From: Faiz Abbas <faiz_abbas@xxxxxx>
Add two MCAN nodes present on the common processor board and set a
maximum data rate of 5 Mbps. Disable all other nodes for now.
Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
---
.../dts/ti/k3-j721e-common-proc-board.dts | 116 ++++++++++++++++++
1 file changed, 116 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 8bd02d9e28ad..d40e282325c9 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -109,6 +109,25 @@
"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>;
+ };
};
&main_pmx0 {
@@ -249,6 +268,33 @@
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 {
@@ -770,3 +816,73 @@
&icssg1_mdio {
status = "disabled";
};
+
+&mcu_mcan0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_mcan0_pins_default>;
+ phys = <&transceiver1>;
+};
+
+&mcu_mcan1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_mcan1_pins_default>;
+ phys = <&transceiver2>;
+};
+
+&main_mcan0 {
+ status = "disabled";
+};
+
+&main_mcan1 {
+ status = "disabled";
+};
+
+&main_mcan2 {
+ status = "disabled";
+};
+
+&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";
+};
--
2.17.1
