linux-kernel - Re: [PATCH 5/6] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig option

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Message-ID: <08083c49-68a3-6b0d-4a12-d9c9f7994281@microchip.com>
Date:   Tue, 26 Jul 2022 18:49:10 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <prabhakar.mahadev-lad.rj@...renesas.com>,
        <geert+renesas@...der.be>, <magnus.damm@...il.com>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>
CC:     <anup@...infault.org>, <linux-renesas-soc@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <prabhakar.csengg@...il.com>,
        <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 5/6] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig
 option

On 26/07/2022 19:06, Lad Prabhakar wrote:
> Introduce SOC_RENESAS_RZFIVE config option to enable Renesas RZ/Five
> (R9A07G043) SoC, along side also add ARCH_RENESAS config option as most
> of the Renesas drivers depend on this config option.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  arch/riscv/Kconfig.socs | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 69774bb362d6..91b7f38b77a8 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -80,4 +80,18 @@ config SOC_CANAAN_K210_DTB_SOURCE
>  
>  endif # SOC_CANAAN
>  
> +config ARCH_RENESAS

Hmm, I guess since it is very late in the day for v5.20 and there
appear to be some issues with the SOC_ symbol breaking the dts build
anyway, this is likely to be v5.21 content anyway...

...but I would be wary of adding ARCH_ symbols from ARM archs prior
to figuring out what we actually want symbols in Kconfig.socs to
actually  at LPC or w/e. Palmer?

> +	bool
> +	select GPIOLIB
> +	select PINCTRL
> +	select SOC_BUS
> +
> +config SOC_RENESAS_RZFIVE

I would like to see this added to the default defconfig so that
it has dtbs_check coverage by default.

Thanks,
Conor.

> +	bool "Renesas RZ/Five SoC"
> +	select ARCH_R9A07G043
> +	select ARCH_RENESAS
> +	select RESET_CONTROLLER
> +	help
> +	  This enables support for Renesas RZ/Five SoC.
> +
>  endmenu # "SoC selection"