boards/arm/cxd56xx/spresense/include/board_pinconfig.h: Add board specific pin configurations of CXD5602 pins to fit Spresense board.

arch/arm/src/cxd56xx/Kconfig

@@ -26,6 +26,15 @@ config CXD56_WLCSP
 
 endchoice
 
+config CXD56_CUSTOM_PINCONFIG
+	bool "Board-specific pin configuration"
+	default n
+	---help---
+		Custom PIN Configuration of CXD56xx pins to fit a specific board.
+		If this option is enabled, some PINs configurations are overwritten
+		in "boards/arm/cxd56xx/<board>/include/board_pinconfig.h"
+		from "arch/arm/src/cxd56xx/hardware/cxd56xx_pinconfig.h".
+
 comment "Debug Features"
 
 config CXD56_BACKUPLOG

arch/arm/src/cxd56xx/hardware/cxd5602_pinconfig.h

@@ -649,11 +649,11 @@
 #define PINCONFS_USB_VBUSINT_GPIO           { PINCONF_USB_VBUSINT_GPIO }
 #define PINCONFS_USB_VBUSINT                { PINCONF_USB_VBUSINT }
 
-#ifdef CONFIG_BOARD_CUSTOM_PINCONFIG
+#ifdef CONFIG_CXD56_CUSTOM_PINCONFIG
 /* Change the pin configuration depending on each board */
 
 #  include <arch/board/board_pinconfig.h>
 
-#endif /* CONFIG_BOARD_CUSTOM_PINCONFIG */
+#endif /* CONFIG_CXD56_CUSTOM_PINCONFIG */
 
 #endif /* __ARCH_ARM_SRC_CXD56XX_CHIP_CXD5602_PINCONFIG_H */

boards/arm/cxd56xx/spresense/include/board_pinconfig.h

@@ -0,0 +1,102 @@
+/****************************************************************************
+ * boards/arm/cxd56xx/spresense/include/board_pinconfig.h
+ *
+ *   Copyright 2018 Sony Semiconductor Solutions Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of Sony Semiconductor Solutions Corporation 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 OWNER 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.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_ARM_CXD56XX_SPRESENCE_INCLUDE_BOARD_PINCONFIG_H
+#define __BOARDS_ARM_CXD56XX_SPRESENCE_INCLUDE_BOARD_PINCONFIG_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Customize from default to the board specific pin configuration
+ * The default pin configurations are defined in
+ * boards/arm/cxd56xx/spresense/inclue/board_pinconfig.h.
+ *
+ *   Mode: shared pin function mode
+ *   ENZI: 1=Input Enable, 0=Input Disable
+ *   4mA : Drive Current 1=4mA, 0=2mA
+ *   Pull: 0=HiZ floating, PINCONF_PULLUP, PINCONF_PULLDOWN
+ *
+ *                       M  E     P
+ *   P                   o  N  4  u
+ *   i                   d  Z  m  l
+ *   n                   e  I  A  l
+ */
+
+#undef PINCONF_UART2_CTS
+#define PINCONF_UART2_CTS          PINCONF(PIN_UART2_CTS,      1, 1, 0, PINCONF_PULLDOWN)
+
+#undef PINCONF_SPI4_CS_X
+#undef PINCONF_SPI4_SCK
+#undef PINCONF_SPI4_MOSI
+#define PINCONF_SPI4_CS_X          PINCONF(PIN_SPI4_CS_X,      1, 0, 1, 0)
+#define PINCONF_SPI4_SCK           PINCONF(PIN_SPI4_SCK,       1, 0, 1, 0)
+#define PINCONF_SPI4_MOSI          PINCONF(PIN_SPI4_MOSI,      1, 0, 1, 0)
+
+#undef PINCONF_PWM0
+#undef PINCONF_PWM1
+#undef PINCONF_PWM2
+#undef PINCONF_PWM3
+#define PINCONF_PWM0               PINCONF(PIN_PWM0,           1, 0, 1, 0)
+#define PINCONF_PWM1               PINCONF(PIN_PWM1,           1, 0, 1, 0)
+#define PINCONF_PWM2               PINCONF(PIN_PWM2,           1, 0, 1, 0)
+#define PINCONF_PWM3               PINCONF(PIN_PWM3,           1, 0, 1, 0)
+
+#undef PINCONF_I2C0_BCK
+#undef PINCONF_I2C0_BDT
+#define PINCONF_I2C0_BCK           PINCONF(PIN_I2C0_BCK,       1, 1, 1, 0)
+#define PINCONF_I2C0_BDT           PINCONF(PIN_I2C0_BDT,       1, 1, 1, 0)
+
+#undef PINCONF_SDIO_CLK_GPIO
+#undef PINCONF_SDIO_CMD_GPIO
+#undef PINCONF_SDIO_DATA0_GPIO
+#undef PINCONF_SDIO_DATA1_GPIO
+#undef PINCONF_SDIO_DATA2_GPIO
+#undef PINCONF_SDIO_DATA3_GPIO
+#define PINCONF_SDIO_CLK_GPIO      PINCONF(PIN_SDIO_CLK,       0, 0, 0, PINCONF_PULLDOWN)
+#define PINCONF_SDIO_CMD_GPIO      PINCONF(PIN_SDIO_CMD,       0, 0, 0, PINCONF_PULLDOWN)
+#define PINCONF_SDIO_DATA0_GPIO    PINCONF(PIN_SDIO_DATA0,     0, 0, 0, PINCONF_PULLDOWN)
+#define PINCONF_SDIO_DATA1_GPIO    PINCONF(PIN_SDIO_DATA1,     0, 0, 0, PINCONF_PULLDOWN)
+#define PINCONF_SDIO_DATA2_GPIO    PINCONF(PIN_SDIO_DATA2,     0, 0, 0, PINCONF_PULLDOWN)
+#define PINCONF_SDIO_DATA3_GPIO    PINCONF(PIN_SDIO_DATA3,     0, 0, 0, PINCONF_PULLDOWN)
+
+#undef PINCONF_SDIO_CD_GPIO
+#define PINCONF_SDIO_CD_GPIO       PINCONF(PIN_SDIO_CD,        0, 0, 0, PINCONF_PULLUP)
+
+#endif  /* __BOARDS_ARM_CXD56XX_SPRESENCE_INCLUDE_BOARD_PINCONFIG_H */