diff --git a/lib/rpio.js b/lib/rpio.js
index 1fed35e..69ef69f 100755
--- a/lib/rpio.js
+++ b/lib/rpio.js
@@ -1179,6 +1179,60 @@ rpio.prototype.spiEnd = function()
 {
 	bindcall(binding.spi_end);
 }
+/*
+ * AUX_SPI
+ */
+rpio.prototype.auxSpiBegin = function()
+{
+	if (!rpio_inited) {
+		/* SPI requires full /dev/mem */
+		rpio_options.gpiomem = false;
+		rpio.prototype.init();
+	}
+
+	if (rpio_options.gpiomem)
+		throw new Error('SPI not available in gpiomem mode');
+
+	bindcall(binding.aux_spi_begin);
+}
+
+rpio.prototype.auxSpiChipSelect = function(cs)
+{
+	return bindcall(binding.aux_spi_chip_select, cs);
+}
+
+rpio.prototype.auxSpiSetCSPolarity = function(cs, active)
+{
+	return bindcall2(binding.aux_spi_set_cs_polarity, cs, active);
+}
+
+rpio.prototype.auxSpiSetClockDivider = function(divider)
+{
+	if ((divider % 2) !== 0 || divider < 0 || divider > 65536)
+		throw new Error('Clock divider must be an even number between 0 and 65536');
+
+	return bindcall(binding.aux_spi_set_clock_divider, divider);
+}
+
+rpio.prototype.auxSpiSetDataMode = function(mode)
+{
+	return bindcall(binding.aux_spi_set_data_mode, mode);
+}
+
+rpio.prototype.auxSpiTransfer = function(txbuf, rxbuf, len)
+{
+	return bindcall3(binding.aux_spi_transfer, txbuf, rxbuf, len);
+}
+
+rpio.prototype.auxSpiWrite = function(buf, len)
+{
+	return bindcall2(binding.aux_spi_write, buf, len);
+}
+
+rpio.prototype.auxSpiEnd = function()
+{
+	bindcall(binding.aux_spi_end);
+}
 
 /*
  * Misc functions.
diff --git a/package.json b/package.json
index 8b5808a..0b5e39e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rpio",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "description": "High performance GPIO/i2c/PWM/SPI module for Raspberry Pi, Orange Pi, Banana Pi",
   "homepage": "https://www.npmjs.com/package/rpio",
   "main": "./lib/rpio.js",
diff --git a/src/rpio.cc b/src/rpio.cc
index bbf4b36..a9c93a7 100644
--- a/src/rpio.cc
+++ b/src/rpio.cc
@@ -505,6 +505,77 @@ NAN_METHOD(spi_end)
 {
 	bcm2835_spi_end();
 }
+/*
+ * AUX_SPI functions.
+ */
+NAN_METHOD(aux_spi_begin)
+{
+	bcm2835_aux_spi_begin();
+}
+
+// NAN_METHOD(aux_spi_chip_select)
+// {
+// 	ASSERT_ARGC1(IS_U32);
+
+// 	uint32_t cs = FROM_U32(0);
+
+// 	bcm2835_aux_spi_chipSelect(cs);
+// }
+
+// NAN_METHOD(aux_spi_set_cs_polarity)
+// {
+// 	ASSERT_ARGC2(IS_U32, IS_U32);
+
+// 	uint32_t cs = FROM_U32(0);
+// 	uint32_t active = FROM_U32(1);
+
+// 	bcm2835_aux_spi_setChipSelectPolarity(cs, active);
+// }
+
+NAN_METHOD(aux_spi_set_clock_divider)
+{
+	ASSERT_ARGC1(IS_U32);
+
+	uint32_t divider = FROM_U32(0);
+
+	bcm2835_aux_spi_setClockDivider(divider);
+}
+
+// NAN_METHOD(aux_spi_set_data_mode)
+// {
+// 	ASSERT_ARGC1(IS_U32);
+
+// 	uint32_t mode = FROM_U32(0);
+
+// 	bcm2835_aux_spi_setDataMode(mode);
+// }
+
+NAN_METHOD(aux_spi_transfer)
+{
+	ASSERT_ARGC3(IS_OBJ, IS_OBJ, IS_U32);
+
+	char *tbuf = FROM_OBJ(0);
+	char *rbuf = FROM_OBJ(1);
+	uint32_t len = FROM_U32(2);
+
+	bcm2835_aux_spi_transfernb(tbuf, rbuf, len);
+}
+
+NAN_METHOD(aux_spi_write)
+{
+	ASSERT_ARGC2(IS_OBJ, IS_U32);
+
+	char *buf = FROM_OBJ(0);
+	uint32_t len = FROM_U32(1);
+
+	bcm2835_aux_spi_writenb(buf, len);
+}
+
+NAN_METHOD(aux_spi_end)
+{
+	bcm2835_aux_spi_end();
+}
+
 
 /*
  * Initialize the bcm2835 interface and check we have permission to access it.
@@ -584,6 +655,14 @@ NAN_MODULE_INIT(setup)
 	NAN_EXPORT(target, spi_transfer);
 	NAN_EXPORT(target, spi_write);
 	NAN_EXPORT(target, spi_end);
+	NAN_EXPORT(target, aux_spi_begin);
+//	NAN_EXPORT(target, aux_spi_chip_select);
+//	NAN_EXPORT(target, aux_spi_set_cs_polarity);
+	NAN_EXPORT(target, aux_spi_set_clock_divider);
+//	NAN_EXPORT(target, aux_spi_set_data_mode);
+	NAN_EXPORT(target, aux_spi_transfer);
+	NAN_EXPORT(target, aux_spi_write);
+	NAN_EXPORT(target, aux_spi_end);
 }
 
 #else /* __linux__ */
@@ -597,4 +676,9 @@ NAN_MODULE_INIT(setup)
 
 #endif
 
+#if NODE_MAJOR_VERSION >= 10
+NAN_MODULE_WORKER_ENABLED(rpio, setup)
+#else
 NODE_MODULE(rpio, setup)
+#endif
+