From: Oleksij Rempel <o.rempel@pengutronix.de>
To: peng.fan@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de,
jassisinghbrar@gmail.com
Cc: aisheng.dong@nxp.com, Anson.Huang@nxp.com,
linux-kernel@vger.kernel.org, linux-imx@nxp.com,
kernel@pengutronix.de, leonard.crestez@nxp.com,
festevam@gmail.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V5 1/4] dt-bindings: mailbox: imx-mu: add SCU MU support
Date: Tue, 3 Mar 2020 08:54:25 +0100 [thread overview]
Message-ID: <6f793db4-d4af-1cfa-4039-144e0ef20d28@pengutronix.de> (raw)
In-Reply-To: <1583221359-9285-2-git-send-email-peng.fan@nxp.com>
On 03.03.20 08:42, peng.fan@nxp.com wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> i.MX8/8X SCU MU is dedicated for communication between SCU
> and Cortex-A cores from hardware design, it could not be reused
> for other purpose. To use SCU MU more effectivly, add "fsl,imx8-scu-mu"
> compatile to support fast IPC.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>
> V5:
> None
> V4:
> None
> V3:
> New patch
>
> Documentation/devicetree/bindings/mailbox/fsl,mu.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> index 9c43357c5924..31486c9f6443 100644
> --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.txt
> @@ -23,6 +23,8 @@ Required properties:
> be included together with SoC specific compatible.
> There is a version 1.0 MU on imx7ulp, use "fsl,imx7ulp-mu"
> compatible to support it.
> + To communicate with i.MX8 SCU, "fsl,imx8-mu-scu" could be
> + used for fast IPC
> - reg : Should contain the registers location and length
> - interrupts : Interrupt number. The interrupt specifier format depends
> on the interrupt controller parent.
>
Kind regards,
Oleksij Rempel
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
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next prev parent reply other threads:[~2020-03-03 7:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-03 7:42 [PATCH V5 0/4] mailbox/firmware: imx: support SCU channel type peng.fan
2020-03-03 7:42 ` [PATCH V5 1/4] dt-bindings: mailbox: imx-mu: add SCU MU support peng.fan
2020-03-03 7:54 ` Oleksij Rempel [this message]
2020-03-03 7:42 ` [PATCH V5 2/4] mailbox: imx: restructure code to make easy for new MU peng.fan
2020-03-03 7:55 ` Oleksij Rempel
2020-03-03 7:42 ` [PATCH V5 3/4] mailbox: imx: add SCU MU support peng.fan
2020-03-03 7:57 ` Oleksij Rempel
2020-03-03 15:14 ` kbuild test robot
2020-03-03 7:42 ` [PATCH V5 4/4] firmware: imx-scu: Support one TX and one RX peng.fan
2020-03-03 7:59 ` Oleksij Rempel
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