linux-kernel - Re: [PATCH 1/4] ARM: dts: stm32: add FMC2 NAND controller support on stm32mp157c

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Date:   Wed, 24 Jul 2019 18:38:05 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Christophe Kerello <christophe.kerello@...com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <olof@...om.net>, <arnd@...db.de>
CC:     <mcoquelin.stm32@...il.com>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/4] ARM: dts: stm32: add FMC2 NAND controller support on
 stm32mp157c

Hi Christophe

On 6/21/19 4:49 PM, Christophe Kerello wrote:
> This patch adds FMC2 NAND controller support used by stm32mp157c SOC.
> 
> Signed-off-by: Christophe Kerello <christophe.kerello@...com>
> ---
>   arch/arm/boot/dts/stm32mp157c.dtsi | 19 +++++++++++++++++++
>   1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
> index 0c4e6eb..f2bda28 100644
> --- a/arch/arm/boot/dts/stm32mp157c.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
> @@ -1239,6 +1239,25 @@
>   			dma-requests = <48>;
>   		};
>   
> +		fmc: nand-controller@...02000 {
> +			compatible = "st,stm32mp15-fmc2";
> +			reg = <0x58002000 0x1000>,
> +			      <0x80000000 0x1000>,
> +			      <0x88010000 0x1000>,
> +			      <0x88020000 0x1000>,
> +			      <0x81000000 0x1000>,
> +			      <0x89010000 0x1000>,
> +			      <0x89020000 0x1000>;
> +			interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
> +			dmas = <&mdma1 20 0x10 0x12000A02 0x0 0x0>,
> +			       <&mdma1 20 0x10 0x12000A08 0x0 0x0>,
> +			       <&mdma1 21 0x10 0x12000A0A 0x0 0x0>;

Please, don't use capital letter here.

> +			dma-names = "tx", "rx", "ecc";
> +			clocks = <&rcc FMC_K>;
> +			resets = <&rcc FMC_R>;
> +			status = "disabled";
> +		};
> +
>   		qspi: spi@...03000 {
>   			compatible = "st,stm32f469-qspi";
>   			reg = <0x58003000 0x1000>, <0x70000000 0x10000000>;
>