linux-kernel - Re: [PATCH v3 5/5] ARM: dts: stm32: add ddrperfm on stm32mp157c

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Message-ID: <8e3170a3-c814-d06e-f1f9-6d4e6a4bed71@st.com>
Date:   Thu, 29 Aug 2019 10:48:45 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     Gerald BAEZA <gerald.baeza@...com>,
        "will@...nel.org" <will@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mcoquelin.stm32@...il.com" <mcoquelin.stm32@...il.com>,
        "corbet@....net" <corbet@....net>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "olof@...om.net" <olof@...om.net>, "arnd@...db.de" <arnd@...db.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v3 5/5] ARM: dts: stm32: add ddrperfm on stm32mp157c

Hi Gerald

On 8/27/19 5:08 PM, Gerald BAEZA wrote:
> The DDRPERFM is the DDR Performance Monitor embedded
> in STM32MP1 SOC.
> 
> Signed-off-by: Gerald Baeza <gerald.baeza@...com>
> ---
>   arch/arm/boot/dts/stm32mp157c.dtsi | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi 
> b/arch/arm/boot/dts/stm32mp157c.dtsi
> index 0c4e6eb..6ea6933 100644
> --- a/arch/arm/boot/dts/stm32mp157c.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
> @@ -1378,6 +1378,14 @@
>                           };
>                   };
> 
> +               ddrperfm: perf@...07000 {
> +                       compatible = "st,stm32-ddr-pmu";
> +                       reg = <0x5a007000 0x400>;
> +                       clocks = <&rcc DDRPERFM>;
> +                       resets = <&rcc DDRPERFM_R>;
> +                       status = "okay";

No need to add "status = "okay"" here.

regards
Alex

> +               };
> +
>                   usart1: serial@...00000 {
>                           compatible = "st,stm32h7-uart";
>                           reg = <0x5c000000 0x400>;
> -- 
> 2.7.4