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Thu, 25 Jun 2020 04:18:57 -0700 (PDT) From: Fabio Estevam To: shawnguo@kernel.org Subject: [PATCH v2 1/2] ARM: dts: imx6q-tbs2910: Pass phy-reset-duration Date: Thu, 25 Jun 2020 08:18:45 -0300 Message-Id: <20200625111846.9507-1-festevam@gmail.com> X-Mailer: git-send-email 2.17.1 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: smoch@web.de, Fabio Estevam , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to the AR8035 datasheet: "When using crystal, the clock is generated internally after power is stable. For a reliable power on reset, suggest to keep asserting the reset low long enough (10ms) to ensure the clock is stable and clock-to-reset 1ms requirement is satisfied." Pass the 'phy-reset-duration' property to meet such requirement. Signed-off-by: Fabio Estevam --- Changes since v1: - None. arch/arm/boot/dts/imx6q-tbs2910.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6q-tbs2910.dts b/arch/arm/boot/dts/imx6q-tbs2910.dts index bfff87ce2e1f..7b03b2787430 100644 --- a/arch/arm/boot/dts/imx6q-tbs2910.dts +++ b/arch/arm/boot/dts/imx6q-tbs2910.dts @@ -100,6 +100,7 @@ pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; + phy-reset-duration = <10>; status = "okay"; }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel