Thread (11 messages) 11 messages, 4 authors, 2020-05-26
STALE2196d
Revisions (4)
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  4. v6 [diff vs current]

[PATCH v5 3/5] dt-bindings: microchip: atmel,at91rm9200-tcb: add sama5d2 compatible

From: Kamel Bouhara <kamel.bouhara@bootlin.com>
Date: 2020-05-19 08:37:29
Also in: linux-arm-kernel, linux-devicetree, linux-iio
Subsystem: microchip soc drivers, open firmware and flattened device tree bindings, the rest · Maintainers: Conor Dooley, Rob Herring, Krzysztof Kozlowski, Linus Torvalds

From: Alexandre Belloni <alexandre.belloni@bootlin.com>

The sama5d2 TC block TIMER_CLOCK1 is different from the at91sam9x5 one.
Instead of being MCK / 2, it is the TCB GCLK.

Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 .../soc/microchip/atmel,at91rm9200-tcb.yaml   | 36 +++++++++++++++----
 1 file changed, 30 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
index 4b683151265e..38403760f64d 100644
--- a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
+++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
@@ -19,6 +19,7 @@ properties:
       - enum:
           - atmel,at91rm9200-tcb
           - atmel,at91sam9x5-tcb
+          - atmel,sama5d2-tcb
       - const: simple-mfd
       - const: syscon
 
@@ -38,12 +39,6 @@ properties:
       t1_clk and t2_clk if a clock per channel is available.
     minItems: 2
     maxItems: 4
-    items:
-      enum:
-        - t0_clk
-        - t1_clk
-        - t2_clk
-        - slow_clk
 
   clocks:
     minItems: 2
@@ -72,6 +67,35 @@ patternProperties:
       - compatible
       - reg
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: atmel,sama5d2-tcb
+    then:
+      properties:
+        clocks:
+          minItems: 3
+          maxItems: 3
+        clock-names:
+          items:
+            - const: t0_clk
+            - const: gclk
+            - const: slow_clk
+    else:
+      properties:
+        clocks:
+          minItems: 2
+          maxItems: 4
+        clock-names:
+          items:
+            enum:
+              - t0_clk
+              - t1_clk
+              - t2_clk
+              - slow_clk
+
 required:
   - compatible
   - reg
-- 
2.25.0
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