examples: vf6xx_colibri_m4: Add missing IOMUX configuration

Add IOMUX configuration support to the pins used.

Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>

2 files changed, 123 insertions, 0 deletions

diff --git a/examples/vf6xx_colibri_m4/pin_mux.c b/examples/vf6xx_colibri_m4/pin_mux.c
new file mode 100644
index 0000000..508facd
--- /dev/null
+++ b/examples/vf6xx_colibri_m4/pin_mux.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright (c) 2016, Toradex AG
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*!
+**  @addtogroup pin_mux_module pin_mux module documentation
+**  @{
+*/
+
+/* MODULE pin_mux. */
+
+#include "device_imx.h"
+#include "pin_mux.h"
+
+void configure_uart_pins(UART_Type* base)
+{
+    switch((uint32_t)base)
+    {
+        case UART2_BASE:
+            // UART2 iomux configuration
+			IOMUXC_SCI_FLX2_IPP_IND_SCI_TX_SELECT_INPUT = 0x02;
+			IOMUXC_PTD0 = IOMUXC_PAD (MUX_MODE_ALT2, PUS_PU_100KOHM, DSE_25OHM, SPEED_MEDIUM, IOMUXC_IBE | IOMUXC_OBE);
+			IOMUXC_SCI_FLX2_IPP_IND_SCI_RX_SELECT_INPUT = 0x02;
+			IOMUXC_PTD1 = IOMUXC_PAD (MUX_MODE_ALT2, PUS_PU_100KOHM, DSE_25OHM, SPEED_MEDIUM, IOMUXC_IBE| IOMUXC_OBE);
+            break;
+        default:
+            break;
+    }
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/
diff --git a/examples/vf6xx_colibri_m4/pin_mux.h b/examples/vf6xx_colibri_m4/pin_mux.h
new file mode 100644
index 0000000..2155950
--- /dev/null
+++ b/examples/vf6xx_colibri_m4/pin_mux.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright (c) 2016, Toradex AG
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*!
+**  @addtogroup pin_mux_module pin_mux module documentation
+**  @{
+*/
+
+#ifndef __PIN_MUX__
+#define __PIN_MUX__
+
+/* MODULE pin_mux. */
+
+#include "device_imx.h"
+
+/*
+** ===================================================================
+**     Method      :  pin_mux_UART (component PinSettings)
+*/
+/*!
+**     @brief
+**         UART method sets registers according routing settings. Call
+**         this method code to route desired pins into:
+**         UART1, UART2, UART3, UART4, UART5, UART6, UART7
+**         peripherals.
+**     @param
+**         UART_Type* base - UART base address 1..7
+*/
+/* ===================================================================*/
+void configure_uart_pins(UART_Type* base);
+
+#endif /* __PIN_MUX__ */
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/