linux-kernel - [PATCH v9 3/9] arm64: lan969x: Add support for Microchip LAN969x SoC

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Message-ID: <20250813174720.540015-4-robert.marko@sartura.hr>
Date: Wed, 13 Aug 2025 19:44:39 +0200
From: Robert Marko <robert.marko@...tura.hr>
To: linux@...linux.org.uk,
	nicolas.ferre@...rochip.com,
	alexandre.belloni@...tlin.com,
	claudiu.beznea@...on.dev,
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Cc: luka.perkov@...tura.hr,
	Robert Marko <robert.marko@...tura.hr>
Subject: [PATCH v9 3/9] 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>
---
Changes in v9:
* Select ARCH_MICROCHIP when ARCH_LAN969X is selected as its now hidden

Changes in v8:
* Place LAN969x under ARCH_MICROCHIP as suggested by Arnd and drop review
tags due to this

 arch/arm64/Kconfig.platforms | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index bfea380100a6..31bddd1a17de 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -177,6 +177,21 @@ menu "Microchip SoC support"
 config ARCH_MICROCHIP
 	bool
 
+config ARCH_LAN969X
+	bool "Microchip LAN969X SoC family"
+	select PINCTRL
+	select DW_APB_TIMER_OF
+	select ARCH_MICROCHIP
+	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_SPARX5
 	bool "Microchip Sparx5 SoC family"
 	select PINCTRL
-- 
2.50.1