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dt-bindings: can: rockchip: add rk3588 CAN-FD compatible

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RK3588 integrates a Rockchip CAN-FD controller variant that is not
fully compatible with RK3568v2. The RX FIFO count register field is
encoded in bits 7:5 on RK3588, while RK3568v2 uses bits 6:4.

Add a dedicated rockchip,rk3588-canfd compatible to describe this
variant. Do not use rockchip,rk3568v2-canfd as a fallback, because that
would describe a register layout that does not match the hardware.

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Cunhao Lu <1579567540@qq.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/tencent_AE1A1199FC8C9ADC680C6458134A46B40309@qq.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Cunhao Lu 2026-07-30 22:34:02 +08:00 committed by Marc Kleine-Budde
parent a0d62de8ad
commit 1802936fa0
1 changed files with 3 additions and 1 deletions
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4
Documentation/devicetree/bindings/net/can/rockchip,rk3568v2-canfd.yaml
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@ -16,7 +16,9 @@ allOf:
properties:
compatible:
oneOf:
- const: rockchip,rk3568v2-canfd
- enum:
- rockchip,rk3568v2-canfd
- rockchip,rk3588-canfd
- items:
- const: rockchip,rk3568v3-canfd
- const: rockchip,rk3568v2-canfd