固件类型：自行编译的固件
SDK包名称：firefly_rk3588_android12.0_git_20220311
SDK修改内容：如内容描述所示
Log日志：roc_rk3588s_pc_can.log
问题现象：can0无法读到数据。
自行编译ROM，ip link ls可以看到can0，candump any没有任何数据输出。（使用官方ROM：ROC-RK3588S-PC_Android12_HDMI_230315.img，candump any可以读到数据）
SDK修改内容：
— a/kernel-5.10/arch/arm64/boot/dts/rockchip/roc-rk3588s-pc.dts
+++ b/kernel-5.10/arch/arm64/boot/dts/rockchip/roc-rk3588s-pc.dts
@@ -7,7 +7,7 @@
/dts-v1/;
#include “roc-rk3588s-pc.dtsi”
-//#include “roc-rk3588s-pc-ext.dtsi”
+#include “roc-rk3588s-pc-ext.dtsi”
#include “rk3588-roc-pc-cam-8ms1m.dtsi”
根据文档内容对应确认（实际无修改）
kernel-5.10/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
can0: can[b]@fea50000[/b] { compatible = "rockchip,can-2.0"; reg = <0x0 0xfea50000 0x0 0x1000>; interrupts = <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>; clocks = <&cru CLK_CAN0>, <&cru PCLK_CAN0>; clock-names = "baudclk", "apb_pclk"; resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>; reset-names = "can", "can-apb"; pinctrl-names = "default"; pinctrl-0 = <&can0m0_pins>; tx-fifo-depth = <1>; rx-fifo-depth = <6>; status = "disabled"; }; can1: can[b]@fea60000[/b] { compatible = "rockchip,can-2.0"; reg = <0x0 0xfea60000 0x0 0x1000>; interrupts = <GIC_SPI 342 IRQ_TYPE_LEVEL_HIGH>; clocks = <&cru CLK_CAN1>, <&cru PCLK_CAN1>; clock-names = "baudclk", "apb_pclk"; resets = <&cru SRST_CAN1>, <&cru SRST_P_CAN1>; reset-names = "can", "can-apb"; pinctrl-names = "default"; pinctrl-0 = <&can1m0_pins>; tx-fifo-depth = <1>; rx-fifo-depth = <6>; status = "disabled"; }; can2: can[b]@fea70000[/b] { compatible = "rockchip,can-2.0"; reg = <0x0 0xfea70000 0x0 0x1000>; interrupts = <GIC_SPI 343 IRQ_TYPE_LEVEL_HIGH>; clocks = <&cru CLK_CAN2>, <&cru PCLK_CAN2>; clock-names = "baudclk", "apb_pclk"; resets = <&cru SRST_CAN2>, <&cru SRST_P_CAN2>; reset-names = "can", "can-apb"; pinctrl-names = "default"; pinctrl-0 = <&can2m0_pins>; tx-fifo-depth = <1>; rx-fifo-depth = <6>; status = "disabled"; };
arch/arm64/boot/dts/rockchip/roc-rk3588s-pc-ext.dtsi&can2 { status = “okay”; pinctrl-names = “default”; pinctrl-0 = <&can2m0_pins>;};
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roc_rk3588s_pc_can.log (1.72 KB)