net: add winc1500 driver from Atmel

boards/x86/panther/Kconfig.defconfig

@@ -27,4 +27,47 @@ endif
 config BLUETOOTH_MONITOR_ON_DEV_NAME
 	default UART_QMSI_1_NAME if BLUETOOTH_DEBUG_MONITOR
 
+if WIFI_WINC1500
+
+config SPI
+	def_bool y
+config GPIO
+	def_bool y
+
+if GPIO_QMSI
+
+config WINC1500_GPIO_0_NAME
+	default GPIO_QMSI_0_NAME
+config WINC1500_GPIO_1_NAME
+	default GPIO_QMSI_1_NAME
+
+endif # GPIO_QMSI
+
+if SPI_QMSI
+config SPI_CS_GPIO
+	def_bool y
+config SPI_1_CS_GPIO_PORT
+	default GPIO_QMSI_0_NAME
+config SPI_1_CS_GPIO_PIN
+	default 11
+config WINC1500_GPIO_0_NAME
+	string
+	default GPIO_QMSI_0_NAME
+config WINC1500_GPIO_1_NAME
+	string
+	default GPIO_QMSI_1_NAME
+endif
+
+endif # WIFI_WINC1500
+
+
+
+config LEDS_GPIO_NAME
+	string
+	default GPIO_QMSI_0_NAME
+
+config SPI_0
+	def_bool n
+
+
 endif # BOARD_PANTHER

boards/x86/panther/board.c

@@ -27,3 +27,44 @@ static int uart_switch(struct device *port)
 
 SYS_INIT(uart_switch, POST_KERNEL, CONFIG_UART_CONSOLE_INIT_PRIORITY);
 #endif
+
+#if defined(CONFIG_WIFI_WINC1500)
+
+static struct device *winc1500_gpio_config[WINC1500_GPIO_IDX_LAST_ENTRY];
+
+struct device **winc1500_configure_gpios(void)
+{
+	struct device *gpio;
+	const int flags_noint_out = GPIO_DIR_OUT;
+
+	gpio = device_get_binding(CONFIG_WINC1500_GPIO_1_NAME);
+
+	gpio_pin_configure(gpio, CONFIG_WINC1500_GPIO_RESET_N, flags_noint_out);
+	winc1500_gpio_config[WINC1500_GPIO_IDX_RESET_N] = gpio;
+
+	gpio = device_get_binding(CONFIG_WINC1500_GPIO_0_NAME);
+
+	gpio_pin_configure(gpio, CONFIG_WINC1500_GPIO_CHIP_EN, flags_noint_out);
+	winc1500_gpio_config[WINC1500_GPIO_IDX_CHIP_EN] = gpio;
+
+	gpio_pin_configure(gpio, CONFIG_WINC1500_GPIO_WAKE, flags_noint_out);
+	winc1500_gpio_config[WINC1500_GPIO_IDX_WAKE] = gpio;
+
+	return winc1500_gpio_config;
+}
+
+void winc1500_configure_intgpios(void)
+{
+	struct device *gpio;
+
+	const int flags_int_in = (GPIO_DIR_IN | GPIO_INT |
+				  GPIO_INT_ACTIVE_LOW | GPIO_INT_DEBOUNCE |
+				  GPIO_INT_EDGE);
+
+	gpio = device_get_binding(CONFIG_WINC1500_GPIO_0_NAME);
+
+	gpio_pin_configure(gpio, CONFIG_WINC1500_GPIO_IRQN, flags_int_in);
+	winc1500_gpio_config[WINC1500_GPIO_IDX_IRQN] = gpio;
+
+}
+#endif /* CONFIG_WIFI_WINC1500 */

boards/x86/panther/board.h

@@ -30,4 +30,32 @@
 #define USB_VUSB_EN_GPIO        28
 #endif
 
+
+#if defined(CONFIG_WIFI_WINC1500)
+
+/* GPIO numbers where the WINC1500 module is connected to */
+#define CONFIG_WINC1500_GPIO_CHIP_EN 6 /* AP_GPIO6_ADC6 EXTERNAL_PAD_6 Out    */
+#define CONFIG_WINC1500_GPIO_WAKE    5 /* AP_GPIO5_ADC5 EXTERNAL_PAD_5 Out    */
+#define CONFIG_WINC1500_GPIO_IRQN    4 /* AP_GPIO4_ADC4 EXTERNAL_PAD_4 In Irq */
+#define CONFIG_WINC1500_GPIO_RESET_N 0 /* AP_GPIO_AON0  AON_GPIO_PAD_0 Out    */
+
+enum winc1500_gpio_index {
+	/* If all the GPIOs can be served by same driver, then you
+	 * can set the values to be the same. The first enum should
+	 * always have a value of 0.
+	 */
+	WINC1500_GPIO_IDX_CHIP_EN = 0,
+	WINC1500_GPIO_IDX_WAKE    = 0,
+	WINC1500_GPIO_IDX_IRQN    = 0,
+
+	WINC1500_GPIO_IDX_RESET_N = 1,
+
+	WINC1500_GPIO_IDX_LAST_ENTRY
+};
+
+struct device **winc1500_configure_gpios(void);
+void winc1500_configure_intgpios(void);
+
+#endif /* CONFIG_WIFI_WINC1500 */
+
 #endif /* __BOARD_H__ */

boards/x86/panther/pinmux.c

@@ -113,7 +113,7 @@ static void _pinmux_defaults(u32_t base)
 	PIN_CONFIG(mux_config,  9, PINMUX_FUNC_C);
 	PIN_CONFIG(mux_config, 16, PINMUX_FUNC_C);
 	PIN_CONFIG(mux_config, 17, PINMUX_FUNC_C);
-	PIN_CONFIG(mux_config, 33, PINMUX_FUNC_A);
+	PIN_CONFIG(mux_config, 33, PINMUX_FUNC_B);
 	PIN_CONFIG(mux_config, 40, PINMUX_FUNC_B);
 	PIN_CONFIG(mux_config, 41, PINMUX_FUNC_B);
 	PIN_CONFIG(mux_config, 42, PINMUX_FUNC_B);

drivers/Kconfig

@@ -74,4 +74,5 @@ source "drivers/crypto/Kconfig"
 
 source "drivers/display/Kconfig"
 
+source "drivers/wifi/Kconfig"
 endmenu

drivers/Makefile

@@ -31,3 +31,4 @@ obj-$(CONFIG_DMA) += dma/
 obj-$(CONFIG_USB) += usb/
 obj-$(CONFIG_CRYPTO) += crypto/
 obj-y += crc/
+obj-$(CONFIG_WIFI) += wifi/

drivers/wifi/Kconfig

@@ -0,0 +1,30 @@
+# Kconfig - drivers configuration options
+
+#
+# Copyright (c) 2015 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+
+
+
+menuconfig WIFI
+	bool "add support for WIFI Drivers"
+	default n
+
+if WIFI
+
+config WIFI_INIT_PRIORITY
+	int "WiFi driver init priority"
+	depends on WIFI
+	default 80
+	help
+	  WiFi device driver initialization priority.
+	  Do not mess with it unless you know what you are doing.
+	  Note that the priority needs to be lower than the net stack
+	  so that it can start before the networking sub-system.
+
+source "drivers/wifi/winc1500/Kconfig"
+
+endif # WIFI

drivers/wifi/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_WIFI_WINC1500) += winc1500/

drivers/wifi/winc1500/Kconfig

@@ -0,0 +1,39 @@
+# Kconfig - Atmel WINC1500 BSP and BUS configuration options
+#
+# WINC1500 options
+#
+
+menuconfig WIFI_WINC1500
+	bool
+	prompt "WINC1500 driver HAL Configuration"
+	default n
+	depends on WIFI
+
+if WIFI_WINC1500
+
+config	WINC1500_SPI_DRV_NAME
+	string "SPI device where WINC1500 is connected"
+	depends on WIFI_WINC1500
+	default "SPI_1"
+	help
+	 Specify the device name of the SPI device to which WINC1500 is
+	 connected.
+
+config WINC1500_SPI_SLAVE
+	int "SPI Slave Select where WINC1500 is connected"
+	depends on WIFI_WINC1500
+	default 1
+	help
+	 Specify the slave select pin of the SPI to which WINC1500 is
+	 connected.
+
+config WINC1500_SPI_FREQ
+	int "SPI frequency to use with WINC1500"
+	depends on WIFI_WINC1500
+	default 4
+	help
+	 SPI frequency to use with WINC1500
+
+# TODO GPIO
+
+endif # WIFI_WINC1500

drivers/wifi/winc1500/Makefile

@@ -0,0 +1,7 @@
+ZEPHYRINCLUDE +=-I${srctree}/ext/drivers/atmel/winc1500
+ZEPHYRINCLUDE +=-I${srctree}/drivers/wifi/winc1500
+
+obj-$(CONFIG_WIFI_WINC1500) += \
+				bsp/source/nm_bsp.o \
+				bus_wrapper/source/nm_bus_wrapper.o \
+				winc1500.o

drivers/wifi/winc1500/bsp/include/nm_bsp.h

@@ -0,0 +1,100 @@
+/**
+ * Copyright (c) 2017 IpTronix
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/**
+ *  Initialization for BSP such as Reset and Chip Enable Pins for WINC, delays, register ISR, enable/disable IRQ for WINC, ...etc. You must use this function in the head of your application to
+ *  enable WINC and Host Driver communicate each other.
+ */
+
+#ifndef _NM_BSP_H_
+#define _NM_BSP_H_
+
+#include <zephyr/types.h>
+
+#define NMI_API
+
+/*!
+ * @fn           sint8 nm_bsp_init(void);
+ * @note         Implementation of this function is host dependent.
+ * @warning      Missing use will lead to unavailability of host communication.\n
+ *
+ * @return       The function returns @ref M2M_SUCCESS for successful operations and a negative value otherwise.
+ */
+s8_t nm_bsp_init(void);
+
+/*!
+ *       De-initialization for BSP (Board Support Package)
+ * @fn           sint8 nm_bsp_deinit(void);
+ * @pre          Initialize \ref nm_bsp_init first
+ * @note         Implementation of this function is host dependent.
+ * @warning      Missing use may lead to unknown behavior in case of soft reset.\n
+ * @see          nm_bsp_init
+ * @return      The function returns 0 for successful operations and
+ *              a negative value otherwise.
+ */
+s8_t nm_bsp_deinit(void);
+
+/*!
+ * Resetting NMC1500 SoC by setting CHIP_EN and RESET_N signals low,
+ * then after specific delay the function will put CHIP_EN high then
+ * RESET_N high, for the timing between signals please review the
+ * WINC data-sheet
+ *
+ * @fn           void nm_bsp_reset(void);
+ * @param [in]   None
+ * @pre          Initialize \ref nm_bsp_init first
+ * @note         Implementation of this function is host dependent and called by HIF layer.
+ * @see          nm_bsp_init
+ * @return       None
+ */
+void nm_bsp_reset(void);
+
+/*!
+ * Sleep in units of milliseconds.\n
+ * This function used by HIF Layer according to different situations.
+ * @fn           void nm_bsp_sleep(uint32);
+ * @brief
+ * @param [in]   u32TimeMsec
+ *               Time unit in milliseconds
+ * @pre          Initialize \ref nm_bsp_init first
+ * @warning      Maximum value must nor exceed 4294967295 milliseconds
+ *                 which is equal to 4294967.295 seconds.\n
+ * @note         Implementation of this function is host dependent.
+ * @see           nm_bsp_init
+ * @return       None
+ */
+void nm_bsp_sleep(u32_t time_msec);
+
+/*!
+ * Register ISR (Interrupt Service Routine) in the initialization
+ * of HIF (Host Interface) Layer.
+ * When the interrupt trigger the BSP layer should call the isr_fun
+ * function once inside the interrupt.
+ * @fn           void nm_bsp_register_isr(tpfNmBspIsr);
+ * @param [in]   tpfNmBspIsr  pfIsr
+ *               Pointer to ISR handler in HIF
+ * @warning      Make sure that ISR for IRQ pin for WINC is disabled by
+ *               default in your implementation.
+ * @note         Implementation of this function is host dependent and
+ *               called by HIF layer.
+ * @see          tpfNmBspIsr
+ * @return       None
+ */
+void nm_bsp_register_isr(void (*isr_fun)(void));
+
+/*!
+ * Synchronous enable/disable interrupts function
+ * @fn           void nm_bsp_interrupt_ctrl(uint8);
+ * @brief        Enable/Disable interrupts
+ * @param [in]   u8Enable
+ *               '0' disable interrupts. '1' enable interrupts
+ * @see          tpfNmBspIsr
+ * @note         Implementation of this function is host dependent and
+ *               called by HIF layer.
+ * @return       None
+ */
+void nm_bsp_interrupt_ctrl(u8_t enable);
+
+#endif  /*_NM_BSP_H_*/