefort@google.com> X-Mailer: git-send-email 2.55.0.1082.g2b9226bbc0-goog Message-ID: <20260921110050.3977591-9-vdonnefort@google.com> Subject: [PATCH v2 8/8] dt-bindings: firmware: optee: Add memory-region property From: Vincent Donnefort To: catalin.marinas@arm.com, will@kernel.org, rppt@kernel.org, akpm@linux-foundation.org, sudeep.holla@kernel.org, jenswi@kernel.org, robh@kernel.org Cc: mark.rutland@arm.com, sumit.garg@kernel.org, ardb@kernel.org, thierry.reding@kernel.org, david@kernel.org, danielmentz@google.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, op-tee@lists.trustedfirmware.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Donnefort Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260921_120108_059928_31B89FE9 X-CRM114-Status: UNSURE ( 9.36 ) X-CRM114-Notice: Please train this message. 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 Allow reserved-memory via memory-region to support the arm,ffa-lend-pool. Signed-off-by: Vincent Donnefort --- .../devicetree/bindings/arm/firmware/linaro,optee-tz.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml index 26ebcf4565f3..7fddea9cfdbc 100644 --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml @@ -41,6 +41,11 @@ properties: HVC #0, register assignments register assignments are specified in drivers/tee/optee/optee_smc.h + memory-region: + maxItems: 1 + description: | + Phandle to a reserved-memory node for the OP-TEE lend pool. + required: - compatible - method -- 2.55.0.1082.g2b9226bbc0-goog