linux-kernel - Re: [PATCH v5 03/13] ARM: dts: ipq4019: Add a few peripheral nodes

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Message-ID: <20180327165059.GE1403@tuxbook-pro>
Date:   Tue, 27 Mar 2018 09:50:59 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sricharan R <sricharan@...eaurora.org>
Cc:     robh+dt@...nel.org, robh@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, andy.gross@...aro.org,
        david.brown@...aro.org, catalin.marinas@....com,
        will.deacon@....com, sboyd@...eaurora.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        absahu@...eaurora.org, marc.zyngier@....com,
        richardcochran@...il.com
Subject: Re: [PATCH v5 03/13] ARM: dts: ipq4019: Add a few peripheral nodes

On Fri 23 Mar 03:18 PDT 2018, Sricharan R wrote:
> @@ -172,6 +180,22 @@
>  			clock-names = "core", "iface";
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> +			dmas = <&blsp_dma 5>, <&blsp_dma 4>;
> +			dma-names = "rx", "tx";
> +			status = "disabled";
> +		};
> +
> +		spi_1: spi@...6000 { /* BLSP1 QUP2 */
> +			compatible = "qcom,spi-qup-v2.2.1";
> +			reg = <0x78b6000 0x600>;
> +			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&gcc GCC_BLSP1_QUP2_SPI_APPS_CLK>,
> +				<&gcc GCC_BLSP1_AHB_CLK>;
> +			clock-names = "core", "iface";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			dmas = <&blsp_dma 7>, <&blsp_dma 6>;
> +			dma-names = "rx", "tx";
>  			status = "disabled";
>  		};
>  
> @@ -184,9 +208,24 @@
>  			clock-names = "iface", "core";
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> +			dmas = <&blsp_dma 9>, <&blsp_dma 8>;
> +			dma-names = "rx", "tx";
>  			status = "disabled";
>  		};
>  
> +		i2c_1: i2c@...8000 { /* BLSP1 QUP4 */

The label, comment and the core clock disagrees on which qup this is.

Label your nodes based on the SoC naming, not your board - as this will
prevent a future board from using e.g. blsp1 qup2 as i2c (as you already
used the label for that).

> +			compatible = "qcom,i2c-qup-v2.2.1";
> +			reg = <0x78b8000 0x600>;
> +			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&gcc GCC_BLSP1_AHB_CLK>,
> +				 <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>;

QUP4?

> +			clock-names = "iface", "core";
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			dmas = <&blsp_dma 11>, <&blsp_dma 10>;
> +			dma-names = "rx", "tx";
> +			status = "disabled";
> +		};

Apart from this the patch looks good.

Regards,
Bjorn