linux-kernel - [PATCH v3 1/3] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC

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Date:   Wed, 21 Jul 2021 20:49:49 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh+dt@...nel.org>,
        Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v3 1/3] dt-bindings: net: can: renesas,rcar-canfd: Document RZ/G2L SoC

Add CANFD binding documentation for Renesas RZ/G2L SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 .../bindings/net/can/renesas,rcar-canfd.yaml  | 69 +++++++++++++++++--
 1 file changed, 63 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
index 0b33ba9ccb47..546c6e6d2fb0 100644
--- a/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
+++ b/Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml
@@ -30,13 +30,15 @@ properties:
               - renesas,r8a77995-canfd     # R-Car D3
           - const: renesas,rcar-gen3-canfd # R-Car Gen3 and RZ/G2
 
+      - items:
+          - enum:
+              - renesas,r9a07g044-canfd    # RZ/G2{L,LC}
+          - const: renesas,rzg2l-canfd     # RZ/G2L family
+
   reg:
     maxItems: 1
 
-  interrupts:
-    items:
-      - description: Channel interrupt
-      - description: Global interrupt
+  interrupts: true
 
   clocks:
     maxItems: 3
@@ -50,8 +52,7 @@ properties:
   power-domains:
     maxItems: 1
 
-  resets:
-    maxItems: 1
+  resets: true
 
   renesas,no-can-fd:
     $ref: /schemas/types.yaml#/definitions/flag
@@ -91,6 +92,62 @@ required:
   - channel0
   - channel1
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - renesas,rzg2l-canfd
+then:
+  properties:
+    interrupts:
+      items:
+        - description: CAN global error interrupt
+        - description: CAN receive FIFO interrupt
+        - description: CAN0 error interrupt
+        - description: CAN0 transmit interrupt
+        - description: CAN0 transmit/receive FIFO receive completion interrupt
+        - description: CAN1 error interrupt
+        - description: CAN1 transmit interrupt
+        - description: CAN1 transmit/receive FIFO receive completion interrupt
+
+    interrupt-names:
+      items:
+        - const: g_err
+        - const: g_recc
+        - const: ch0_err
+        - const: ch0_rec
+        - const: ch0_trx
+        - const: ch1_err
+        - const: ch1_rec
+        - const: ch1_trx
+
+    resets:
+      maxItems: 2
+
+    reset-names:
+      items:
+        - const: rstp_n
+        - const: rstc_n
+
+  required:
+    - interrupt-names
+    - reset-names
+else:
+  properties:
+    interrupts:
+      items:
+        - description: Channel interrupt
+        - description: Global interrupt
+
+    interrupt-names:
+      items:
+        - const: ch_int
+        - const: g_int
+
+    resets:
+      maxItems: 1
+
 unevaluatedProperties: false
 
 examples:
-- 
2.17.1