linux-kernel - [PATCH 0/5] Add watchdog and USB nodes for the Exynos990 SoC

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Message-Id: <20250217-exynos990-dt-changes-febuary-v1-0-99935218cbf4@mentallysanemainliners.org>
Date: Mon, 17 Feb 2025 22:32:02 +0100
From: Igor Belwon <igor.belwon@...tallysanemainliners.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Igor Belwon <igor.belwon@...tallysanemainliners.org>
Subject: [PATCH 0/5] Add watchdog and USB nodes for the Exynos990 SoC

Hi all!

This series adds the nodes to enable the watchdog and USB support for
the Exynos990 SoC.

The watchdog consists of two clusters (cl0 and cl2). Unsure why Samsung has
skipped cl1 on this SoC. Both are enabled and working - tested on a
device from the -x1s family.

The USB controller of this SoC supports full-speed, high-speed and
super-speed operation modes. Due to my inability to get any of my
Exynos990 devices to enumerate as super-speed (even under the vendor
kernels) only the UTMI+ setup is done - as such, only the high-speed
mode is enabled. Dummy regulators are used in place of PMIC provided
ones until we implement PMIC.

This series depends on the following series:
- Watchdog commit: https://lore.kernel.org/all/20250217-exynos990-wdt-v2-0-3eb4fbc113f4@mentallysanemainliners.org
- USB commits:
	- https://lore.kernel.org/all/20250217-exynos990-bindings-usb3-v2-1-3b3f0809f4fb@mentallysanemainliners.org/
	- https://lore.kernel.org/all/20250214-exynos990-dwusb-v1-0-d68282c51ba8@mentallysanemainliners.org/

Signed-off-by: Igor Belwon <igor.belwon@...tallysanemainliners.org>
---
Igor Belwon (5):
      arm64: dts: exynos990: Enable watchdog timer
      arm64: dts: exynos990: Add USB nodes
      arm64: dts: exynos990-x1s-common: Enable USB
      arm64: dts: exynos990-c1s: Enable USB
      arm64: dts: exynos990-r8s: Enable USB

 arch/arm64/boot/dts/exynos/exynos990-c1s.dts       | 16 +++++++
 arch/arm64/boot/dts/exynos/exynos990-r8s.dts       | 16 +++++++
 .../boot/dts/exynos/exynos990-x1s-common.dtsi      | 16 +++++++
 arch/arm64/boot/dts/exynos/exynos990.dtsi          | 55 ++++++++++++++++++++++
 4 files changed, 103 insertions(+)
---
base-commit: 783ef70f458b28640a63dda599ae8628c3c7aa2e
change-id: 20250217-exynos990-dt-changes-febuary-fbc184e8049d

Best regards,
-- 
Igor Belwon <igor.belwon@...tallysanemainliners.org>