From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: [PATCH 1/2] ARM: dts: imx6sx-sdb: update TX D_CAL for USBPHY Date: Mon, 31 Oct 2016 10:58:28 +0800 Message-ID: <1477882709-2518-1-git-send-email-peter.chen@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, Peter Chen List-Id: devicetree@vger.kernel.org We need to change trimming value (as a percentage) of the 17.78mA TX reference current for better signal quality. With this change, we can patch the eye-diagram test on this board. Signed-off-by: Peter Chen --- arch/arm/boot/dts/imx6sx-sdb.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index 85f56a5..4933c56 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -317,6 +317,14 @@ status = "okay"; }; +&usbphy1 { + fsl,tx-d-cal = <106>; +}; + +&usbphy2 { + fsl,tx-d-cal = <106>; +}; + &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html