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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id p2-20020a2e93c2000000b0029477417d80sm721513ljh.85.2023.02.22.09.23.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Feb 2023 09:23:20 -0800 (PST) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski Cc: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Miquel Raynal , Michael Walle , gregkh@linuxfoundation.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, u-boot@lists.denx.de, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Rob Herring Subject: [PATCH 3/4] dt-bindings: nvmem: u-boot, env: add MAC's #nvmem-cell-cells Date: Wed, 22 Feb 2023 18:22:44 +0100 Message-Id: <20230222172245.6313-4-zajec5@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230222172245.6313-1-zajec5@gmail.com> References: <20230222172245.6313-1-zajec5@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean From: Rafał Miłecki U-Boot's "ethaddr" environment variable is very often used to store *base* MAC address. It's used as a base for calculating addresses for multiple interfaces. It's done by adding proper values. Actual offsets are picked by manufacturers and vary across devices. Signed-off-by: Rafał Miłecki Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/nvmem/u-boot,env.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml b/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml index cbc5c69fd405..36d97fb87865 100644 --- a/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml +++ b/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml @@ -50,7 +50,11 @@ properties: ethaddr: type: object - description: Ethernet interface's MAC address + description: Ethernet interfaces base MAC address. + properties: + "#nvmem-cell-cells": + description: The first argument is a MAC address offset. + const: 1 additionalProperties: false @@ -72,6 +76,7 @@ examples: reg = <0x40000 0x10000>; mac: ethaddr { + #nvmem-cell-cells = <1>; }; }; };