BBB and BBAI compatible loadCape overlay

src/arm/BBORG_LOAD-00A2.dts

@@ -9,120 +9,98 @@
 /dts-v1/;
 /plugin/;
 
-#include <dt-bindings/board/am335x-bbw-bbb-base.h>
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/pinctrl/am33xx.h>
-
-/ {
- /*
- * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
- */
- fragment@0 {
- target-path="/";
- __overlay__ {
-
- chosen {
- overlays {
- BBORG_LOAD-00A2 = __TIMESTAMP__;
- };
- };
- };
+/*
+ * Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
+ */
+&{/chosen} {
+ overlays {
+ BBORG_RELAY-00A2 = __TIMESTAMP__;
  };
+};
 
- /*
- * Free up the pins used by the cape from the pinmux helpers.
- */
- fragment@1 {
- target = <&ocp>;
- __overlay__ {
- P9_42_pinmux { status = "disabled"; }; /* Sink1 */
- P9_41_pinmux { status = "disabled"; }; /* Sink2 */
- P9_30_pinmux { status = "disabled"; }; /* Sink3 */
- P9_27_pinmux { status = "disabled"; }; /* Sink4 */
- P8_12_pinmux { status = "disabled"; }; /* Sink5 */
- P8_11_pinmux { status = "disabled"; }; /* Sink6 */
- P8_15_pinmux { status = "disabled"; }; /* Sink7 */
- P8_17_pinmux { status = "disabled"; }; /* Sink8 */
- };
- };
+/*
+ * Free up the pins used by the cape from the pinmux helpers.
+ */
+&ocp {
+ P9_42_pinmux { status = "disabled"; }; /* Sink1 */
+ P9_41_pinmux { status = "disabled"; }; /* Sink2 */
+ P9_30_pinmux { status = "disabled"; }; /* Sink3 */
+ P9_27_pinmux { status = "disabled"; }; /* Sink4 */
+ P8_12_pinmux { status = "disabled"; }; /* Sink5 */
+ P8_11_pinmux { status = "disabled"; }; /* Sink6 */
+ P8_15_pinmux { status = "disabled"; }; /* Sink7 */
+ P8_17_pinmux { status = "disabled"; }; /* Sink8 */
+};
 
- fragment@2 {
- target = <&am33xx_pinmux>;
- __overlay__ {
+/*
+ * Enable and Update the default state of the pins
+ */
+&ocp {
+ P9_42_pinmux { status = "okay"; pinctrl-0 = <&P9_42_gpio_pin>; }; /* Sink1 */
+ P9_41_pinmux { status = "okay"; pinctrl-0 = <&P9_41_gpio_pin>; }; /* Sink2 */
+ P9_30_pinmux { status = "okay"; pinctrl-0 = <&P9_30_gpio_pin>; }; /* Sink3 */
+ P9_27_pinmux { status = "okay"; pinctrl-0 = <&P9_27_gpio_pin>; }; /* Sink4 */
+ P8_12_pinmux { status = "okay"; pinctrl-0 = <&P8_12_gpio_pin>; }; /* Sink5 */
+ P8_11_pinmux { status = "okay"; pinctrl-0 = <&P8_11_gpio_pin>; }; /* Sink6 */
+ P8_15_pinmux { status = "okay"; pinctrl-0 = <&P8_15_gpio_pin>; }; /* Sink7 */
+ P8_17_pinmux { status = "okay"; pinctrl-0 = <&P8_17_gpio_pin>; }; /* Sink8 */
+};
 
- bb_gpio_load_pins: pinmux_bb_gpio_load_pins {
- pinctrl-single,pins = <
- BONE_P9_42 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P9_42: gpio0_7 */
- BONE_P9_41 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P9_41: gpio3_20 */
- BONE_P9_30 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P9_30: gpio3_16 */
- BONE_P9_27 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P9_27: gpio3_19 */
- BONE_P8_12 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P8_12: gpio1_12 */
- BONE_P8_11 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P8_11: gpio1_13 */
- BONE_P8_15 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P8_15: gpio1_15 */
- BONE_P8_17 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* P8_17: gpio0_27 */
- >;
- };
+/*
+ * Easy load control through sysfs (/sys/class/leds/) using gpio-leds driver
+ * See these files for the led_P8_#/led_P9_# definition
+ * https://github.com/beagleboard/BeagleBoard-DeviceTrees/src/arm/bbai-bone-buses.dtsi
+ * https://github.com/beagleboard/BeagleBoard-DeviceTrees/src/arm/bbb-bone-buses.dtsi
+ * 
+ */
+&{/} {
+ leds {
+ led_P9_42 {
+ status = "okay";
+ label = "load-sink1";
+ default-state = "keep";
  };
- };
-
- fragment@3 {
- target-path="/";
- __overlay__ {
-
- leds {
- pinctrl-names = "default";
- pinctrl-0 = <&bb_gpio_load_pins>;
-
- compatible = "gpio-leds";
-
- sink@1 {
- label = "load-sink1";
- gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
- default-state = "keep";
- };
 
-  sink@2 {
-  label = "load-sink2";
-  gpios = <&gpio3 20 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P9_41 {
+ status = "okay";
+ label = "load-sink2";
+ default-state = "keep";
+ };
 
-  sink@3 {
-  label = "load-sink3";
-  gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P9_30 {
+ status = "okay";
+ label = "load-sink3";
+ default-state = "keep";
+ };
 
-  sink@4 {
-  label = "load-sink4";
-  gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P9_27 {
+ status = "okay";
+ label = "load-sink4";
+ default-state = "keep";
+ };
 
- sink@5 {
-  label = "load-sink5";
-  gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P8_12 {
+ status = "okay";
+ label = "load-sink5";
+ default-state = "keep";
+ };
 
- sink@6 {
-  label = "load-sink6";
-  gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P8_11 {
+ status = "okay";
+ label = "load-sink6";
+ default-state = "keep";
+ };
 
- sink@7 {
-  label = "load-sink7";
-  gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
-  default-state = "keep";
-  };
+ led_P8_15 {
+ status = "okay";
+ label = "load-sink7";
+ default-state = "keep";
+ };
 
- sink@8 {
- label = "load-sink8";
- gpios = <&gpio0 27 GPIO_ACTIVE_HIGH>;
- default-state = "keep";
- };
- };
+ led_P8_17 {
+ status = "okay";
+ label = "load-sink8";
+ default-state = "keep";
  };
  };
-};
+};