linux-kernel - [PATCH v6] arm64: lan969x: Add support for Microchip LAN969x SoC

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Message-ID: <20250407114116.3211383-1-robert.marko@sartura.hr>
Date: Mon,  7 Apr 2025 13:40:28 +0200
From: Robert Marko <robert.marko@...tura.hr>
To: catalin.marinas@....com,
	will@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	arnd@...db.de,
	soc@...ts.linux.dev
Cc: Robert Marko <robert.marko@...tura.hr>,
	Daniel Machon <daniel.machon@...rochip.com>
Subject: [PATCH v6] 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>
---
Changes in v6:
* Rebase on top of next-20250407

Changes in v5:
* Rebase on top of next-20250131

Changes in v4:
* Rebase on top of next-20250115
* Pickup Acked-by from Daniel

Changes in v3:
* Rebase on top of next-20250107

Changes in v2:
* Add forgotten LAN969x architecture support itself

 arch/arm64/Kconfig.platforms | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 8b76821f190f..77f2b481238a 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
+	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