linux-kernel - Re: [PATCH 2/4] ARM: dts: qcom: sdx65: Add QPIC NAND support

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Message-ID: <20220502070536.GC5053@thinkpad>
Date:   Mon, 2 May 2022 12:35:36 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Kaushal Kumar <quic_kaushalk@...cinc.com>
Cc:     agross@...nel.org, bjorn.andersson@...aro.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 2/4] ARM: dts: qcom: sdx65: Add QPIC NAND support

On Sat, Apr 30, 2022 at 08:30:08AM -0700, Kaushal Kumar wrote:
> Add devicetree node to enable support for QPIC
> NAND controller on Qualcomm SDX65 platform.
> Since there is no "aon" clock in SDX65, a dummy
> clock is provided.
> 
> Signed-off-by: Kaushal Kumar <quic_kaushalk@...cinc.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  arch/arm/boot/dts/qcom-sdx65.dtsi | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
> index d6a6087..a75e9f1 100644
> --- a/arch/arm/boot/dts/qcom-sdx65.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
> @@ -37,6 +37,12 @@
>  			clock-output-names = "sleep_clk";
>  			#clock-cells = <0>;
>  		};
> +
> +		nand_clk_dummy: nand-clk-dummy {
> +			compatible = "fixed-clock";
> +			clock-frequency = <32764>;
> +			#clock-cells = <0>;
> +		};
>  	};
>  
>  	cpus {
> @@ -211,6 +217,22 @@
>  			status = "disabled";
>  		};
>  
> +		qpic_nand: nand-controller@...0000 {
> +			compatible = "qcom,sdx55-nand";
> +			reg = <0x01b30000 0x10000>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			clocks = <&rpmhcc RPMH_QPIC_CLK>,
> +				 <&nand_clk_dummy>;
> +			clock-names = "core", "aon";
> +
> +			dmas = <&qpic_bam 0>,
> +			       <&qpic_bam 1>,
> +			       <&qpic_bam 2>;
> +			dma-names = "tx", "rx", "cmd";
> +			status = "disabled";
> +		};
> +
>  		tcsr_mutex: hwlock@...0000 {
>  			compatible = "qcom,tcsr-mutex";
>  			reg = <0x01f40000 0x40000>;
> -- 
> 2.7.4
>