linux-kernel - Re: [PATCH] ARM: zynq: dts: Setting default i2c clock frequency to 400kHz

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Message-ID: <ad698819-19a7-65eb-d605-d7f307caad2a@amd.com>
Date:   Fri, 12 May 2023 13:26:35 +0200
From:   Michal Simek <michal.simek@....com>
To:     Michal Simek <michal.simek@....com>, linux-kernel@...r.kernel.org,
        michal.simek@...inx.com, git@...inx.com
Cc:     Varalaxmi Bingi <varalaxmi.bingi@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: zynq: dts: Setting default i2c clock frequency to
 400kHz



On 5/2/23 15:53, Michal Simek wrote:
> From: Varalaxmi Bingi <varalaxmi.bingi@....com>
> 
> Setting default i2c clock frequency for Zynq to maximum rate of 400kHz.
> Current default value is 100kHz.
> 
> Signed-off-by: Varalaxmi Bingi <varalaxmi.bingi@....com>
> Signed-off-by: Michal Simek <michal.simek@....com>
> ---
> 
>   arch/arm/boot/dts/zynq-7000.dtsi | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index cd9931f6bcbd..a7db3f3009f2 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -149,6 +149,7 @@ i2c0: i2c@...04000 {
>   			clocks = <&clkc 38>;
>   			interrupt-parent = <&intc>;
>   			interrupts = <0 25 4>;
> +			clock-frequency = <400000>;
>   			reg = <0xe0004000 0x1000>;
>   			#address-cells = <1>;
>   			#size-cells = <0>;
> @@ -160,6 +161,7 @@ i2c1: i2c@...05000 {
>   			clocks = <&clkc 39>;
>   			interrupt-parent = <&intc>;
>   			interrupts = <0 48 4>;
> +			clock-frequency = <400000>;
>   			reg = <0xe0005000 0x1000>;
>   			#address-cells = <1>;
>   			#size-cells = <0>;

Applied.
M