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Date: Sat, 22 Oct 2022 09:23:53 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Lucas Stach <l.stach@...gutronix.de>, Marco Felsch <m.felsch@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.19 354/717] ARM: dts: imx6qdl-kontron-samx6i: hook up DDC i2c bus From: Lucas Stach <l.stach@...gutronix.de> [ Upstream commit afd8f77957e3e83adf21d9229c61ff37f44a177a ] 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@...gutronix.de> [m.felsch@...gutronix.de: add fixes line] Signed-off-by: Marco Felsch <m.felsch@...gutronix.de> Signed-off-by: Shawn Guo <shawnguo@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi index 6b791d515e29..683f6e58ab23 100644 --- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi @@ -263,6 +263,10 @@ phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; }; +&hdmi { + ddc-i2c-bus = <&i2c2>; +}; + &i2c_intern { pmic@8 { compatible = "fsl,pfuze100"; @@ -387,7 +391,7 @@ /* HDMI_CTRL */ &i2c2 { - clock-frequency = <375000>; + clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; }; -- 2.35.1
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