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From: Rob Herring <robh@kernel.org>
To: Dave Gerlach <d-gerlach@ti.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Tero Kristo <kristo@kernel.org>, Nishanth Menon <nm@ti.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [PATCH 1/6] dt-bindings: ti,sci: Add ti,ctx-memory-region property
Date: Mon, 2 May 2022 15:14:12 -0500	[thread overview]
Message-ID: <YnA7lKVJ4Mwm78ME@robh.at.kernel.org> (raw)
In-Reply-To: <20220421203659.27853-2-d-gerlach@ti.com>

On Thu, Apr 21, 2022 at 03:36:54PM -0500, Dave Gerlach wrote:
> Add documentation for the ti,ctx-memory-region property which is a
> phandle to a reserved-memory carveout to be used by the ti_sci driver
> storage of low power mode memory context. This is optional for normal
> system operation but required to enabled suspend-to-mem usage of Deep
> Sleep state.
> 
> Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
> ---
>  .../devicetree/bindings/arm/keystone/ti,sci.yaml         | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> index 34f5f877d444..ec88aa88a2a0 100644
> --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> @@ -61,6 +61,15 @@ properties:
>    mboxes:
>      minItems: 2
>  
> +  ti,ctx-memory-region:

What's wrong with 'memory-region'?

> +    description:
> +      Phandle to the reserved memory node to be associated with the
> +      ti-sci device, to be used for saving low power context. The
> +      reserved memory node should be a carveout node, and should
> +      be defined as per the bindings in
> +      Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml
> +    $ref: /schemas/types.yaml#/definitions/string
> +
>    ti,system-reboot-controller:
>      description: Determines If system reboot can be triggered by SoC reboot
>      type: boolean
> -- 
> 2.35.0
> 
> 

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Dave Gerlach <d-gerlach@ti.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Tero Kristo <kristo@kernel.org>, Nishanth Menon <nm@ti.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Vignesh Raghavendra <vigneshr@ti.com>
Subject: Re: [PATCH 1/6] dt-bindings: ti,sci: Add ti,ctx-memory-region property
Date: Mon, 2 May 2022 15:14:12 -0500	[thread overview]
Message-ID: <YnA7lKVJ4Mwm78ME@robh.at.kernel.org> (raw)
In-Reply-To: <20220421203659.27853-2-d-gerlach@ti.com>

On Thu, Apr 21, 2022 at 03:36:54PM -0500, Dave Gerlach wrote:
> Add documentation for the ti,ctx-memory-region property which is a
> phandle to a reserved-memory carveout to be used by the ti_sci driver
> storage of low power mode memory context. This is optional for normal
> system operation but required to enabled suspend-to-mem usage of Deep
> Sleep state.
> 
> Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
> ---
>  .../devicetree/bindings/arm/keystone/ti,sci.yaml         | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> index 34f5f877d444..ec88aa88a2a0 100644
> --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
> @@ -61,6 +61,15 @@ properties:
>    mboxes:
>      minItems: 2
>  
> +  ti,ctx-memory-region:

What's wrong with 'memory-region'?

> +    description:
> +      Phandle to the reserved memory node to be associated with the
> +      ti-sci device, to be used for saving low power context. The
> +      reserved memory node should be a carveout node, and should
> +      be defined as per the bindings in
> +      Documentation/devicetree/bindings/reserved-memory/reserved-memory.yaml
> +    $ref: /schemas/types.yaml#/definitions/string
> +
>    ti,system-reboot-controller:
>      description: Determines If system reboot can be triggered by SoC reboot
>      type: boolean
> -- 
> 2.35.0
> 
> 

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  parent reply	other threads:[~2022-05-02 20:14 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-21 20:36 [PATCH 0/6] firmware: ti_sci: Introduce system suspend support Dave Gerlach
2022-04-21 20:36 ` Dave Gerlach
2022-04-21 20:36 ` [PATCH 1/6] dt-bindings: ti,sci: Add ti,ctx-memory-region property Dave Gerlach
2022-04-21 20:36   ` Dave Gerlach
2022-04-22 19:02   ` Andrew Davis
2022-04-22 19:02     ` Andrew Davis
2022-04-22 19:02     ` Andrew Davis
2022-04-22 19:10     ` Dave Gerlach
2022-04-22 19:10       ` Dave Gerlach
2022-04-23 13:36       ` Nishanth Menon
2022-04-23 13:36         ` Nishanth Menon
2022-04-25 20:24         ` Dave Gerlach
2022-04-25 20:24           ` Dave Gerlach
2022-04-26  3:28           ` Nishanth Menon
2022-04-26  3:28             ` Nishanth Menon
2022-05-02 20:14   ` Rob Herring [this message]
2022-05-02 20:14     ` Rob Herring
2022-04-21 20:36 ` [PATCH 2/6] dt-bindings: ti,sci: Add lpm region and ti,lpm-firmware-name Dave Gerlach
2022-04-21 20:36   ` [PATCH 2/6] dt-bindings: ti, sci: Add lpm region and ti, lpm-firmware-name Dave Gerlach
2022-05-02 20:15   ` [PATCH 2/6] dt-bindings: ti,sci: Add lpm region and ti,lpm-firmware-name Rob Herring
2022-05-02 20:15     ` Rob Herring
2022-04-21 20:36 ` [PATCH 3/6] firmware: ti_sci: Introduce Power Management Ops Dave Gerlach
2022-04-21 20:36   ` Dave Gerlach
2022-04-21 20:36 ` [PATCH 4/6] firmware: ti_sci: Introduce ti,ctx-memory-region for reserved LPM memory Dave Gerlach
2022-04-21 20:36   ` [PATCH 4/6] firmware: ti_sci: Introduce ti, ctx-memory-region " Dave Gerlach
2022-04-21 20:36 ` [PATCH 5/6] firmware: ti_sci: Use dt provided fw name and address to load at suspend time Dave Gerlach
2022-04-21 20:36   ` Dave Gerlach
2022-04-21 20:36 ` [PATCH 6/6] firmware: ti_sci: Introduce prepare system suspend call Dave Gerlach
2022-04-21 20:36   ` Dave Gerlach

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