From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.chen@nxp.com (Peter Chen) Date: Mon, 31 Oct 2016 10:58:29 +0800 Subject: [PATCH 2/2] ARM: dts: imx6ul-14x14-evk: update TX D_CAL for USBPHY In-Reply-To: <1477882709-2518-1-git-send-email-peter.chen@nxp.com> References: <1477882709-2518-1-git-send-email-peter.chen@nxp.com> Message-ID: <1477882709-2518-2-git-send-email-peter.chen@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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/imx6ul-14x14-evk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts index 53f0cf8..1867c69 100644 --- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts +++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts @@ -233,6 +233,14 @@ status = "okay"; }; +&usbphy1 { + fsl,tx-d-cal = <106>; +}; + +&usbphy2 { + fsl,tx-d-cal = <106>; +}; + &usdhc1 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc1>; -- 2.7.4