arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu and m…

…ain mcan nodes

Add four MCAN nodes present on the common processor board and set a
maximum data rate of 5 Mbps. Disable all other nodes as they
are not brought out on the common processor board.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Apurva Nandan <a-nandan@ti.com>
Link: https://lore.kernel.org/r/20211122134159.29936-5-a-govindraju@ti.com

arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts

@@ -112,6 +112,42 @@
 			      "cpb-codec-scki",
 			      "cpb-codec-scki-48000", "cpb-codec-scki-44100";
 	};
+
+	transceiver1: can-phy0 {
+		compatible = "ti,tcan1043";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&mcu_mcan0_gpio_pins_default>;
+		standby-gpios = <&wkup_gpio0 54 GPIO_ACTIVE_LOW>;
+		enable-gpios = <&wkup_gpio0 0 GPIO_ACTIVE_HIGH>;
+	};
+
+	transceiver2: can-phy1 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&mcu_mcan1_gpio_pins_default>;
+		standby-gpios = <&wkup_gpio0 2 GPIO_ACTIVE_HIGH>;
+	};
+
+	transceiver3: can-phy2 {
+		compatible = "ti,tcan1043";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+		standby-gpios = <&exp2 7 GPIO_ACTIVE_LOW>;
+		enable-gpios = <&exp2 6 GPIO_ACTIVE_HIGH>;
+	};
+
+	transceiver4: can-phy3 {
+		compatible = "ti,tcan1042";
+		#phy-cells = <0>;
+		max-bitrate = <5000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&main_mcan2_gpio_pins_default>;
+		standby-gpios = <&main_gpio0 127 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 &main_pmx0 {
@@ -207,6 +243,26 @@
 			J721E_IOPAD(0x1a4, PIN_OUTPUT, 3) /* (W26) RGMII6_RXC.AUDIO_EXT_REFCLK2 */
 		>;
 	};
+
+	main_mcan0_pins_default: main-mcan0-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x208, PIN_INPUT, 0) /* (W5) MCAN0_RX */
+			J721E_IOPAD(0x20c, PIN_OUTPUT, 0) /* (W6) MCAN0_TX */
+		>;
+	};
+
+	main_mcan2_pins_default: main-mcan2-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x01f0, PIN_INPUT, 3) /* (AC2) MCAN2_RX.GPIO0_123 */
+			J721E_IOPAD(0x01f4, PIN_OUTPUT, 3) /* (AB1) MCAN2_TX.GPIO0_124 */
+		>;
+	};
+
+	main_mcan2_gpio_pins_default: main-mcan2-gpio-pins-default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x200, PIN_INPUT, 7) /* (AC4) UART1_CTSn.GPIO0_127 */
+		>;
+	};
 };
 
 &wkup_pmx0 {
@@ -252,6 +308,33 @@
 			J721E_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* MCU_MDIO0_MDIO */
 		>;
 	};
+
+	mcu_mcan0_pins_default: mcu-mcan0-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xac, PIN_INPUT, 0) /* (C29) MCU_MCAN0_RX */
+			J721E_WKUP_IOPAD(0xa8, PIN_OUTPUT, 0) /* (D29) MCU_MCAN0_TX */
+		>;
+	};
+
+	mcu_mcan0_gpio_pins_default: mcu-mcan0-gpio-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xb0, PIN_INPUT, 7) /* (F26) WKUP_GPIO0_0 */
+			J721E_WKUP_IOPAD(0x98, PIN_INPUT, 7) /* (E28) MCU_SPI0_D1.WKUP_GPIO0_54 */
+		>;
+	};
+
+	mcu_mcan1_pins_default: mcu-mcan1-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xc4, PIN_INPUT, 0) /* (G24) WKUP_GPIO0_5.MCU_MCAN1_RX */
+			J721E_WKUP_IOPAD(0xc0, PIN_OUTPUT, 0) /* (G25) WKUP_GPIO0_4.MCU_MCAN1_TX */
+		>;
+	};
+
+	mcu_mcan1_gpio_pins_default: mcu-mcan1-gpio-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xb8, PIN_INPUT, 7) /* (F28) WKUP_GPIO0_2 */
+		>;
+	};
 };
 
 &wkup_uart0 {
@@ -773,3 +856,75 @@
 &icssg1_mdio {
 	status = "disabled";
 };
+
+&mcu_mcan0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_mcan0_pins_default>;
+	phys = <&transceiver1>;
+};
+
+&mcu_mcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_mcan1_pins_default>;
+	phys = <&transceiver2>;
+};
+
+&main_mcan0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcan0_pins_default>;
+	phys = <&transceiver3>;
+};
+
+&main_mcan1 {
+	status = "disabled";
+};
+
+&main_mcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_mcan2_pins_default>;
+	phys = <&transceiver4>;
+};
+
+&main_mcan3 {
+	status = "disabled";
+};
+
+&main_mcan4 {
+	status = "disabled";
+};
+
+&main_mcan5 {
+	status = "disabled";
+};
+
+&main_mcan6 {
+	status = "disabled";
+};
+
+&main_mcan7 {
+	status = "disabled";
+};
+
+&main_mcan8 {
+	status = "disabled";
+};
+
+&main_mcan9 {
+	status = "disabled";
+};
+
+&main_mcan10 {
+	status = "disabled";
+};
+
+&main_mcan11 {
+	status = "disabled";
+};
+
+&main_mcan12 {
+	status = "disabled";
+};
+
+&main_mcan13 {
+	status = "disabled";
+};