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[参考译文] SK-AM62P-LP:CAN 引脚映射

Guru**** 2419530 points
Other Parts Discussed in Thread: AM62P, SK-AM62P-LP

请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1537835/sk-am62p-lp-can-pin-mapping

器件型号:SK-AM62P-LP
主题:AM62P 中讨论的其他器件

工具/软件:

尊敬的团队:

我指的是 https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/arch/arm64/boot/dts/ti/k3-am62p5-sk-mcan.dtso?h=ti-linux-6.1.y

&main_pmx0 {
	main_mcan0_pins_default: main-mcan0-pins-default {
		pinctrl-single,pins = <
			AM62PX_IOPAD(0x01dc, PIN_INPUT, 0) /* (F20) MCAN0_RX */
			AM62PX_IOPAD(0x01d8, PIN_OUTPUT, 0) /* (B23) MCAN0_TX */
		>;
	};

	main_mcan1_pins_default: main-mcan1-pins-default {
		pinctrl-single,pins = <
			AM62PX_IOPAD(0x00b4, PIN_INPUT, 5) /* (U25) GPMC0_CSn3.MCAN1_RX */
			AM62PX_IOPAD(0x00b0, PIN_OUTPUT, 5) /* (T22) GPMC0_CSn2.MCAN1_TX */
		>;
	};
};

&mcu_pmx0 {
	mcu_mcan0_pins_default: mcu-mcan0-pins-default {
		pinctrl-single,pins = <
			AM62PX_MCU_IOPAD(0x0038, PIN_INPUT, 0) /* (D6) MCU_MCAN0_RX */
			AM62PX_MCU_IOPAD(0x0034, PIN_OUTPUT, 0) /* (E8) MCU_MCAN0_TX */
		>;
	};

	mcu_mcan1_pins_default: mcu-mcan1-pins-default {
		pinctrl-single,pins = <
			AM62PX_MCU_IOPAD(0x0040, PIN_INPUT, 0) /* (E7) MCU_MCAN1_RX */
			AM62PX_MCU_IOPAD(0x003c, PIN_OUTPUT, 0) /* (F8) MCU_MCAN1_TX */
		>;
	};
};

我们有以下问题

1.请确认 main_pmx0 是否表示应用内核、MCU_pmx0 是否表示 R-CORE 和唤醒内核?

2.我们能够 在 AM62P TRM 上找到 GPMC0_CSn3、但无法映射到 SK-AM62P-LP TRM 中的任何引脚? 在 SK-AM62P-LP 评估中、您是否将这条线路映射到任何接头

3.对于 MCU、 如何确认它是如何映射的  MCU_MCAN0_RX and MCU_MCAN1_RX for R-core and wakeup core? or is that it can be used interchangeably?

https://www.ti.com/lit/ds/symlink/am62p.pdf?ts=1751951140183&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FAM62P Page 23

https://dev.ti.com/tirex/explore/node?node=A__AHUzGmvNPojA7NnuBeuuzg__PROCESSORS-DEVTOOLS__FUz-xrs__LATEST

Best regards,

Libin Jose

Best regards,

Libin Jose