initialize LDO2 in board_init()

Author: jerryneedell

ports/esp32s2/boards/unexpectedmaker_feathers2/board.c

@@ -27,6 +27,8 @@
 #include "supervisor/board.h"
 #include "mpconfigboard.h"
 #include "shared-bindings/microcontroller/Pin.h"
+#include "components/driver/include/driver/gpio.h"
+#include "components/soc/include/hal/gpio_hal.h"
 
 void board_init(void) {
     // USB
@@ -47,6 +49,12 @@ void board_init(void) {
     common_hal_never_reset_pin(&pin_GPIO30);
     common_hal_never_reset_pin(&pin_GPIO31);
     common_hal_never_reset_pin(&pin_GPIO32);
+
+
+    // Add LDO2 to never reset list, set to output and enable
+    common_hal_never_reset_pin(&pin_GPIO21);
+    gpio_set_direction(pin_GPIO21.number, GPIO_MODE_DEF_OUTPUT);
+    gpio_set_level(pin_GPIO21.number, true);
 }
 
 bool board_requests_safe_mode(void) {

ports/esp32s2/common-hal/microcontroller/Pin.c

@@ -171,7 +171,8 @@ bool pin_number_is_free(gpio_num_t pin_number) {
 
     uint8_t offset = pin_number / 32;
     uint32_t mask = 1 << (pin_number % 32);
-    return (never_reset_pins[offset] & mask) == 0 && (in_use[offset] & mask) == 0;
+    //return (never_reset_pins[offset] & mask) == 0 && (in_use[offset] & mask) == 0;
+    return (in_use[offset] & mask) == 0;
 }
 
 bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {