linux-kernel - Re: [PATCH v2] arm: dts: imx7: add QSPI

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Message-ID: <33fbac338c9d9accda37837eb1338003b28cafee.camel@ew.tq-group.com>
Date:   Wed, 29 Jul 2020 09:14:55 +0200
From:   Matthias Schiffer <matthias.schiffer@...tq-group.com>
To:     Marco Felsch <m.felsch@...gutronix.de>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH v2] arm: dts: imx7: add QSPI

On Wed, 2020-07-29 at 09:11 +0200, Matthias Schiffer wrote:
> In preparation for an update of the TQ-Systems TQMa7x/MBa7x DTS, add
> the
> QSPI controller to imx7s.dtsi.
> 
> Based-on-patch-by: Han Xu <han.xu@....com>
> Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
> ---
> 
> v2:
> - renamed node and label
> - reordered properties
> (as suggested by Marco Felsch)

Ugh, I neglected to check for compile warnings after adjusting the node
name. This now gives the following warning:

arch/arm/boot/dts/imx7s.dtsi:1165.24-1176.6: Warning (spi_bus_bridge): 
/soc/bus@...00000/qspi@...b0000: node name for SPI buses should be
'spi'

So I guess this should be called spi@ after all?


> 
> 
>  arch/arm/boot/dts/imx7s.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx7s.dtsi
> b/arch/arm/boot/dts/imx7s.dtsi
> index 1cfaf410aa43..22e4c38223bd 100644
> --- a/arch/arm/boot/dts/imx7s.dtsi
> +++ b/arch/arm/boot/dts/imx7s.dtsi
> @@ -1162,6 +1162,19 @@
>  				status = "disabled";
>  			};
>  
> +			qspi: qspi@...b0000 {
> +				compatible = "fsl,imx7d-qspi";
> +				reg = <0x30bb0000 0x10000>, <0x60000000
> 0x10000000>;
> +				reg-names = "QuadSPI", "QuadSPI-
> memory";
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				interrupts = <GIC_SPI 107
> IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&clks IMX7D_QSPI_ROOT_CLK>,
> +					<&clks IMX7D_QSPI_ROOT_CLK>;
> +				clock-names = "qspi_en", "qspi";
> +				status = "disabled";
> +			};
> +
>  			sdma: sdma@...d0000 {
>  				compatible = "fsl,imx7d-sdma",
> "fsl,imx35-sdma";
>  				reg = <0x30bd0000 0x10000>;