linux-kernel - Re: [PATCH 1/3] arm64: dts: exynos: gs101: add syscon-poweroff and syscon-reboot nodes

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Message-ID: <ZnymDq5Yzd0oyuIr@google.com>
Date: Wed, 26 Jun 2024 16:36:46 -0700
From: William McVicker <willmcvicker@...gle.com>
To: Peter Griffin <peter.griffin@...aro.org>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	alim.akhtar@...sung.com, s.nawrocki@...sung.com,
	cw00.choi@...sung.com, mturquette@...libre.com, sboyd@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	tudor.ambarus@...aro.org, andre.draszik@...aro.org,
	kernel-team@...roid.com, devicetree@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: exynos: gs101: add syscon-poweroff and
 syscon-reboot nodes

On 06/26/2024, Peter Griffin wrote:
> Reboot of gs101 SoC can be handled by setting the
> bit(SWRESET_SYSTEM[1]) of SYSTEM_CONFIGURATION register(PMU + 0x3a00).
> 
> Poweroff of gs101 SoC can be handled by setting bit(DATA[8]) of
> PAD_CTRL_PWR_HOLD register (PMU + 0x3e9c).
> 
> Tested using "reboot" and "poweroff -p" commands.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>

Tested-by: Will McVicker <willmcvicker@...gle.com>

Thanks Peter. I verified the device reboots and powers off with these updates.

--Will