[PATCH v3] dt-bindings: i2c: renesas,rcar-i2c: allow 6 DMA channels

[PATCH v3] dt-bindings: i2c: renesas,rcar-i2c: allow 6 DMA channels

[Wolfram Sang]

R-Car Gen5 can make use of it.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Changes since v2:

- dropped extra limits for Gen3/4 based on a discussion with Geert[1].
  I dropped Conor's ack because of this being a bigger change. If
  Sashiko complains again, we will ignore it

- not a a change, but after an internal discussion with Geert, we
  concluded that his suggestion of raising to 8 is not fully backed
  with current documentation and we keep it 6 (for now)

[1] https://lore.kernel.org/r/CAMuHMdXj04QoxituCF3wRcyzN7qZrVBn7-ukNkKDd0OfhB8zOQ@mail.gmail.com

 Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
index f9ede03c3287..4148081e3d84 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/renesas,rcar-i2c.yaml
@@ -83,14 +83,14 @@ properties:
 
   dmas:
     minItems: 2
-    maxItems: 4
+    maxItems: 6
     description:
       Must contain a list of pairs of references to DMA specifiers, one for
       transmission, and one for reception.
 
   dma-names:
     minItems: 2
-    maxItems: 4
+    maxItems: 6
     items:
       enum:
         - tx
-- 
2.53.0

Re: [PATCH v3] dt-bindings: i2c: renesas,rcar-i2c: allow 6 DMA channels

[Geert Uytterhoeven]

On Wed, 9 Sept 2026 at 20:42, Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> R-Car Gen5 can make use of it.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
>
> Changes since v2:
>
> - dropped extra limits for Gen3/4 based on a discussion with Geert[1].
>   I dropped Conor's ack because of this being a bigger change. If
>   Sashiko complains again, we will ignore it
>
> - not a a change, but after an internal discussion with Geert, we
>   concluded that his suggestion of raising to 8 is not fully backed
>   with current documentation and we keep it 6 (for now)
>
> [1] https://lore.kernel.org/r/CAMuHMdXj04QoxituCF3wRcyzN7qZrVBn7-ukNkKDd0OfhB8zOQ@mail.gmail.com

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH v3] dt-bindings: i2c: renesas,rcar-i2c: allow 6 DMA channels

[Krzysztof Kozlowski]

On Wed, Sep 09, 2026 at 08:35:32PM +0200, Wolfram Sang wrote:
> R-Car Gen5 can make use of it.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>

Best regards,
Krzysztof