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[3/8] dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings

Message ID 20220405112724.2760905-4-claudiu.beznea@microchip.com (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series power: reset: at91-reset: add support for sama7g5 | expand

Commit Message

Claudiu Beznea April 5, 2022, 11:27 a.m. UTC
Add documentation for SAMA7G5 reset controller. Compared with previous
versions of reset controllers this one contains support for resetting
in SoC devices (e.g. USB PHYs).

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 .../reset/atmel,at91sam9260-reset.yaml        | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

Comments

Rob Herring (Arm) April 6, 2022, 6:34 p.m. UTC | #1
On Tue, 05 Apr 2022 14:27:19 +0300, Claudiu Beznea wrote:
> Add documentation for SAMA7G5 reset controller. Compared with previous
> versions of reset controllers this one contains support for resetting
> in SoC devices (e.g. USB PHYs).
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
> ---
>  .../reset/atmel,at91sam9260-reset.yaml        | 23 +++++++++++++++++--
>  1 file changed, 21 insertions(+), 2 deletions(-)
> 

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

Patch

diff --git a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
index 92936c987c9a..a165c10ae474 100644
--- a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
+++ b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
@@ -10,7 +10,8 @@  maintainers:
   - Claudiu Beznea <claudiu.beznea@gmail.com>
 
 description: |
-  The system reset controller can be used to reset the CPU.
+  The system reset controller can be used to reset the CPU. In case of
+  SAMA7G5 it can also reset some devices (e.g. USB PHYs).
 
 properties:
   compatible:
@@ -21,21 +22,39 @@  properties:
               - atmel,at91sam9g45-rstc
               - atmel,sama5d3-rstc
               - microchip,sam9x60-rstc
+              - microchip,sama7g5-rstc
       - items:
           - const: atmel,sama5d3-rstc
           - const: atmel,at91sam9g45-rstc
 
   reg:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: base registers for system reset control
+      - description: registers for device specific reset control
 
   clocks:
     maxItems: 1
 
+  "#reset-cells":
+    const: 1
+
 required:
   - compatible
   - reg
   - clocks
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - microchip,sama7g5-rstc
+    then:
+      required:
+        - "#reset-cells"
+
 additionalProperties: false
 
 examples: