Re: [PATCH] arm64: dts: qcom: ipq9574: enable fast mode for i2c3
From: Dmitry Baryshkov
Date: Wed Jan 15 2025 - 06:12:45 EST
On Wed, Jan 15, 2025 at 04:31:42PM +0530, Manikanta Mylavarapu wrote:
> Configure the blsp1 i2c3 bus to operate at 400 kHz
> for fast mode.
This is usually a board property rather than an SoC one.
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 942290028972..b35df590a794 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -621,6 +621,7 @@ blsp1_i2c3: i2c@78b8000 {
> clocks = <&gcc GCC_BLSP1_QUP4_I2C_APPS_CLK>,
> <&gcc GCC_BLSP1_AHB_CLK>;
> clock-names = "core", "iface";
> + clock-frequency = <400000>;
> assigned-clocks = <&gcc GCC_BLSP1_QUP4_I2C_APPS_CLK>;
> assigned-clock-rates = <50000000>;
> dmas = <&blsp_dma 18>, <&blsp_dma 19>;
> --
> 2.34.1
>
--
With best wishes
Dmitry