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[67.165.113.11]) by smtp.gmail.com with ESMTPSA id c19sm18299294pfc.144.2019.12.09.08.50.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Dec 2019 08:50:44 -0800 (PST) From: Andrey Smirnov To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Mon, 9 Dec 2019 08:50:18 -0800 Message-Id: <20191209165018.21794-3-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191209165018.21794-1-andrew.smirnov@gmail.com> References: <20191209165018.21794-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191209_085046_679800_B31FEFB5 X-CRM114-Status: GOOD ( 10.45 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (andrew.smirnov[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Smirnov , Shawn Guo , linux-kernel@vger.kernel.org, Fabio Estevam , Chris Healy , Lucas Stach Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Cabling used to connect devices to USBH1 on RDU2 does not meet USB spec cable quality and cable length requirements to operate at High Speed, so limit the port to Full Speed only. Reported-by: Chris Healy Reviewed-by: Chris Healy Reviewed-by: Lucas Stach Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index d062c86e0762..ca0b81c41998 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -890,6 +890,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; };