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Fri, 25 Jan 2019 04:55:38 -0800 (PST) From: Carlo Caione To: andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, aisheng.dong@nxp.com, abailon@baylibre.com Subject: [PATCH 2/3] dt-bindings: net: at803x: Document at803x, smarteee-disabled property Date: Fri, 25 Jan 2019 12:55:12 +0000 Message-Id: <20190125125513.23656-3-ccaione@baylibre.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190125125513.23656-1-ccaione@baylibre.com> References: <20190125125513.23656-1-ccaione@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190125_045541_364025_01BA499A X-CRM114-Status: GOOD ( 11.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Carlo Caione Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP SmartEEE is a proprietary protocol that allows legacy MAC/SoC devices without 802.3az support to function as a complete 802.3az system. This is know to cause issues so a new property is added to optionally disable this feature. Signed-off-by: Carlo Caione --- .../devicetree/bindings/net/at803x.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/at803x.txt diff --git a/Documentation/devicetree/bindings/net/at803x.txt b/Documentation/devicetree/bindings/net/at803x.txt new file mode 100644 index 000000000000..931cb34534fb --- /dev/null +++ b/Documentation/devicetree/bindings/net/at803x.txt @@ -0,0 +1,18 @@ +* Atheros AR803x Integrated 10/100/1000 Mbps Ethernet Transceiver + +Required properties: + - reg - The ID number for the phy, usually a small integer + +Optional property: + - at803x,smarteee-disabled: Disable SmartEEE feature + +Example: + + ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + at803x,smarteee-disabled + }; + +Datasheet can be found: +https://media.digikey.com/pdf/Data%20Sheets/CSR%20PDFs/AR8031_DS_(Atheros)_Rev1.0_Aug2011.pdf