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[4/4] ARM: dts: imx6qdl-kontron-samx6i: hook up DDC i2c bus

Message ID 20220726130523.2985735-4-m.felsch@pengutronix.de
State New
Headers show
Series [1/4] ARM: dts: imx6qdl-kontron-samx6i: move phy reset into phy-node | expand

Commit Message

Marco Felsch July 26, 2022, 1:05 p.m. UTC 
From: Lucas Stach <l.stach@pengutronix.de>

i2c2 is routed to the pins dedicated as DDC in the module standard.
Reduce clock rate to 100kHz to be in line with VESA standard and hook
this bus up to the HDMI node.

Fixes: 708ed2649ad8 ("ARM: dts: imx6qdl-kontron-samx6i: increase i2c-frequency")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[m.felsch@pengutronix.de: add fixes line]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
index 158344bc13d1..85aeebc9485d 100644
--- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi
@@ -275,6 +275,10 @@  ethphy: ethernet-phy@1 {
 	};
 };
 
+&hdmi {
+	ddc-i2c-bus = <&i2c2>;
+};
+
 &i2c_intern {
 	pmic@8 {
 		compatible = "fsl,pfuze100";
@@ -399,7 +403,7 @@  &i2c1 {
 
 /* HDMI_CTRL */
 &i2c2 {
-	clock-frequency = <375000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 };