From: Alain Volmat <alain.volmat@st.com>
To: <wsa@the-dreams.de>, <robh+dt@kernel.org>
Cc: <mark.rutland@arm.com>, <pierre-yves.mordret@st.com>,
<mcoquelin.stm32@gmail.com>, <alexandre.torgue@st.com>,
<linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <fabrice.gasnier@st.com>,
<alain.volmat@st.com>
Subject: [PATCH] ARM: dts: stm32: set i2c4 bus freq to 400KHz on stm32mp15 DK boards
Date: Mon, 10 Feb 2020 18:17:36 +0100 [thread overview]
Message-ID: <1581355056-13884-1-git-send-email-alain.volmat@st.com> (raw)
On DK boards, all I2C4 bus slaves supports I2C Fast Mode hence setting
the bus frequency to 400 KHz.
Signed-off-by: Alain Volmat <alain.volmat@st.com>
---
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index 7f5fcb2c5b03..2521f428ae67 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -221,6 +221,7 @@
pinctrl-1 = <&i2c4_pins_sleep_a>;
i2c-scl-rising-time-ns = <185>;
i2c-scl-falling-time-ns = <20>;
+ clock-frequency = <400000>;
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
--
2.7.4
next reply other threads:[~2020-02-10 17:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-10 17:17 Alain Volmat [this message]
2020-03-13 12:50 ` Alexandre Torgue
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