From: Vitor Soares <[email protected]> Add a device tree overlay enabling AM62 MCU_MCAN1 on the Toradex Verdin Development Board with Verdin AM62 Mezzanine expansion board. MCU_MCAN1 is exposed on the Mezzanine CAN Header (J13), Pin 3 (CAN1_CONN_N) and Pin 4 (CAN1_CONN_P).
Assisted-by: Claude:claude-sonnet-4.6 Signed-off-by: Vitor Soares <[email protected]> --- arch/arm64/boot/dts/ti/Makefile | 4 +++ .../ti/k3-am625-verdin-dev-mezzanine-can.dtso | 28 +++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am625-verdin-dev-mezzanine-can.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 60844951c9ce..90bb3b0522d3 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -29,6 +29,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-tevi-ov5640.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-phyboard-lyra-rdk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-tqma62xx-mba62xx.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dev-mezzanine-can.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dev-nau8822-btl.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dsi-to-hdmi.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo @@ -228,6 +229,8 @@ k3-am625-sk-hdmi-audio-dtbs := k3-am625-sk.dtb k3-am62x-sk-hdmi-audio.dtbo k3-am625-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch-dtbs := \ k3-am625-verdin-wifi-dev.dtb \ k3-am625-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo +k3-am625-verdin-wifi-dev-mezzanine-can-dtbs := k3-am625-verdin-wifi-dev.dtb \ + k3-am625-verdin-dev-mezzanine-can.dtbo k3-am625-verdin-wifi-dev-nau8822-btl-dtbs := k3-am625-verdin-wifi-dev.dtb \ k3-am625-verdin-dev-nau8822-btl.dtbo k3-am625-verdin-wifi-dev-ov5640-24mhz-dtbs := k3-am625-verdin-wifi-dev.dtb \ @@ -344,6 +347,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-sk-csi2-tevi-ov5640.dtb \ k3-am625-sk-hdmi-audio.dtb \ k3-am625-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch.dtb \ + k3-am625-verdin-wifi-dev-mezzanine-can.dtb \ k3-am625-verdin-wifi-dev-nau8822-btl.dtb \ k3-am625-verdin-wifi-dev-ov5640-24mhz.dtb \ k3-am625-verdin-wifi-dev-ov5640.dtb \ diff --git a/arch/arm64/boot/dts/ti/k3-am625-verdin-dev-mezzanine-can.dtso b/arch/arm64/boot/dts/ti/k3-am625-verdin-dev-mezzanine-can.dtso new file mode 100644 index 000000000000..7ebf60d27c3c --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-verdin-dev-mezzanine-can.dtso @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright (c) Toradex + * + * Enable AM62 MCU_MCAN1 exposed on Toradex Verdin Development Board with + * Verdin AM62 Mezzanine expansion board on CAN Header (J13), + * Pin 3 (CAN1_CONN_N) and Pin 4 (CAN1_CONN_P). + */ + +/dts-v1/; +/plugin/; + +#include "k3-pinctrl.h" + +&mcu_pmx0 { + pinctrl_mcu_mcan1: mcu-mcan1-default-pins { + pinctrl-single,pins = < + AM62X_MCU_IOPAD(0x0040, PIN_INPUT, 0) /* (D4) MCU_MCAN1_RX (SODIMM 116) */ + AM62X_MCU_IOPAD(0x003c, PIN_OUTPUT, 0) /* (E5) MCU_MCAN1_TX (SODIMM 128) */ + >; + }; +}; + +&mcu_mcan1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mcu_mcan1>; + status = "okay"; +}; -- 2.54.0
