diff options
Diffstat (limited to 'drivers/staging/cg2900/board-ux500-cg2900.c')
| -rw-r--r-- | drivers/staging/cg2900/board-ux500-cg2900.c | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/drivers/staging/cg2900/board-ux500-cg2900.c b/drivers/staging/cg2900/board-ux500-cg2900.c new file mode 100644 index 00000000000..bd81f68fdc6 --- /dev/null +++ b/drivers/staging/cg2900/board-ux500-cg2900.c @@ -0,0 +1,331 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * + * Author: Par-Gunnar Hjalmdahl <par-gunnar.p.hjalmdahl@stericsson.com> + * Author: Hemant Gupta <hemant.gupta@stericsson.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ + +#include <asm/mach-types.h> +#include <linux/gpio.h> +#include <linux/gpio/nomadik.h> +#include <linux/ioport.h> +#include <linux/mfd/ab8500/gpio.h> +#include <linux/platform_device.h> +#include <mach/gpio.h> +#include <mach/id.h> +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci.h> +#include <plat/pincfg.h> + +#include "board-mop500.h" +#include "cg2900.h" +#include "devices-cg2900.h" +#include "pins-db5500.h" +#include "pins-db8500.h" +#include "pins.h" + +#define CG2900_BT_ENABLE_GPIO 170 +#define CG2900_GBF_ENA_RESET_GPIO 171 +#define WLAN_PMU_EN_GPIO 226 +#define WLAN_PMU_EN_GPIO_U9500 AB8500_PIN_GPIO11 +#define CG2900_UX500_BT_CTS_GPIO 0 +#define CG2900_U5500_BT_CTS_GPIO 168 + +enum cg2900_gpio_pull_sleep ux500_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", +}; + +static struct platform_device ux500_cg2900_chip_device = { + .name = "cg2900-chip", + .dev = { + .parent = &ux500_cg2900_device.dev, + }, +}; + +static struct platform_device ux500_stlc2690_chip_device = { + .name = "stlc2690-chip", + .dev = { + .parent = &ux500_cg2900_device.dev, + }, +}; + +static struct cg2900_platform_data ux500_cg2900_test_platform_data = { + .bus = HCI_VIRTUAL, + .gpio_sleep = ux500_cg2900_sleep_gpio, +}; + +static struct platform_device ux500_cg2900_test_device = { + .name = "cg2900-test", + .dev = { + .parent = &ux500_cg2900_device.dev, + .platform_data = &ux500_cg2900_test_platform_data, + }, +}; + +static struct resource cg2900_uart_resources_pre_v60[] = { + { + .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_UX500_BT_CTS_GPIO, + .end = CG2900_UX500_BT_CTS_GPIO, + .flags = IORESOURCE_IO, + .name = "cts_gpio", + }, + { + .start = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .end = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .flags = IORESOURCE_IRQ, + .name = "cts_irq", + }, +}; + +static struct resource cg2900_uart_resources_u5500[] = { + { + .start = CG2900_U5500_BT_CTS_GPIO, + .end = CG2900_U5500_BT_CTS_GPIO, + .flags = IORESOURCE_IO, + .name = "cts_gpio", + }, + { + .start = NOMADIK_GPIO_TO_IRQ(CG2900_U5500_BT_CTS_GPIO), + .end = NOMADIK_GPIO_TO_IRQ(CG2900_U5500_BT_CTS_GPIO), + .flags = IORESOURCE_IRQ, + .name = "cts_irq", + }, +}; + +static struct resource cg2900_uart_resources_u8500[] = { + { + .start = CG2900_GBF_ENA_RESET_GPIO, + .end = CG2900_GBF_ENA_RESET_GPIO, + .flags = IORESOURCE_IO, + .name = "gbf_ena_reset", + }, + { + .start = WLAN_PMU_EN_GPIO, + .end = WLAN_PMU_EN_GPIO, + .flags = IORESOURCE_IO, + .name = "pmu_en", + }, + { + .start = CG2900_UX500_BT_CTS_GPIO, + .end = CG2900_UX500_BT_CTS_GPIO, + .flags = IORESOURCE_IO, + .name = "cts_gpio", + }, + { + .start = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .end = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .flags = IORESOURCE_IRQ, + .name = "cts_irq", + }, +}; + +static struct resource cg2900_uart_resources_u9500[] = { + { + .start = CG2900_GBF_ENA_RESET_GPIO, + .end = CG2900_GBF_ENA_RESET_GPIO, + .flags = IORESOURCE_IO, + .name = "gbf_ena_reset", + }, + { + .start = WLAN_PMU_EN_GPIO_U9500, + .end = WLAN_PMU_EN_GPIO_U9500, + .flags = IORESOURCE_IO, + .name = "pmu_en", + }, + { + .start = CG2900_UX500_BT_CTS_GPIO, + .end = CG2900_UX500_BT_CTS_GPIO, + .flags = IORESOURCE_IO, + .name = "cts_gpio", + }, + { + .start = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .end = NOMADIK_GPIO_TO_IRQ(CG2900_UX500_BT_CTS_GPIO), + .flags = IORESOURCE_IRQ, + .name = "cts_irq", + }, +}; + +static pin_cfg_t u5500_cg2900_uart_enabled[] = { + GPIO165_U3_RXD | PIN_INPUT_PULLUP, + GPIO166_U3_TXD | PIN_OUTPUT_HIGH, + GPIO167_U3_RTSn | PIN_OUTPUT_HIGH, + GPIO168_U3_CTSn | PIN_INPUT_PULLUP, +}; + +static pin_cfg_t u5500_cg2900_uart_disabled[] = { + GPIO165_GPIO | PIN_INPUT_PULLUP, /* RX pull down. */ + GPIO166_GPIO | PIN_OUTPUT_LOW, /* TX low - break on. */ + GPIO167_GPIO | PIN_OUTPUT_HIGH, /* RTS high-flow off. */ + GPIO168_GPIO | PIN_INPUT_PULLUP, /* CTS pull up. */ +}; + +static pin_cfg_t ux500_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 ux500_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 ux500_cg2900_uart_platform_data = { + .bus = HCI_UART, + .gpio_sleep = ux500_cg2900_sleep_gpio, + .uart = { + .n_uart_gpios = 4, + }, +}; + +static struct platform_device ux500_cg2900_uart_device = { + .name = "cg2900-uart", + .dev = { + .platform_data = &ux500_cg2900_uart_platform_data, + .parent = &ux500_cg2900_device.dev, + }, +}; + +static bool mach_supported(void) +{ + if (machine_is_u8500() || + machine_is_u5500() || + machine_is_hrefv60() || + machine_is_nomadik() || + machine_is_snowball()) + return true; + + return false; +} + +static int __init board_cg2900_init(void) +{ + int err; + + if (!mach_supported()) + return 0; + + dcg2900_init_platdata(&ux500_cg2900_test_platform_data); + if (machine_is_u5500()) { + ux500_cg2900_uart_platform_data.uart.uart_enabled = + u5500_cg2900_uart_enabled; + ux500_cg2900_uart_platform_data.uart.uart_disabled = + u5500_cg2900_uart_disabled; + } else { + ux500_cg2900_uart_platform_data.uart.uart_enabled = + ux500_cg2900_uart_enabled; + ux500_cg2900_uart_platform_data.uart.uart_disabled = + ux500_cg2900_uart_disabled; + ux500_cg2900_uart_platform_data.regulator_id = "vdd"; + } + dcg2900_init_platdata(&ux500_cg2900_uart_platform_data); + + if (cpu_is_u8500()) { + if (machine_is_hrefv60()) { + /* u8500 */ + ux500_cg2900_uart_device.num_resources = + ARRAY_SIZE(cg2900_uart_resources_u8500); + ux500_cg2900_uart_device.resource = + cg2900_uart_resources_u8500; + } else { + /* u8500 pre v60*/ + ux500_cg2900_uart_device.num_resources = + ARRAY_SIZE(cg2900_uart_resources_pre_v60); + ux500_cg2900_uart_device.resource = + cg2900_uart_resources_pre_v60; + } + } else if (cpu_is_u5500()) { + /* u5500 */ + ux500_cg2900_uart_device.num_resources = + ARRAY_SIZE(cg2900_uart_resources_u5500); + ux500_cg2900_uart_device.resource = + cg2900_uart_resources_u5500; + } else { + /* u9500 */ + ux500_cg2900_uart_device.num_resources = + ARRAY_SIZE(cg2900_uart_resources_u9500); + ux500_cg2900_uart_device.resource = + cg2900_uart_resources_u9500; + } + + err = platform_device_register(&ux500_cg2900_device); + if (err) + return err; + err = platform_device_register(&ux500_cg2900_uart_device); + if (err) + return err; + err = platform_device_register(&ux500_cg2900_test_device); + if (err) + return err; + err = platform_device_register(&ux500_cg2900_chip_device); + if (err) + return err; + err = platform_device_register(&ux500_stlc2690_chip_device); + if (err) + return err; + + dev_info(&ux500_cg2900_device.dev, "CG2900 initialized\n"); + return 0; +} + +static void __exit board_cg2900_exit(void) +{ + if (!mach_supported()) + return; + + platform_device_unregister(&ux500_stlc2690_chip_device); + platform_device_unregister(&ux500_cg2900_chip_device); + platform_device_unregister(&ux500_cg2900_test_device); + platform_device_unregister(&ux500_cg2900_uart_device); + platform_device_unregister(&ux500_cg2900_device); + + dev_info(&ux500_cg2900_device.dev, "CG2900 removed\n"); +} + +module_init(board_cg2900_init); +module_exit(board_cg2900_exit); |