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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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