diff mbox series

[v2,1/9] dt-binding: remoteproc: mediatek: Support dual-core SCP

Message ID 20220608083553.8697-2-tinghan.shen@mediatek.com
State New
Headers show
Series [v2,1/9] dt-binding: remoteproc: mediatek: Support dual-core SCP | expand

Commit Message

Tinghan Shen June 8, 2022, 8:35 a.m. UTC 
The MT8195 SCP co-processor is a dual-core RISC-V MCU.

Add a new property to reference the sibling core and to assign
core id to SCP nodes. Also add a new compatile for the driver of
SCP 2nd core.

Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
---
 .../devicetree/bindings/remoteproc/mtk,scp.yaml     | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Rob Herring June 9, 2022, 8:51 p.m. UTC | #1 
On Wed, 08 Jun 2022 16:35:45 +0800, Tinghan Shen wrote:
> The MT8195 SCP co-processor is a dual-core RISC-V MCU.
> 
> Add a new property to reference the sibling core and to assign
> core id to SCP nodes. Also add a new compatile for the driver of
> SCP 2nd core.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
> ---
>  .../devicetree/bindings/remoteproc/mtk,scp.yaml     | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
index eec3b9c4c713..4576ff9b1f2d 100644
--- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
@@ -20,6 +20,7 @@  properties:
       - mediatek,mt8186-scp
       - mediatek,mt8192-scp
       - mediatek,mt8195-scp
+      - mediatek,mt8195-scp-dual
 
   reg:
     description:
@@ -57,6 +58,17 @@  properties:
   memory-region:
     maxItems: 1
 
+  mediatek,scp-core:
+    $ref: "/schemas/types.yaml#/definitions/phandle-array"
+    description:
+      Reference to the sibling SCP core. This is required to
+      enable support for dual-core SCP.
+    items:
+      - items:
+          - description: Phandle of sibling SCP node.
+          - description: Core id of this SCP node
+            enum: [0, 1]
+
 required:
   - compatible
   - reg
@@ -115,6 +127,7 @@  examples:
         reg-names = "sram", "cfg", "l1tcm";
         clocks = <&infracfg CLK_INFRA_SCPSYS>;
         clock-names = "main";
+        mediatek,scp-core = <&scp_dual 0>;
 
         cros_ec {
             mediatek,rpmsg-name = "cros-ec-rpmsg";