linux-kernel - Re: [PATCH v2] arm64: dts: qcom: ipq6018: add QUP5 I2C node

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Message-ID: <1208232f-c618-4a95-bca5-e5ee4245a873@linaro.org>
Date:   Wed, 15 Nov 2023 18:04:31 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Isaev Ruslan <legale.legale@...il.com>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: ipq6018: add QUP5 I2C node



On 11/15/23 16:38, Isaev Ruslan wrote:
> Add node to support this bus inside of IPQ6018.
> For example, this bus is used to work with the
> voltage regulator (mp5496) on the Yuncore AX840 wireless AP.
> 
> 
> Signed-off-by: Isaev Ruslan <legale.legale@...il.com>
> ---
> v1 -> v2: fix clocks typo; fix reg size warning.
Hi, it's also good practice to share a link to the previous
revision for easier comparison. The b4 tool [1] takes care
of most of the comments you've got.

>   arch/arm64/boot/dts/qcom/ipq6018.dtsi | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> index e59b9df96..00a61de9d 100644
> --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> @@ -506,6 +506,21 @@ blsp1_i2c3: i2c@...7000 {
>                          dma-names = "tx", "rx";
>                          status = "disabled";
>                  };
> +
> +               blsp1_i2c6: i2c@...a000 {
> +                       compatible = "qcom,i2c-qup-v2.2.1";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x0 0x078ba000 0x0 0x600>;
> +                       interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>;
The irq number seems a bit sus.. they're usually more or less contiguous
and I2C3 uses SPI97.. Are you sure it's the correct one?

Konrad

[1] https://b4.docs.kernel.org/en/latest/