linux-kernel - Re: [PATCH v2 6/6] ARM: dts: stm32f429: Add QSPI clock

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Date:   Thu, 3 Nov 2016 17:45:05 +0100
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     <gabriel.fernandez@...com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Nicolas Pitre <nico@...aro.org>, Arnd Bergmann <arnd@...db.de>,
        <daniel.thompson@...aro.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <ludovic.barre@...com>, <olivier.bideau@...com>,
        <amelie.delaunay@...com>
Subject: Re: [PATCH v2 6/6] ARM: dts: stm32f429: Add QSPI clock

Hi Gabriel,

On 10/14/2016 11:18 AM, gabriel.fernandez@...com wrote:
> From: Gabriel Fernandez <gabriel.fernandez@...com>
>
> This patch adds the QSPI clock for stm32f469 discovery board.
>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...com>
> ---
>  arch/arm/boot/dts/stm32f469-disco.dts | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
> index e911af8..4052023 100644
> --- a/arch/arm/boot/dts/stm32f469-disco.dts
> +++ b/arch/arm/boot/dts/stm32f469-disco.dts
> @@ -66,6 +66,10 @@
>  	};
>  };
>
> +&rcc {
> +	compatible = "st,stm32f469-rcc", "st,stm32-rcc";
> +};
> +

With this patch, stm32f469-disco doesn't boot if clk drivers patch are 
not applied.
Can you please send a new version to keep compatibility with older clk 
driver.

&rcc {
 > +	compatible = "st,stm32f469-rcc", "st,stm32-rcc";
-> compatible = "st,stm32f469-rcc", "st,stm32f42xx-rcc", "st,stm32-rcc";
 > +};
 > +
I will take it in next pull request round.


Regards
Alex


>  &clk_hse {
>  	clock-frequency = <8000000>;
>  };
>