From 44ff0e88bfd7a7addc850fd4d6a7bf60c36314d3 Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Wed, 19 Feb 2020 15:27:38 +0800
Subject: MLK-23754-4 dt-bindings: remoteproc: imx-rproc: support i.MX[8, 8M,
 7ULP]

Support i.MX8/8M/7ULP:
 - Introduce early-booted property for M4 booted before Linux
 - Introduce mboxes for rpmsg/virtio to communicate with M4
 - Introduce mub-partition for hardware partition supported by i.MX8
 - Introduce rsrc-table which hold the resource table
 - Introduce rsrc-da

Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 .../devicetree/bindings/remoteproc/imx-rproc.yaml  | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)

(limited to 'Documentation/devicetree/bindings/remoteproc')

diff --git a/Documentation/devicetree/bindings/remoteproc/imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/imx-rproc.yaml
index 12a5f3de38fb..b0cfb48e60cf 100644
--- a/Documentation/devicetree/bindings/remoteproc/imx-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/imx-rproc.yaml
@@ -19,6 +19,12 @@ properties:
       enum:
         - "fsl,imx7d-cm4"
         - "fsl,imx6sx-cm4"
+        - "fsl,imx7ulp-cm4"
+        - "fsl,imx8mm-cm4"
+        - "fsl,imx8qm-cm4"
+        - "fsl,imx8qxp-cm4"
+
+  early-booted: true
 
   clocks:
     items:
@@ -30,11 +36,46 @@ properties:
      allOf:
        - $ref: "/schemas/types.yaml#/definitions/phandle"
 
+  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.txt)
+    maxItems: 3
+
+  mbox-names:
+    items:
+      - const: tx
+      - const: rx
+      - const: rxdb
+    maxItems: 3
+
   memory-region:
     description:
       List of phandles to the reserved memory regions.
       (see ../reserved-memory/reserved-memory.txt)
 
+  mub-partition:
+    description:
+      The remote Co-processor hardware partition which is only valid for
+      i.MX SoCs with hardware partition feature.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  rsrc-table:
+    description:
+      Resource table array is required only if the rpmsg/virtio
+      functionality is used.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32-array
+
+  rsrc-da:
+    description:
+      Resource table address is required only if the rpmsg/virtio
+      functionality is used, rsrc-table has high priority.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+
 required:
   - compatible
   - clocks
@@ -58,4 +99,67 @@ examples:
         clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>;
     };
 
+    imx8x-cm4 {
+        compatible = "fsl,imx8qxp-cm4";
+        rsrc-table = <
+                      0x1 0x2 0x0 0x0 0x18 0x5c
+                      3
+                      /*fw_rsc_vdev*/
+                      7 0 1 0 0 0x200
+                      /*fw_rsc_vdev_vring*/
+                      0x90000000 4096 256 1 0
+                      0x90008000 4096 256 2 0
+                      3
+                      /*fw_rsc_vdev*/
+                      7 1 1 0 0 0x200
+                      /*fw_rsc_vdev_vring*/
+                      0x90010000 4096 256 1 0
+                      0x90018000 4096 256 2 0
+                    >;
+        early-booted;
+        mbox-names = "tx", "rx", "rxdb";
+        mboxes = <&lsio_mu5 0 1
+        	  &lsio_mu5 1 1
+        	  &lsio_mu5 3 1>;
+        mub-partition = <3>;
+        memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>,
+                        <&vdev1vring0>, <&vdev1vring1>, <&vdev0buffer>;
+	};
+
+        reserved-memory {
+            #address-cells = <2>;
+            #size-cells = <2>;
+            ranges;
+
+            vdev0vring0: vdev0vring0@90000000 {
+                compatible = "shared-dma-pool";
+                reg = <0 0x90000000 0 0x8000>;
+                no-map;
+            };
+
+           vdev0vring1: vdev0vring1@90008000 {
+               compatible = "shared-dma-pool";
+               reg = <0 0x90008000 0 0x8000>;
+               no-map;
+           };
+
+           vdev1vring0: vdev1vring0@90010000 {
+               compatible = "shared-dma-pool";
+               reg = <0 0x90010000 0 0x8000>;
+               no-map;
+           };
+
+           vdev1vring1: vdev1vring1@90018000 {
+               compatible = "shared-dma-pool";
+               reg = <0 0x90018000 0 0x8000>;
+               no-map;
+           };
+
+           vdev0buffer: vdev0buffer {
+               compatible = "shared-dma-pool";
+               reg = <0 0x90400000 0 0x100000>;
+               no-map;
+           };
+};
+
 ...
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