This patch adds the board specific data for the CG2900
driver on a UX500 board.
Signed-off-by: Par-Gunnar Hjalmdahl <par-gunnar.p.hjalmdahl@xxxxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
arch/arm/mach-ux500/Makefile | 4 +
arch/arm/mach-ux500/board-mop500.c | 160 ++++++++++++++++
arch/arm/mach-ux500/devices-cg2900.c | 349 ++++++++++++++++++++++++++++++++++
arch/arm/mach-ux500/devices-cg2900.h | 19 ++
4 files changed, 532 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-ux500/devices-cg2900.c
create mode 100644 arch/arm/mach-ux500/devices-cg2900.h
diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile
index b549a8f..47c92fa 100644
--- a/arch/arm/mach-ux500/Makefile
+++ b/arch/arm/mach-ux500/Makefile
@@ -2,6 +2,9 @@
# Makefile for the linux kernel, U8500 machine.
#
+ccflags-y := \
+ -Idrivers/staging/cg2900/include
+
obj-y := clock.o cpu.o devices.o devices-common.o \
id.o usb.o
obj-$(CONFIG_UX500_SOC_DB5500) += cpu-db5500.o dma-db5500.o
@@ -18,3 +21,4 @@ obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
obj-$(CONFIG_U5500_MODEM_IRQ) += modem-irq-db5500.o
obj-$(CONFIG_U5500_MBOX) += mbox-db5500.o
obj-$(CONFIG_CPU_FREQ) += cpufreq.o
+obj-$(CONFIG_CG2900) += devices-cg2900.o
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index d8e5a52..352280a 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -26,10 +26,14 @@
#include <linux/gpio_keys.h>
#include <linux/mfd/tps6105x.h>
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <plat/i2c.h>
+#include <plat/pincfg.h>
#include <plat/ste_dma40.h>
#include <mach/hardware.h>
@@ -38,9 +42,12 @@
#include <mach/irqs.h>
#include "ste-dma40-db8500.h"
+#include "devices-cg2900.h"
#include "devices-db8500.h"
#include "board-mop500.h"
#include "board-mop500-regulators.h"
+#include "pins-db8500.h"
+#include "cg2900.h"
static struct ab8500_platform_data ab8500_platdata = {
.irq_base = MOP500_AB8500_IRQ_BASE,
@@ -300,6 +307,136 @@ static struct pl022_ssp_controller ssp0_platform_data = {
.num_chipselect = 5,
};
+#ifdef CONFIG_CG2900
+#define CG2900_BT_ENABLE_GPIO 170
+#define CG2900_GBF_ENA_RESET_GPIO 171
+#define CG2900_BT_CTS_GPIO 0
+
+enum cg2900_gpio_pull_sleep cg2900_sleep_gpio[21] = {
+ CG2900_NO_PULL, /* GPIO 0: PTA_CONFX */
+ CG2900_PULL_DN, /* GPIO 1: PTA_STATUS */
+ CG2900_NO_PULL, /* GPIO 2: UART_CTSN */
+ CG2900_PULL_UP, /* GPIO 3: UART_RTSN */
+ CG2900_PULL_UP, /* GPIO 4: UART_TXD */
+ CG2900_NO_PULL, /* GPIO 5: UART_RXD */
+ CG2900_PULL_DN, /* GPIO 6: IOM_DOUT */
+ CG2900_NO_PULL, /* GPIO 7: IOM_FSC */
+ CG2900_NO_PULL, /* GPIO 8: IOM_CLK */
+ CG2900_NO_PULL, /* GPIO 9: IOM_DIN */
+ CG2900_PULL_DN, /* GPIO 10: PWR_REQ */
+ CG2900_PULL_DN, /* GPIO 11: HOST_WAKEUP */
+ CG2900_PULL_DN, /* GPIO 12: IIS_DOUT */
+ CG2900_NO_PULL, /* GPIO 13: IIS_WS */
+ CG2900_NO_PULL, /* GPIO 14: IIS_CLK */
+ CG2900_NO_PULL, /* GPIO 15: IIS_DIN */
+ CG2900_PULL_DN, /* GPIO 16: PTA_FREQ */
+ CG2900_PULL_DN, /* GPIO 17: PTA_RF_ACTIVE */
+ CG2900_NO_PULL, /* GPIO 18: NotConnected (J6428) */
+ CG2900_NO_PULL, /* GPIO 19: EXT_DUTY_CYCLE */
+ CG2900_NO_PULL, /* GPIO 20: EXT_FRM_SYNCH */
+};
+
+static struct platform_device ux500_cg2900_device = {
+ .name = "cg2900",
+};
+
+#ifdef CONFIG_CG2900_CHIP
+static struct platform_device ux500_cg2900_chip_device = {
+ .name = "cg2900-chip",
+ .dev = {
+ .parent = &ux500_cg2900_device.dev,
+ },
+};
+#endif /* CONFIG_CG2900_CHIP */
+
+#ifdef CONFIG_STLC2690_CHIP
+static struct platform_device ux500_stlc2690_chip_device = {
+ .name = "stlc2690-chip",
+ .dev = {
+ .parent = &ux500_cg2900_device.dev,
+ },
+};
+#endif /* CONFIG_STLC2690_CHIP */
+
+#ifdef CONFIG_CG2900_TEST
+static struct cg2900_platform_data cg2900_test_platform_data = {
+ .bus = HCI_VIRTUAL,
+ .gpio_sleep = cg2900_sleep_gpio,
+};
+
+static struct platform_device ux500_cg2900_test_device = {
+ .name = "cg2900-test",
+ .dev = {
+ .parent = &ux500_cg2900_device.dev,
+ .platform_data = &cg2900_test_platform_data,
+ },
+};
+#endif /* CONFIG_CG2900_TEST */
+
+#ifdef CONFIG_CG2900_UART
+static struct resource cg2900_uart_resources[] = {
+ {
+ .start = CG2900_GBF_ENA_RESET_GPIO,
+ .end = CG2900_GBF_ENA_RESET_GPIO,
+ .flags = IORESOURCE_IO,
+ .name = "gbf_ena_reset",
+ },
+ {
+ .start = CG2900_BT_ENABLE_GPIO,
+ .end = CG2900_BT_ENABLE_GPIO,
+ .flags = IORESOURCE_IO,
+ .name = "bt_enable",
+ },
+ {
+ .start = CG2900_BT_CTS_GPIO,
+ .end = CG2900_BT_CTS_GPIO,
+ .flags = IORESOURCE_IO,
+ .name = "cts_gpio",
+ },
+ {
+ .start = NOMADIK_GPIO_TO_IRQ(CG2900_BT_CTS_GPIO),
+ .end = NOMADIK_GPIO_TO_IRQ(CG2900_BT_CTS_GPIO),
+ .flags = IORESOURCE_IRQ,
+ .name = "cts_irq",
+ },
+};
+
+static pin_cfg_t cg2900_uart_enabled[] = {
+ GPIO0_U0_CTSn | PIN_INPUT_PULLUP,
+ GPIO1_U0_RTSn | PIN_OUTPUT_HIGH,
+ GPIO2_U0_RXD | PIN_INPUT_PULLUP,
+ GPIO3_U0_TXD | PIN_OUTPUT_HIGH
+};
+
+static pin_cfg_t cg2900_uart_disabled[] = {
+ GPIO0_GPIO | PIN_INPUT_PULLUP, /* CTS pull up. */
+ GPIO1_GPIO | PIN_OUTPUT_HIGH, /* RTS high-flow off. */
+ GPIO2_GPIO | PIN_INPUT_PULLUP, /* RX pull down. */
+ GPIO3_GPIO | PIN_OUTPUT_LOW /* TX low - break on. */
+};
+
+static struct cg2900_platform_data cg2900_uart_platform_data = {
+ .bus = HCI_UART,
+ .gpio_sleep = cg2900_sleep_gpio,
+ .uart = {
+ .n_uart_gpios = 4,
+ .uart_enabled = cg2900_uart_enabled,
+ .uart_disabled = cg2900_uart_disabled,
+ },
+};
+
+static struct platform_device ux500_cg2900_uart_device = {
+ .name = "cg2900-uart",
+ .dev = {
+ .platform_data = &cg2900_uart_platform_data,
+ .parent = &ux500_cg2900_device.dev,
+ },
+ .num_resources = ARRAY_SIZE(cg2900_uart_resources),
+ .resource = cg2900_uart_resources,
+};
+#endif /* CONFIG_CG2900_UART */
+#endif /* CONFIG_CG2900 */
+
static void __init mop500_spi_init(void)
{
db8500_add_ssp0(&ssp0_platform_data);
@@ -417,6 +554,29 @@ static void __init mop500_init_machine(void)
platform_device_register(&ab8500_device);
+#ifdef CONFIG_CG2900
+#ifdef CONFIG_CG2900_TEST
+ dcg2900_init_platdata(&cg2900_test_platform_data);
+#endif /* CONFIG_CG2900_TEST */
+#ifdef CONFIG_CG2900_UART
+ dcg2900_init_platdata(&cg2900_uart_platform_data);
+#endif /* CONFIG_CG2900_UART */
+
+ platform_device_register(&ux500_cg2900_device);
+#ifdef CONFIG_CG2900_UART
+ platform_device_register(&ux500_cg2900_uart_device);
+#endif /* CONFIG_CG2900_UART */
+#ifdef CONFIG_CG2900_TEST
+ platform_device_register(&ux500_cg2900_test_device);
+#endif /* CONFIG_CG2900_TEST */
+#ifdef CONFIG_CG2900_CHIP
+ platform_device_register(&ux500_cg2900_chip_device);
+#endif /* CONFIG_CG2900_CHIP */
+#ifdef CONFIG_STLC2690_CHIP
+ platform_device_register(&ux500_stlc2690_chip_device);
+#endif /* CONFIG_STLC2690_CHIP */
+#endif /* CONFIG_CG2900 */
+
i2c_register_board_info(0, mop500_i2c0_devices,
ARRAY_SIZE(mop500_i2c0_devices));
i2c_register_board_info(2, mop500_i2c2_devices,
diff --git a/arch/arm/mach-ux500/devices-cg2900.c b/arch/arm/mach-ux500/devices-cg2900.c
new file mode 100644
index 0000000..525c871
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-cg2900.c
@@ -0,0 +1,349 @@
+/*
+ * arch/arm/mach-ux500/devices-cg2900.c
+ *
+ * Copyright (C) ST-Ericsson SA 2010
+ * Authors:
+ * Par-Gunnar Hjalmdahl (par-gunnar.p.hjalmdahl@xxxxxxxxxxxxxx) for ST-Ericsson.
+ * Henrik Possung (henrik.possung@xxxxxxxxxxxxxx) for ST-Ericsson.
+ * Josef Kindberg (josef.kindberg@xxxxxxxxxxxxxx) for ST-Ericsson.
+ * Dariusz Szymszak (dariusz.xd.szymczak@xxxxxxxxxxxxxx) for ST-Ericsson.
+ * Kjell Andersson (kjell.k.andersson@xxxxxxxxxxxxxx) for ST-Ericsson.
+ * License terms: GNU General Public License (GPL), version 2
+ *
+ * Board specific device support for the Linux Bluetooth HCI H:4 Driver
+ * for ST-Ericsson connectivity controller.
+ */
+#define NAME "devices-cg2900"
+#define pr_fmt(fmt) NAME ": " fmt "\n"
+
+#include <asm/byteorder.h>
+#include <asm-generic/errno-base.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <plat/pincfg.h>
+
+#include "cg2900.h"
+
+#ifdef CONFIG_CG2900
+
+#define BT_VS_POWER_SWITCH_OFF 0xFD40
+
+#define H4_HEADER_LENGTH 0x01
+#define BT_HEADER_LENGTH 0x03
+
+#define STLC2690_HCI_REV 0x0600
+#define CG2900_PG1_HCI_REV 0x0101
+#define CG2900_PG2_HCI_REV 0x0200
+#define CG2900_PG1_SPECIAL_HCI_REV 0x0700
+
+#define CHIP_INITIAL_HIGH_TIMEOUT 5 /* ms */
+#define CHIP_INITIAL_LOW_TIMEOUT 2 /* us */
+
+struct vs_power_sw_off_cmd {
+ __le16 op_code;
+ u8 len;
+ u8 gpio_0_7_pull_up;
+ u8 gpio_8_15_pull_up;
+ u8 gpio_16_20_pull_up;
+ u8 gpio_0_7_pull_down;
+ u8 gpio_8_15_pull_down;
+ u8 gpio_16_20_pull_down;
+} __attribute__((packed));
+
+struct dcg2900_info {
+ int gbf_gpio;
+ int bt_gpio;
+ bool sleep_gpio_set;
+ u8 gpio_0_7_pull_up;
+ u8 gpio_8_15_pull_up;
+ u8 gpio_16_20_pull_up;
+ u8 gpio_0_7_pull_down;
+ u8 gpio_8_15_pull_down;
+ u8 gpio_16_20_pull_down;
+ spinlock_t pdb_toggle_lock;
+};
+
+static void dcg2900_enable_chip(struct cg2900_chip_dev *dev)
+{
+ struct dcg2900_info *info = dev->b_data;
+ unsigned long flags;
+
+ if (info->gbf_gpio == -1)
+ return;
+
+ /*
+ * Due to a bug in some CG2900 we cannot just set GPIO high to enable
+ * the chip. We must do the following:
+ * 1: Set PDB high
+ * 2: Wait a few milliseconds
+ * 3: Set PDB low
+ * 4: Wait 2 microseconds
+ * 5: Set PDB high
+ * We disable interrupts step 3-5 to assure that step 4 does not take
+ * too long time (which would invalidate the fix).
+ */
+ gpio_set_value(info->gbf_gpio, 1);
+
+ schedule_timeout_uninterruptible(
+ msecs_to_jiffies(CHIP_INITIAL_HIGH_TIMEOUT));
+
+ spin_lock_irqsave(&info->pdb_toggle_lock, flags);
+ gpio_set_value(info->gbf_gpio, 0);
+ udelay(CHIP_INITIAL_LOW_TIMEOUT);
+ gpio_set_value(info->gbf_gpio, 1);
+ spin_unlock_irqrestore(&info->pdb_toggle_lock, flags);
+}
+
+static void dcg2900_disable_chip(struct cg2900_chip_dev *dev)
+{
+ struct dcg2900_info *info = dev->b_data;
+
+ if (info->gbf_gpio != -1)
+ gpio_set_value(info->gbf_gpio, 0);
+}
+
+static struct sk_buff *dcg2900_get_power_switch_off_cmd
+ (struct cg2900_chip_dev *dev, u16 *op_code)
+{
+ struct sk_buff *skb;
+ struct vs_power_sw_off_cmd *cmd;
+ struct dcg2900_info *info;
+ int i;
+
+ /* If connected chip does not support the command return NULL */
+ if (CG2900_PG1_SPECIAL_HCI_REV != dev->chip.hci_revision &&
+ CG2900_PG1_HCI_REV != dev->chip.hci_revision &&
+ CG2900_PG2_HCI_REV != dev->chip.hci_revision)
+ return NULL;
+
+ dev_dbg(dev->dev, "Generating PowerSwitchOff command\n");
+
+ info = dev->b_data;
+
+ skb = alloc_skb(sizeof(*cmd) + H4_HEADER_LENGTH, GFP_KERNEL);
+ if (!skb) {
+ dev_err(dev->dev, "Could not allocate skb\n");
+ return NULL;
+ }
+
+ skb_reserve(skb, H4_HEADER_LENGTH);
+ cmd = (struct vs_power_sw_off_cmd *)skb_put(skb, sizeof(*cmd));
+ cmd->op_code = cpu_to_le16(BT_VS_POWER_SWITCH_OFF);
+ cmd->len = sizeof(*cmd) - BT_HEADER_LENGTH;
+ /*
+ * Enter system specific GPIO settings here:
+ * Section data[3-5] is GPIO pull-up selection
+ * Section data[6-8] is GPIO pull-down selection
+ * Each section is a bitfield where
+ * - byte 0 bit 0 is GPIO 0
+ * - byte 0 bit 1 is GPIO 1
+ * - up to
+ * - byte 2 bit 4 which is GPIO 20
+ * where each bit means:
+ * - 0: No pull-up / no pull-down
+ * - 1: Pull-up / pull-down
+ * All GPIOs are set as input.
+ */
+ if (!info->sleep_gpio_set) {
+ struct cg2900_platform_data *pf_data;
+
+ pf_data = dev_get_platdata(dev->dev);
+ for (i = 0; i < 8; i++) {
+ if (pf_data->gpio_sleep[i] == CG2900_PULL_UP)
+ info->gpio_0_7_pull_up |= (1 << i);
+ else if (pf_data->gpio_sleep[i] == CG2900_PULL_DN)
+ info->gpio_0_7_pull_down |= (1 << i);
+ }
+ for (i = 8; i < 16; i++) {
+ if (pf_data->gpio_sleep[i] == CG2900_PULL_UP)
+ info->gpio_8_15_pull_up |= (1 << (i - 8));
+ else if (pf_data->gpio_sleep[i] == CG2900_PULL_DN)
+ info->gpio_8_15_pull_down |= (1 << (i - 8));
+ }
+ for (i = 16; i < 21; i++) {
+ if (pf_data->gpio_sleep[i] == CG2900_PULL_UP)
+ info->gpio_16_20_pull_up |= (1 << (i - 16));
+ else if (pf_data->gpio_sleep[i] == CG2900_PULL_DN)
+ info->gpio_16_20_pull_down |= (1 << (i - 16));
+ }
+ info->sleep_gpio_set = true;
+ }
+ cmd->gpio_0_7_pull_up = info->gpio_0_7_pull_up;
+ cmd->gpio_8_15_pull_up = info->gpio_8_15_pull_up;
+ cmd->gpio_16_20_pull_up = info->gpio_16_20_pull_up;
+ cmd->gpio_0_7_pull_down = info->gpio_0_7_pull_down;
+ cmd->gpio_8_15_pull_down = info->gpio_8_15_pull_down;
+ cmd->gpio_16_20_pull_down = info->gpio_16_20_pull_down;
+
+
+ if (op_code)
+ *op_code = BT_VS_POWER_SWITCH_OFF;
+
+ return skb;
+}
+
+static int dcg2900_init(struct cg2900_chip_dev *dev)
+{
+ int err = 0;
+ struct dcg2900_info *info;
+ struct resource *resource;
+ const char *gbf_name;
+ const char *bt_name = NULL;
+
+ /* First retrieve and save the resources */
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info) {
+ dev_err(dev->dev, "Could not allocate dcg2900_info\n");
+ return -ENOMEM;
+ }
+
+ spin_lock_init(&info->pdb_toggle_lock);
+
+ if (!dev->pdev->num_resources) {
+ dev_dbg(dev->dev, "No resources available\n");
+ info->gbf_gpio = -1;
+ info->bt_gpio = -1;
+ goto finished;
+ }
+
+ resource = platform_get_resource_byname(dev->pdev, IORESOURCE_IO,
+ "gbf_ena_reset");
+ if (!resource) {
+ dev_err(dev->dev, "GBF GPIO does not exist\n");
+ err = -EINVAL;
+ goto err_handling;
+ }
+ info->gbf_gpio = resource->start;
+ gbf_name = resource->name;
+
+ resource = platform_get_resource_byname(dev->pdev, IORESOURCE_IO,
+ "bt_enable");
+ /* BT Enable GPIO may not exist */
+ if (resource) {
+ info->bt_gpio = resource->start;
+ bt_name = resource->name;
+ }
+
+ /* Now setup the GPIOs */
+ err = gpio_request(info->gbf_gpio, gbf_name);
+ if (err < 0) {
+ dev_err(dev->dev, "gpio_request failed with err: %d\n", err);
+ goto err_handling;
+ }
+
+ err = gpio_direction_output(info->gbf_gpio, 0);
+ if (err < 0) {
+ dev_err(dev->dev, "gpio_direction_output failed with err: %d\n",
+ err);
+ goto err_handling_free_gpio_gbf;
+ }
+
+ if (!bt_name) {
+ info->bt_gpio = -1;
+ goto finished;
+ }
+
+ err = gpio_request(info->bt_gpio, bt_name);
+ if (err < 0) {
+ dev_err(dev->dev, "gpio_request failed with err: %d\n", err);
+ goto err_handling_free_gpio_gbf;
+ }
+
+ err = gpio_direction_output(info->bt_gpio, 1);
+ if (err < 0) {
+ dev_err(dev->dev, "gpio_direction_output failed with err: %d\n",
+ err);
+ goto err_handling_free_gpio_bt;
+ }
+
+finished:
+ dev->b_data = info;
+ return 0;
+
+err_handling_free_gpio_bt:
+ gpio_free(info->bt_gpio);
+err_handling_free_gpio_gbf:
+ gpio_free(info->gbf_gpio);
+err_handling:
+ kfree(info);
+ return err;
+}
+
+static void dcg2900_exit(struct cg2900_chip_dev *dev)
+{
+ struct dcg2900_info *info = dev->b_data;
+
+ dcg2900_disable_chip(dev);
+ if (info->bt_gpio != -1)
+ gpio_free(info->bt_gpio);
+ if (info->gbf_gpio != -1)
+ gpio_free(info->gbf_gpio);
+ kfree(info);
+ dev->b_data = NULL;
+}
+
+#ifdef CONFIG_CG2900_UART
+static int dcg2900_disable_uart(struct cg2900_chip_dev *dev)
+{
+ int err;
+ struct cg2900_platform_data *pdata = dev_get_platdata(dev->dev);
+
+ /*
+ * Without this delay we get interrupt on CTS immediately
+ * due to some turbulences on this line.
+ */
+ mdelay(4);
+
+ /* Disable UART functions. */
+ err = nmk_config_pins(pdata->uart.uart_disabled,
+ pdata->uart.n_uart_gpios);
+ if (err)
+ goto error;
+
+ return 0;
+
+error:
+ (void)nmk_config_pins(pdata->uart.uart_enabled,
+ pdata->uart.n_uart_gpios);
+ dev_err(dev->dev, "Cannot set interrupt (%d)\n", err);
+ return err;
+}
+
+static int dcg2900_enable_uart(struct cg2900_chip_dev *dev)
+{
+ int err;
+ struct cg2900_platform_data *pdata = dev_get_platdata(dev->dev);
+
+ /* Restore UART settings. */
+ err = nmk_config_pins(pdata->uart.uart_enabled,
+ pdata->uart.n_uart_gpios);
+ if (err)
+ dev_err(dev->dev, "Unable to enable UART (%d)\n", err);
+
+ return err;
+}
+#endif /* CONFIG_CG2900_UART */
+
+void dcg2900_init_platdata(struct cg2900_platform_data *data)
+{
+ data->init = dcg2900_init;
+ data->exit = dcg2900_exit;
+ data->enable_chip = dcg2900_enable_chip;
+ data->disable_chip = dcg2900_disable_chip;
+ data->get_power_switch_off_cmd = dcg2900_get_power_switch_off_cmd;
+#ifdef CONFIG_CG2900_UART
+ data->uart.enable_uart = dcg2900_enable_uart;
+ data->uart.disable_uart = dcg2900_disable_uart;
+#endif /* CONFIG_CG2900_UART */
+}
+#endif /* CONFIG_CG2900 */
diff --git a/arch/arm/mach-ux500/devices-cg2900.h b/arch/arm/mach-ux500/devices-cg2900.h
new file mode 100644
index 0000000..a43e60e
--- /dev/null
+++ b/arch/arm/mach-ux500/devices-cg2900.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Par-Gunnar Hjalmdahl <par-gunnar.p.hjalmdahl@xxxxxxxxxxxxxx>
+ * License terms: GNU General Public License (GPL), version 2.
+ */
+
+#ifndef __DEVICES_CG2900_H
+#define __DEVICES_CG2900_H
+
+#include "cg2900.h"
+
+/**
+ * dcg2900_init_platdata() - Initializes platform data with callback functions.
+ * @data: Platform data.
+ */
+extern void dcg2900_init_platdata(struct cg2900_platform_data *data);
+
+#endif /* __DEVICES_CG2900_H */
--
1.7.4.1
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