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Date:   Tue, 5 Dec 2023 09:12:35 -0600
From:   Nishanth Menon <nm@ti.com>
To:     Garrett Giordano <ggiordano@phytec.com>
CC:     <vigneshr@ti.com>, <kristo@kernel.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
        <w.egorov@phytec.de>, <linux-arm-kernel@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <upstream@lists.phytec.de>
Subject: Re: [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower
 I2C1 frequency
Message-ID: <20231205151235.y6qb7pzvrar24opm@regally>
References: <20231204222811.2344460-1-ggiordano@phytec.com>
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In-Reply-To: <20231204222811.2344460-1-ggiordano@phytec.com>
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On 14:28-20231204, Garrett Giordano wrote:
> The gpio-expander on i2c-1 has a maximum frequency of 100kHz. Update our
> main_i2c1 frequency to allow the nxp,pcf8574 gpio-expander to function
> properly.
> 
> Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> index a438baf542c2..171354b13e33 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> @@ -187,7 +187,7 @@ cpsw3g_phy3: ethernet-phy@3 {
>  &main_i2c1 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&main_i2c1_pins_default>;
> -	clock-frequency = <400000>;
> +	clock-frequency = <100000>;
>  	status = "okay";
>  
>  	gpio_exp: gpio-expander@21 {
> -- 
> 2.25.1
> 
https://lore.kernel.org/all/bd5284ec-6f25-464a-9ee7-4c50496482f1@phytec.de/

please make sure to pick up the previous Reviewed-by when you post an
update of your series.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D