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arm64: dts: ti: k3-j722s-evm: Add support for multiple CAN instances

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CAN instances 0 and 1 in the mcu domain and 0 in the main domain are
brought on the evm through headers J5, J8 and J10 respectively. Thus,
add their respective transceiver's 0, 1 and 2 dt nodes as well as
add the required pinmux to add support for these CAN instances.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
Reviewed-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240827105644.575862-2-b-kapoor@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Bhavya Kapoor 2024-08-27 16:26:43 +05:30 committed by Nishanth Menon
parent 010b035ab4
commit 46ca5c7207
1 changed files with 74 additions and 0 deletions
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74
arch/arm64/boot/dts/ti/k3-j722s-evm.dts
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@ -163,10 +163,39 @@ sound_master: simple-audio-card,codec {
clocks = <&audio_refclk1>;
};
};
transceiver0: can-phy0 {
compatible = "ti,tcan1042";
#phy-cells = <0>;
max-bitrate = <5000000>;
pinctrl-names = "default";
pinctrl-0 = <&mcu_mcan0_gpio_pins_default>;
standby-gpios = <&mcu_gpio0 12 GPIO_ACTIVE_HIGH>;
};
transceiver1: can-phy1 {
compatible = "ti,tcan1042";
#phy-cells = <0>;
max-bitrate = <5000000>;
};
transceiver2: can-phy2 {
compatible = "ti,tcan1042";
#phy-cells = <0>;
max-bitrate = <5000000>;
standby-gpios = <&exp1 17 GPIO_ACTIVE_HIGH>;
};
};
&main_pmx0 {
main_mcan0_pins_default: main-mcan0-default-pins {
pinctrl-single,pins = <
J722S_IOPAD(0x1dc, PIN_INPUT, 0) /* (C22) MCAN0_RX */
J722S_IOPAD(0x1d8, PIN_OUTPUT, 0) /*(D22) MCAN0_TX */
>;
};
main_i2c0_pins_default: main-i2c0-default-pins {
pinctrl-single,pins = <
J722S_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D23) I2C0_SCL */
@ -318,6 +347,26 @@ &main_uart5 {
&mcu_pmx0 {
mcu_mcan0_pins_default: mcu-mcan0-default-pins {
pinctrl-single,pins = <
J722S_MCU_IOPAD(0x038, PIN_INPUT, 0) /* (D8) MCU_MCAN0_RX */
J722S_MCU_IOPAD(0x034, PIN_OUTPUT, 0) /* (B2) MCU_MCAN0_TX */
>;
};
mcu_mcan1_pins_default: mcu-mcan1-default-pins {
pinctrl-single,pins = <
J722S_MCU_IOPAD(0x040, PIN_INPUT, 0) /* (B1) MCU_MCAN1_RX */
J722S_MCU_IOPAD(0x03C, PIN_OUTPUT, 0) /*(C1) MCU_MCAN1_TX */
>;
};
mcu_mcan0_gpio_pins_default: mcu-mcan0-gpio-default-pins {
pinctrl-single,pins = <
J722S_MCU_IOPAD(0x0030, PIN_OUTPUT, 7) /* (C3) MCU_GPIO0_12 */
>;
};
wkup_uart0_pins_default: wkup-uart0-default-pins {
pinctrl-single,pins = <
J722S_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */
@ -581,3 +630,28 @@ &mcasp1 {
0 0 0 0
>;
};
&mcu_mcan0 {
pinctrl-names = "default";
pinctrl-0 = <&mcu_mcan0_pins_default>;
phys = <&transceiver0>;
status = "okay";
};
&mcu_mcan1 {
pinctrl-names = "default";
pinctrl-0 = <&mcu_mcan1_pins_default>;
phys = <&transceiver1>;
status = "okay";
};
&main_mcan0 {
pinctrl-names = "default";
pinctrl-0 = <&main_mcan0_pins_default>;
phys = <&transceiver2>;
status = "okay";
};
&mcu_gpio0 {
status = "okay";
};