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Message-ID: <d6f3e4e9-e622-4b2c-bd03-ab77f0552a70@phytec.de>
Date:   Tue, 5 Dec 2023 18:31:47 +0100
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Subject: Re: [PATCH 1/3] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Lower
 I2C1 frequency
Content-Language: en-US
To:     Garrett Giordano <ggiordano@phytec.com>, <nm@ti.com>,
        <vigneshr@ti.com>, <kristo@kernel.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>
CC:     <linux-arm-kernel@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <upstream@lists.phytec.de>
References: <20231204222811.2344460-1-ggiordano@phytec.com>
From:   Wadim Egorov <w.egorov@phytec.de>
In-Reply-To: <20231204222811.2344460-1-ggiordano@phytec.com>
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Am 04.12.23 um 23:28 schrieb Garrett Giordano:
> 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>

For all three,
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>


> ---
>   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 {