linux-kernel - [PATCH 0/4] Add watchdog support for bcm2712

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Message-ID: <20250917063233.1270-1-svarbanov@suse.de>
Date: Wed, 17 Sep 2025 09:32:29 +0300
From: Stanimir Varbanov <svarbanov@...e.de>
To: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rpi-kernel@...ts.infradead.org,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	linux-pm@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Lee Jones <lee@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Willow Cunningham <willow.e.cunningham@...il.com>,
	Stefan Wahren <wahrenst@....net>,
	Saenz Julienne <nsaenz@...nel.org>,
	Andrea della Porta <andrea.porta@...e.com>,
	Phil Elwell <phil@...pberrypi.com>,
	Jonathan Bell <jonathan@...pberrypi.com>,
	Dave Stevenson <dave.stevenson@...pberrypi.com>,
	Stanimir Varbanov <svarbanov@...e.de>
Subject: [PATCH 0/4] Add watchdog support for bcm2712

Hello,

The following patch-set aims to:

 * allow probe of bcm2835-wdt watchdog driver for bcm2712.
 * prepare bcm2835-power driver for enabling of v3d for bcm2712.

 - patch 1/4 is preparing bcm2835-power driver to be able to
control GRAFX_V3D pm-domain. This is a prerequisite for the follow-up
patch-set which will add a v3d DT node for bcm2712 (RPi5).

 - patches 2/4 and 3/4 are adding bcm2712-pm compatible in MFD driver
and update the dt-bindings accordingly.

 - patch 4/4 is adding a watchdog DT node for bcm2712.

Comments are welcome!

regards,
~Stan

Stanimir Varbanov (4):
  pmdomain: bcm: bcm2835-power: Prepare to support BCM2712
  dt-bindings: soc: bcm: Add bcm2712 compatible
  mfd: bcm2835-pm: Add support for BCM2712
  arm64: dts: broadcom: bcm2712: Add watchdog DT node

 .../bindings/soc/bcm/brcm,bcm2835-pm.yaml     | 28 +++++++++++++++----
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi     |  9 ++++++
 drivers/mfd/bcm2835-pm.c                      |  1 +
 drivers/pmdomain/bcm/bcm2835-power.c          | 17 ++++++++---
 4 files changed, 46 insertions(+), 9 deletions(-)

-- 
2.47.0