[PATCH v3 3/4] dt-bindings: serial: renesas,scif: Document R9A09G057 support

From: Prabhakar
Date: Mon Mar 18 2024 - 13:23:14 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Document support for the Serial Communication Interface with FIFO (SCIF)
available in the Renesas RZ/V2H(P) (R9A09G057) SoC. The SCIF interface in
the Renesas RZ/V2H(P) is similar to that available in the RZ/G2L
(R9A07G044) SoC, with the only difference being that the RZ/V2H(P) SoC has
three additional interrupts: one for Tx end/Rx ready and the other two for
Rx and Tx buffer full, which are edge-triggered.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
v2->v3
- Added SoC specific compat string
---
.../bindings/serial/renesas,scif.yaml | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
index 53f18e9810fd..e4ce13e20cd7 100644
--- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
+++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
@@ -79,6 +79,8 @@ properties:
- renesas,scif-r9a08g045 # RZ/G3S
- const: renesas,scif-r9a07g044 # RZ/G2{L,LC} fallback

+ - const: renesas,scif-r9a09g057 # RZ/V2H(P)
+
reg:
maxItems: 1

@@ -204,6 +206,37 @@ allOf:
- const: dri
- const: tei

+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,scif-r9a09g057
+ then:
+ properties:
+ interrupts:
+ items:
+ - description: Error interrupt
+ - description: Receive buffer full interrupt
+ - description: Transmit buffer empty interrupt
+ - description: Break interrupt
+ - description: Data Ready interrupt
+ - description: Transmit End interrupt
+ - description: Transmit End/Data Ready interrupt
+ - description: Receive buffer full interrupt (EDGE trigger)
+ - description: Transmit buffer empty interrupt (EDGE trigger)
+
+ interrupt-names:
+ items:
+ - const: eri
+ - const: rxi
+ - const: txi
+ - const: bri
+ - const: dri
+ - const: tei
+ - const: tei-dri
+ - const: rxi-edge
+ - const: txi-edge
+
unevaluatedProperties: false

examples:
--
2.34.1