linux-kernel - Re: [PATCH v7 1/6] arm64: lan969x: Add support for Microchip LAN969x SoC

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Message-ID: <20250616102103.faoc5tqp22we67zl@DEN-DL-M70577>
Date: Mon, 16 Jun 2025 10:21:03 +0000
From: Daniel Machon <daniel.machon@...rochip.com>
To: Robert Marko <robert.marko@...tura.hr>
CC: <catalin.marinas@....com>, <will@...nel.org>, <olivia@...enic.com>,
	<herbert@...dor.apana.org.au>, <davem@...emloft.net>, <vkoul@...nel.org>,
	<andi.shyti@...nel.org>, <broonie@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<linux-crypto@...r.kernel.org>, <dmaengine@...r.kernel.org>,
	<linux-i2c@...r.kernel.org>, <linux-spi@...r.kernel.org>,
	<kernel@...gutronix.de>, <ore@...gutronix.de>, <luka.perkov@...tura.hr>,
	<arnd@...db.de>
Subject: Re: [PATCH v7 1/6] arm64: lan969x: Add support for Microchip LAN969x
 SoC

> This adds support for the Microchip LAN969x ARMv8-based SoC switch family.
> 
> Signed-off-by: Robert Marko <robert.marko@...tura.hr>
> Acked-by: Daniel Machon <daniel.machon@...rochip.com>
> ---
>  arch/arm64/Kconfig.platforms | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index a541bb029aa4..834910f11864 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -133,6 +133,20 @@ config ARCH_SPARX5
>           security through TCAM-based frame processing using versatile
>           content aware processor (VCAP).
> 
> +config ARCH_LAN969X
> +       bool "Microchip LAN969X SoC family"
> +       select PINCTRL
> +       select DW_APB_TIMER_OF

The lan969x SoC uses the clk-lan966x driver. Would it not make sense to select
it here?

  +       select COMMON_CLK_LAN966X

> +       help
> +         This enables support for the Microchip LAN969X ARMv8-based
> +         SoC family of TSN-capable gigabit switches.
> +
> +         The LAN969X Ethernet switch family provides a rich set of
> +         switching features such as advanced TCAM-based VLAN and QoS
> +         processing enabling delivery of differentiated services, and
> +         security through TCAM-based frame processing using versatile
> +         content aware processor (VCAP).
> +
>  config ARCH_K3
>         bool "Texas Instruments Inc. K3 multicore SoC architecture"
>         select PM_GENERIC_DOMAINS if PM
> --
> 2.49.0
> 

/Daniel