From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Griffin Subject: [PATCH v3 1/6] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Date: Fri, 28 Aug 2015 18:52:37 +0100 Message-ID: <1440784362-31217-2-git-send-email-peter.griffin@linaro.org> References: <1440784362-31217-1-git-send-email-peter.griffin@linaro.org> Return-path: In-Reply-To: <1440784362-31217-1-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, srinivas.kandagatla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, maxime.coquelin-qxv4g6HH51o@public.gmane.org, patrice.chotard-qxv4g6HH51o@public.gmane.org, mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org Cc: peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, valentinrothberg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, hugues.fruchet-qxv4g6HH51o@public.gmane.org List-Id: devicetree@vger.kernel.org Adding these properties makes the I2C bus to the demodulators much more reliable, and we no longer suffer from I2C errors when tuning. Signed-off-by: Peter Griffin Acked-by: Lee Jones --- arch/arm/boot/dts/stihxxx-b2120.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stihxxx-b2120.dtsi b/arch/arm/boot/dts/stihxxx-b2120.dtsi index f589fe4..62994ae 100644 --- a/arch/arm/boot/dts/stihxxx-b2120.dtsi +++ b/arch/arm/boot/dts/stihxxx-b2120.dtsi @@ -27,12 +27,18 @@ }; }; - i2c@9842000 { + ssc2: i2c@9842000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; - i2c@9843000 { + ssc3: i2c@9843000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; i2c@9844000 { -- 1.9.1 -- 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