linux-kernel - Re: [PATCH] arm64: dts: marvell: 98dx25xx: use correct property for i2c gpios

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Date:   Fri, 02 Sep 2022 17:26:46 +0200
From:   Gregory CLEMENT <gregory.clement@...tlin.com>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        vadym.kochan@...ision.eu
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: Re: [PATCH] arm64: dts: marvell: 98dx25xx: use correct property for
 i2c gpios

Chris Packham <chris.packham@...iedtelesis.co.nz> writes:

> Use the correct names for scl-gpios and sda-gpios so that the generic
> i2c recovery code will find them. While we're here set the
> GPIO_OPEN_DRAIN flag on the gpios.
>
> Fixes: b795fadfc46b ("arm64: dts: marvell: Add Armada 98DX2530 SoC and RD-AC5X board")
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>

Applied on mvebu/dt64

Thanks,

Gregory
> ---
>  arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> index 80b44c7df56a..881bf948d1df 100644
> --- a/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> +++ b/arch/arm64/boot/dts/marvell/ac5-98dx25xx.dtsi
> @@ -117,8 +117,8 @@ i2c0: i2c@...00{
>  				pinctrl-names = "default", "gpio";
>  				pinctrl-0 = <&i2c0_pins>;
>  				pinctrl-1 = <&i2c0_gpio>;
> -				scl_gpio = <&gpio0 26 GPIO_ACTIVE_HIGH>;
> -				sda_gpio = <&gpio0 27 GPIO_ACTIVE_HIGH>;
> +				scl-gpios = <&gpio0 26 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +				sda-gpios = <&gpio0 27 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
>  				status = "disabled";
>  			};
>  
> @@ -136,8 +136,8 @@ i2c1: i2c@...00{
>  				pinctrl-names = "default", "gpio";
>  				pinctrl-0 = <&i2c1_pins>;
>  				pinctrl-1 = <&i2c1_gpio>;
> -				scl_gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>;
> -				sda_gpio = <&gpio0 21 GPIO_ACTIVE_HIGH>;
> +				scl-gpios = <&gpio0 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +				sda-gpios = <&gpio0 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
>  				status = "disabled";
>  			};
>  
> -- 
> 2.37.2
>

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com