[PATCH v5 4/4] arm64: dts: rockchip: Enable CAN controller on RK3588-Tiger-Haikou
Cunhao Lu <[email protected]> Sat, 25 Jul 2026 15:03:34 +0800
| Newsgroups | org.kernel.vger.linux-can,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
From: Heiko Stuebner <[email protected]> CAN0 is piped through the Q7-connector to the CAN-Header on the Haikou base-board, so enable support for it there. At least on RK3588-Tiger, the CAN clocks default to 99MHz, limiting usable CAN bitrates without skew. Errata documentation mentions 300MHz as the default frequency on RK3568, so replicate this here to allow more bitrates. Signed-off-by: Heiko Stuebner <[email protected]> Signed-off-by: Cunhao Lu <[email protected]> --- arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou.dts index 873fbeb8daa1..6273e695b039 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588-tiger-haikou.dts @@ -155,6 +155,12 @@ vddd_audio_1v6: regulator-vddd-audio-1v6 { }; }; +&can0 { + assigned-clocks = <&cru CLK_CAN0>; + assigned-clock-rates = <300000000>; + status = "okay"; +}; + &combphy2_psu { status = "okay"; }; -- 2.34.1