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[v4,1/7] dt-bindings: devapc: Add 'vio-idx-num' field to support mt8192

Message ID 1628478499-29460-1-git-send-email-nina-cm.wu@mediatek.com
State Not Applicable, archived
Headers show
Series [v4,1/7] dt-bindings: devapc: Add 'vio-idx-num' field to support mt8192 | expand

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robh/checkpatch success
robh/dt-meta-schema success
robh/dtbs-check success

Commit Message

Nina Wu Aug. 9, 2021, 3:08 a.m. UTC 
From: Nina Wu <Nina-CM.Wu@mediatek.com>

For new ICs, there are multiple devapc HWs for different subsys.
We add a field 'vio-idx-num' in DT to indicate the number of
devices controlled by each devapc.
To be backward compatible with old ICs which have only one devapc
HW, this field is not required. The 'vio-idx-num' info will be set
in compatible data instead.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nina Wu <Nina-CM.Wu@mediatek.com>
---
 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
index 31e4d3c..69abd03 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
+++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
@@ -20,11 +20,16 @@  properties:
   compatible:
     enum:
       - mediatek,mt6779-devapc
+      - mediatek,mt8192-devapc
 
   reg:
     description: The base address of devapc register bank
     maxItems: 1
 
+  mediatek,vio-idx-num:
+    description: The number of the devices controlled by devapc
+    $ref: /schemas/types.yaml#/definitions/uint32
+
   interrupts:
     description: A single interrupt specifier
     maxItems: 1