From: Peter Griffin <peter.griffin@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, mchehab@osg.samsung.com Cc: peter.griffin@linaro.org, lee.jones@linaro.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, valentinrothberg@gmail.com, hugues.fruchet@st.com Subject: [PATCH v4 1/6] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Date: Tue, 1 Sep 2015 11:48:09 +0100 [thread overview] Message-ID: <1441104494-10468-2-git-send-email-peter.griffin@linaro.org> (raw) In-Reply-To: <1441104494-10468-1-git-send-email-peter.griffin@linaro.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 <peter.griffin@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> --- 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
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From: peter.griffin@linaro.org (Peter Griffin) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 1/6] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Date: Tue, 1 Sep 2015 11:48:09 +0100 [thread overview] Message-ID: <1441104494-10468-2-git-send-email-peter.griffin@linaro.org> (raw) In-Reply-To: <1441104494-10468-1-git-send-email-peter.griffin@linaro.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 <peter.griffin@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> --- 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 at 9842000 { + ssc2: i2c at 9842000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; - i2c at 9843000 { + ssc3: i2c at 9843000 { status = "okay"; + clock-frequency = <100000>; + st,i2c-min-scl-pulse-width-us = <0>; + st,i2c-min-sda-pulse-width-us = <5>; }; i2c at 9844000 { -- 1.9.1
next prev parent reply other threads:[~2015-09-01 10:49 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-01 10:48 [PATCH v4 0/6] [media] c8sectpfe: Various fixups Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` Peter Griffin [this message] 2015-09-01 10:48 ` [PATCH v4 1/6] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Peter Griffin 2015-09-01 10:48 ` [PATCH v4 2/6] ARM: DT: STi: STiH407: Add c8sectpfe LinuxDVB DT node Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` [PATCH v4 3/6] [media] c8sectpfe: Remove select on undefined LIBELF_32 Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` [PATCH v4 4/6] [media] c8sectpfe: Update binding to reset-gpio Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` [PATCH v4 5/6] [media] c8sectpfe: Update DT binding doc with some minor fixes Peter Griffin 2015-09-01 10:48 ` Peter Griffin 2015-09-01 10:48 ` [PATCH v4 6/6] [media] c8sectpfe: Simplify for loop in load_slim_core_fw Peter Griffin 2015-09-01 10:48 ` Peter Griffin
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