From: Rob Herring <robh@kernel.org>
To: Lars Povlsen <lars.povlsen@microchip.com>
Cc: Sebastian Reichel <sre@kernel.org>, SoC Team <soc@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property
Date: Wed, 27 May 2020 20:25:02 -0600 [thread overview]
Message-ID: <20200528022502.GA3234572@bogus> (raw)
In-Reply-To: <20200513130842.24847-4-lars.povlsen@microchip.com>
On Wed, May 13, 2020 at 03:08:40PM +0200, Lars Povlsen wrote:
> This documents the 'microchip,reset-switch-core' property in the
> ocelot-reset driver.
>
> Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
> ---
> .../devicetree/bindings/power/reset/ocelot-reset.txt | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> index 4d530d8154848..20fff03753ad2 100644
> --- a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> +++ b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> @@ -9,9 +9,15 @@ microchip Sparx5 armv8 SoC's.
> Required Properties:
> - compatible: "mscc,ocelot-chip-reset" or "microchip,sparx5-chip-reset"
>
> +Optional properties:
> +- microchip,reset-switch-core : Perform a switch core reset at the
> + time of driver load. This is may be used to initialize the switch
> + core to a known state (before other drivers are loaded).
How do you know when other drivers are loaded? This could be a module
perhaps. Doesn't seem like something that belongs in DT.
Can this behavior be implied with "microchip,sparx5-chip-reset"?
Rob
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Lars Povlsen <lars.povlsen@microchip.com>
Cc: devicetree@vger.kernel.org,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
Sebastian Reichel <sre@kernel.org>,
Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
SoC Team <soc@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property
Date: Wed, 27 May 2020 20:25:02 -0600 [thread overview]
Message-ID: <20200528022502.GA3234572@bogus> (raw)
In-Reply-To: <20200513130842.24847-4-lars.povlsen@microchip.com>
On Wed, May 13, 2020 at 03:08:40PM +0200, Lars Povlsen wrote:
> This documents the 'microchip,reset-switch-core' property in the
> ocelot-reset driver.
>
> Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
> ---
> .../devicetree/bindings/power/reset/ocelot-reset.txt | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> index 4d530d8154848..20fff03753ad2 100644
> --- a/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> +++ b/Documentation/devicetree/bindings/power/reset/ocelot-reset.txt
> @@ -9,9 +9,15 @@ microchip Sparx5 armv8 SoC's.
> Required Properties:
> - compatible: "mscc,ocelot-chip-reset" or "microchip,sparx5-chip-reset"
>
> +Optional properties:
> +- microchip,reset-switch-core : Perform a switch core reset at the
> + time of driver load. This is may be used to initialize the switch
> + core to a known state (before other drivers are loaded).
How do you know when other drivers are loaded? This could be a module
perhaps. Doesn't seem like something that belongs in DT.
Can this behavior be implied with "microchip,sparx5-chip-reset"?
Rob
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next prev parent reply other threads:[~2020-05-28 2:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 13:08 [PATCH 0/5] power: Adding support for Microchip Sparx5 SoC Lars Povlsen
2020-05-13 13:08 ` Lars Povlsen
2020-05-13 13:08 ` [PATCH 1/5] dt-bindings: reset: ocelot: Add Sparx5 support Lars Povlsen
2020-05-13 13:08 ` Lars Povlsen
2020-05-13 13:08 ` [PATCH 2/5] power: reset: ocelot: Add support for Sparx5 Lars Povlsen
2020-05-13 13:08 ` Lars Povlsen
2020-05-13 13:08 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property Lars Povlsen
2020-05-13 13:08 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip, reset-switch-core' property Lars Povlsen
2020-05-28 2:25 ` Rob Herring [this message]
2020-05-28 2:25 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property Rob Herring
2020-06-02 9:49 ` Lars Povlsen
2020-06-02 9:49 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip, reset-switch-core' property Lars Povlsen
2020-08-28 16:39 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property Sebastian Reichel
2020-08-31 8:19 ` Lars Povlsen
2020-08-31 8:19 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip, reset-switch-core' property Lars Povlsen
2020-09-16 8:00 ` [PATCH 3/5] dt-bindings: reset: ocelot: Add documentation for 'microchip,reset-switch-core' property Lars Povlsen
2020-09-29 22:04 ` Sebastian Reichel
2020-05-13 13:08 ` [PATCH 4/5] power: reset: ocelot: Add support for reset switch on load time Lars Povlsen
2020-05-13 13:08 ` Lars Povlsen
2020-05-13 13:08 ` [PATCH 5/5] arm64: dts: sparx5: Add reset support Lars Povlsen
2020-05-13 13:08 ` Lars Povlsen
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