diff --git a/boards/common/arduino-zero/include/arduino_iomap.h b/boards/common/arduino-zero/include/arduino_iomap.h
index 64f6a8b79e..f6696705bb 100644
--- a/boards/common/arduino-zero/include/arduino_iomap.h
+++ b/boards/common/arduino-zero/include/arduino_iomap.h
@@ -139,6 +139,20 @@ extern "C" {
 #define ARDUINO_PIN_9_PWM_CHAN  1
 /** @} */
 
+/**
+ * @name    Arduino's SPI buses
+ * @{
+ */
+/**
+ * @brief   SPI_DEV(0) is connected to the ISP
+ */
+#define ARDUINO_SPI_ISP         SPI_DEV(0)
+/**
+ * @brief   SPI_DEV(1) is connected to D11/D12/D13
+ */
+#define ARDUINO_SPI_D11D12D13   SPI_DEV(1)
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/boards/common/arduino-zero/include/periph_conf.h b/boards/common/arduino-zero/include/periph_conf.h
index ee5d88dc1c..040e22d316 100644
--- a/boards/common/arduino-zero/include/periph_conf.h
+++ b/boards/common/arduino-zero/include/periph_conf.h
@@ -241,6 +241,18 @@ static const spi_conf_t spi_config[] = {
         .miso_pad = SPI_PAD_MISO_0,
         .mosi_pad = SPI_PAD_MOSI_2_SCK_3,
         .gclk_src = SAM0_GCLK_MAIN,
+    },
+    {
+        .dev      = &SERCOM1->SPI,
+        .miso_pin = GPIO_PIN(PA, 19),
+        .mosi_pin = GPIO_PIN(PA, 16),
+        .clk_pin  = GPIO_PIN(PA, 17),
+        .miso_mux = GPIO_MUX_C,
+        .mosi_mux = GPIO_MUX_C,
+        .clk_mux  = GPIO_MUX_C,
+        .miso_pad = SPI_PAD_MISO_3,
+        .mosi_pad = SPI_PAD_MOSI_0_SCK_1,
+        .gclk_src = SAM0_GCLK_MAIN,
     }
 };