linux-kernel - [PATCH v2 10/10] arm64: dts: imx8mp-skov: increase I2C clock frequency for RTC

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Message-Id: <20250106-skov-dt-updates-v2-10-4504d3f00ecb@pengutronix.de>
Date: Mon, 06 Jan 2025 17:06:45 +0100
From: Ahmad Fatoum <a.fatoum@...gutronix.de>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Oleksij Rempel <o.rempel@...gutronix.de>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 Frank Li <Frank.li@....com>, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, kernel@...gutronix.de, 
 Ahmad Fatoum <a.fatoum@...gutronix.de>
Subject: [PATCH v2 10/10] arm64: dts: imx8mp-skov: increase I2C clock
 frequency for RTC

From: Oleksij Rempel <o.rempel@...gutronix.de>

The NXP PCF85063TP RTC is capable of 400 kHz of SCL clock frequency,
so use that instead of the current 100 kHz.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
---
v1 -> v2:
  - shortened commit message a bit. (Frank)
---
 arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
index a683f46fcbab62f320bad4ab47b4112071fc24e0..ec7857db7bf02d60b3993ee223a55d413b783d52 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
@@ -333,7 +333,7 @@ reg_nvcc_sd2: LDO5 {
 };
 
 &i2c3 {
-	clock-frequency = <100000>;
+	clock-frequency = <400000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c3>;
 	status = "okay";

-- 
2.39.5