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Date: Thu, 19 Mar 2020 15:49:50 +0800 From: peng.fan@....com To: shawnguo@...nel.org, s.hauer@...gutronix.de, jassisinghbrar@...il.com, o.rempel@...gutronix.de, leonard.crestez@....com Cc: kernel@...gutronix.de, festevam@...il.com, linux-imx@....com, Anson.Huang@....com, aisheng.dong@....com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com> Subject: [PATCH V7 1/4] dt-bindings: mailbox: imx-mu: add SCU MU support From: Peng Fan <peng.fan@....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. Reviewed-by: Oleksij Rempel <o.rempel@...gutronix.de> Signed-off-by: Peng Fan <peng.fan@....com> --- V7: None V6: Add R-b tag 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. -- 2.16.4
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