linux-kernel - Re: [PATCH v1 1/3] arm64: dts: qcom: ipq9574: Add SPI nand support

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Message-ID: <6980c805-92b8-4011-af94-a701a8218548@oss.qualcomm.com>
Date: Mon, 24 Feb 2025 21:36:19 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Md Sadre Alam <quic_mdalam@...cinc.com>, andersson@...nel.org,
        konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/3] arm64: dts: qcom: ipq9574: Add SPI nand support

On 24.02.2025 12:37 PM, Md Sadre Alam wrote:
> Add SPI NAND support for ipq9574 SoC.
> 
> Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
> ---
> * Moved changes in ipq9574-rdp-common.dtsi to separate patch
> 
> * Prefixed zero for reg address in qpic_bam and qpic_nand
> 
> * For full change history, please refer to https://lore.kernel.org/linux-arm-msm/20241120091507.1404368-8-quic_mdalam@quicinc.com/
> ---
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 28 +++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 942290028972..acbcf507adef 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -447,6 +447,34 @@ tcsr: syscon@...7000 {
>  			reg = <0x01937000 0x21000>;
>  		};
>  
> +		qpic_bam: dma-controller@...4000 {
> +			compatible = "qcom,bam-v1.7.0";

v1.7.4

> +			reg = <0x07984000 0x1c000>;
> +			interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&gcc GCC_QPIC_AHB_CLK>;
> +			clock-names = "bam_clk";
> +			#dma-cells = <1>;
> +			qcom,ee = <0>;
> +			status = "disabled";
> +		};
> +
> +		qpic_nand: spi@...0000 {
> +			compatible = "qcom,ipq9574-snand";
> +			reg = <0x079b0000 0x10000>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			clocks = <&gcc GCC_QPIC_CLK>,
> +				 <&gcc GCC_QPIC_AHB_CLK>,
> +				 <&gcc GCC_QPIC_IO_MACRO_CLK>;
> +			clock-names = "core", "aon", "iom";
> +			dmas = <&qpic_bam 0>,
> +			       <&qpic_bam 1>,
> +			       <&qpic_bam 2>;
> +			dma-names = "tx", "rx", "cmd";

Please make clock-names & dma-names a vertical list, like clocks and dmas
and shift the nodes so that they're sorted by address

Konrad