Bone can

src/arm/BONE-CAN0.dts

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 Deepak Khatri <[email protected]>
+ *
+ * Virtual cape for /dev/bone/can/0 (only on BBB)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/dts-v1/;
+/plugin/;
+
+/*
+* Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
+*/
+&{/chosen} {
+    overlays {
+        BONE-CAN0 = __TIMESTAMP__;
+    };
+};
+
+/*
+ * Update the default pinmux of the pins.
+ * See these files for the phandles (&P9_* & &P8_*)
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/am335x-bone-common-univ.dtsi
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/am572x-bone-common-univ.dtsi
+ */
+&ocp {
+    P9_19_pinmux { pinctrl-0 = <&P9_19_can_pin>;};  /* can rx */
+    P9_20_pinmux { pinctrl-0 = <&P9_20_can_pin>;};  /* can tx */
+};
+
+/*
+ * See these files for the phandles (&bone_*) and other bone bus nodes
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/bbai-bone-buses.dtsi
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/bbb-bone-buses.dtsi
+ */
+&bone_can_0 {
+    status = "okay";
+};

src/arm/BONE-CAN1.dts

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 Deepak Khatri <[email protected]>
+ *
+ * Virtual cape for /dev/bone/can/1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/dts-v1/;
+/plugin/;
+
+/*
+* Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
+*/
+&{/chosen} {
+    overlays {
+        BONE-CAN1 = __TIMESTAMP__;
+    };
+};
+
+/*
+ * Update the default pinmux of the pins.
+ * See these files for the phandles (&P9_* & &P8_*)
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/am335x-bone-common-univ.dtsi
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/am572x-bone-common-univ.dtsi
+ */
+&ocp {
+	P9_24_pinmux { pinctrl-0 = <&P9_24_can_pin>;};  /* can rx */
+    P9_26_pinmux { pinctrl-0 = <&P9_26_can_pin>;};  /* can tx */
+};
+
+/*
+ * See these files for the phandles (&bone_*) and other bone bus nodes
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/bbai-bone-buses.dtsi
+ * https://github.com/lorforlinux/BeagleBoard-DeviceTrees/blob/compatibility/src/arm/bbb-bone-buses.dtsi
+ */
+&bone_can_1 {
+    status = "okay";
+};