Silicon Revision 1.0 of the AM65x came with a slightly different ICSSG
support: Only 2 PRUs per slice are available and instead 2 additional
DMA channels are used for management purposes. We have no restrictions
on specified PRUs, but the DMA channels need to be adjusted.
Co-developed-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Signed-off-by: Diogo Ivo <diogo.ivo@xxxxxxxxxxx>
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Reviewed-by: Roger Quadros <rogerq@xxxxxxxxxx>
---
Changes in v4:
- Added Reviewed-by tags from Roger and Conor
Changes in v3:
- Fixed dt_binding_check error by moving allOf
Changes in v2:
- Removed explicit reference to SR2.0
- Moved sr1 to the SoC name
- Expand dma-names list and adjust min/maxItems depending on SR1.0/2.0
.../bindings/net/ti,icssg-prueth.yaml | 35 +++++++++++++++----
1 file changed, 29 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml b/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
index 229c8f32019f..e253fa786092 100644
--- a/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
+++ b/Documentation/devicetree/bindings/net/ti,icssg-prueth.yaml
@@ -13,14 +13,12 @@ description:
Ethernet based on the Programmable Real-Time Unit and Industrial
Communication Subsystem.
-allOf:
- - $ref: /schemas/remoteproc/ti,pru-consumer.yaml#
-
properties:
compatible:
enum:
- - ti,am642-icssg-prueth # for AM64x SoC family
- - ti,am654-icssg-prueth # for AM65x SoC family
+ - ti,am642-icssg-prueth # for AM64x SoC family
+ - ti,am654-icssg-prueth # for AM65x SoC family
+ - ti,am654-sr1-icssg-prueth # for AM65x SoC family, SR1.0
sram:
$ref: /schemas/types.yaml#/definitions/phandle
@@ -28,9 +26,11 @@ properties:
phandle to MSMC SRAM node
dmas:
- maxItems: 10
+ minItems: 10
+ maxItems: 12
dma-names:
+ minItems: 10
items:
- const: tx0-0
- const: tx0-1
@@ -42,6 +42,8 @@ properties:
- const: tx1-3
- const: rx0
- const: rx1
+ - const: rxmgm0
+ - const: rxmgm1
ti,mii-g-rt:
$ref: /schemas/types.yaml#/definitions/phandle
@@ -132,6 +134,27 @@ required:
- interrupts
- interrupt-names
+allOf:
+ - $ref: /schemas/remoteproc/ti,pru-consumer.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: ti,am654-sr1-icssg-prueth
+ then:
+ properties:
+ dmas:
+ minItems: 12
+ dma-names:
+ minItems: 12
+ else:
+ properties:
+ dmas:
+ maxItems: 10
+ dma-names:
+ maxItems: 10
+
unevaluatedProperties: false
examples:
--
2.44.0
