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Message-Id: <1611191015-22584-3-git-send-email-peng.fan@nxp.com>
Date:   Thu, 21 Jan 2021 09:03:27 +0800
From:   peng.fan@....com
To:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, o.rempel@...gutronix.de,
        robh+dt@...nel.org, devicetree@...r.kernel.org
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        paul@...pouillou.net, matthias.bgg@...il.com, agross@...nel.org,
        patrice.chotard@...com, Peng Fan <peng.fan@....com>
Subject: [PATCH V9 02/10] dt-bindings: remoteproc: imx_rproc: add i.MX8MQ/M support

From: Peng Fan <peng.fan@....com>

Add i.MX8MQ/M support, also include mailbox for rpmsg/virtio usage.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 .../bindings/remoteproc/fsl,imx-rproc.yaml    | 51 ++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
index bce6ccfe1538..7ae0fca24403 100644
--- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
@@ -4,7 +4,7 @@
 $id: "http://devicetree.org/schemas/remoteproc/fsl,imx-rproc.yaml#"
 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
 
-title: NXP iMX6SX/iMX7D Co-Processor Bindings
+title: NXP i.MX Co-Processor Bindings
 
 description:
   This binding provides support for ARM Cortex M4 Co-processor found on some NXP iMX SoCs.
@@ -15,6 +15,8 @@ maintainers:
 properties:
   compatible:
     enum:
+      - fsl,imx8mq-cm4
+      - fsl,imx8mm-cm4
       - fsl,imx7d-cm4
       - fsl,imx6sx-cm4
 
@@ -26,6 +28,20 @@ properties:
     description:
       Phandle to syscon block which provide access to System Reset Controller
 
+  mbox-names:
+    items:
+      - const: tx
+      - const: rx
+      - const: rxdb
+
+  mboxes:
+    description:
+      This property is required only if the rpmsg/virtio functionality is used.
+      List of <&phandle type channel> - 1 channel for TX, 1 channel for RX, 1 channel for RXDB.
+      (see mailbox/fsl,mu.yaml)
+    minItems: 1
+    maxItems: 3
+
   memory-region:
     description:
       list of phandels to the reserved memory regions.
@@ -56,4 +72,37 @@ examples:
       clocks		= <&clks IMX7D_ARM_M4_ROOT_CLK>;
     };
 
+  - |
+    #include <dt-bindings/clock/imx8mm-clock.h>
+    rsc_table: rsc_table@...ff000 {
+      no-map;
+      reg = <0x550ff000 0x1000>;
+    };
+
+    vdev0vring0: vdev0vring0@...00000 {
+      no-map;
+      reg = <0x55000000 0x8000>;
+    };
+
+    vdev0vring1: vdev0vring1@...08000 {
+      reg = <0x55008000 0x8000>;
+      no-map;
+    };
+
+    vdev0buffer: vdev0buffer@...00000 {
+      compatible = "shared-dma-pool";
+      reg = <0x55400000 0x100000>;
+      no-map;
+    };
+
+    imx8mm-cm4 {
+      compatible = "fsl,imx8mm-cm4";
+      clocks = <&clk IMX8MM_CLK_M4_DIV>;
+      mbox-names = "tx", "rx", "rxdb";
+      mboxes = <&mu 0 1
+                &mu 1 1
+                &mu 3 1>;
+      memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>;
+      syscon = <&src>;
+    };
 ...
-- 
2.28.0

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