From: Rob Herring <robh@kernel.org>
To: Nishanth Menon <nm@ti.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>,
Sudeep Holla <sudeep.holla@arm.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Russ Dill <Russ.Dill@ti.com>, Dave Gerlach <d-gerlach@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
"Andrew F . Davis" <afd@ti.com>, Suman Anna <s-anna@ti.com>,
Tero Kristo <t-kristo@ti.com>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH 5/5] firmware: ti_sci: Add support for reboot core service
Date: Tue, 23 Aug 2016 12:48:41 -0500 [thread overview]
Message-ID: <20160823174841.GA23677@rob-hp-laptop> (raw)
In-Reply-To: <20160819225159.10758-6-nm@ti.com>
On Fri, Aug 19, 2016 at 05:51:59PM -0500, Nishanth Menon wrote:
> Since system controller now has control over SoC power management, it
> needs to be explicitly requested to reboot the SoC. Add support for
> it.
>
> In some systems however, SoC needs to toggle a GPIO or send event to an
> external entity (like a PMIC) for a system reboot to take place. To
> facilitate that, we allow for a DT property to determine if the reboot
> handler will be registered and further, the service is also made
> available to other drivers (such as PMIC driver) to sequence the
> additional operation and trigger the SoC reboot as the last step.
>
> Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
> .../devicetree/bindings/arm/keystone/ti,sci.txt | 1 +
> drivers/firmware/ti_sci.c | 85 ++++++++++++++++++++++
> drivers/firmware/ti_sci.h | 12 +++
> include/linux/soc/ti/ti_sci_protocol.h | 11 +++
> 4 files changed, 109 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt b/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
> index 965d45e313b1..ed5b8fc185f1 100644
> --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
> +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
> @@ -38,6 +38,7 @@ Optional Properties:
> - reg-names:
> debug_messages - Map the Debug message region
> - reg: register space corresponding to the debug_messages
> +- ti,system-reboot-controller: If system reboot can be triggered by SoC reboot
Don't define bindings incrementally. But all the binding in one patch.
Rob
next prev parent reply other threads:[~2016-08-23 17:49 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 22:51 [PATCH 0/5] firmware: Add support for TI System Control Interface (TI-SCI) protocol driver Nishanth Menon
2016-08-19 22:51 ` [PATCH 1/5] Documentation: Add support for TI System Control Interface (TI-SCI) protocol Nishanth Menon
2016-08-19 22:51 ` [PATCH 2/5] firmware: Add basic " Nishanth Menon
2016-08-21 16:20 ` Lokesh Vutla
2016-08-23 18:38 ` Nishanth Menon
2016-08-19 22:51 ` [PATCH 3/5] firmware: ti_sci: Add support for Device control Nishanth Menon
2016-08-22 3:56 ` Lokesh Vutla
2016-08-23 18:45 ` Nishanth Menon
2016-08-29 22:30 ` Santosh Shilimkar
2016-08-19 22:51 ` [PATCH 4/5] firmware: ti_sci: Add support for Clock control Nishanth Menon
2016-08-19 22:51 ` [PATCH 5/5] firmware: ti_sci: Add support for reboot core service Nishanth Menon
2016-08-23 17:48 ` Rob Herring [this message]
2016-08-23 18:46 ` Nishanth Menon
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