diff options
Diffstat (limited to 'arch/arm/mach-ns9xxx/mach-cc9p9360js.c')
| -rw-r--r-- | arch/arm/mach-ns9xxx/mach-cc9p9360js.c | 187 |
1 files changed, 180 insertions, 7 deletions
diff --git a/arch/arm/mach-ns9xxx/mach-cc9p9360js.c b/arch/arm/mach-ns9xxx/mach-cc9p9360js.c index 729f68da4293..cebf99f49a84 100644 --- a/arch/arm/mach-ns9xxx/mach-cc9p9360js.c +++ b/arch/arm/mach-ns9xxx/mach-cc9p9360js.c @@ -1,28 +1,201 @@ /* * arch/arm/mach-ns9xxx/mach-cc9p9360js.c * - * Copyright (C) 2006,2007 by Digi International Inc. + * Copyright (C) 2008 by Digi International Inc. * All rights reserved. * * 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 <linux/i2c.h> +#include <linux/i2c/pca953x.h> +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/irq.h> + #include <asm/mach/arch.h> #include <asm/mach-types.h> +#include <mach/irqs.h> + +#include "irq.h" +#include "processor-ns9360.h" +#include "ns9360_devices.h" +#include "cc9p9360_devices.h" + +/* I2C devices */ +#if defined(CONFIG_GPIO_PCA953X) || defined(CONFIG_GPIO_PCA953X_MODULE) +static struct pca953x_platform_data pca9554_data = { + .gpio_base = 108, +}; +#endif + +static struct i2c_board_info i2c_devices[] __initdata = { +#if defined(CONFIG_GPIO_PCA953X) || defined(CONFIG_GPIO_PCA953X_MODULE) + { + I2C_BOARD_INFO("pca9554", 0x20), + .platform_data = &pca9554_data, + }, +#endif +#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE) + { + I2C_BOARD_INFO("ds1337", 0x68), +#if defined(CONFIG_EXTERNAL_RTC_ALARM) + .irq = IRQ_NS9XXX_EXT0, +#endif + }, +#endif +}; + +#ifdef CONFIG_CC9P9360JS_TOUCH +static int touch_pendown_state(void) +{ + return gpio_get_value(69) ? 0 : 1; +} + +static struct ads7846_platform_data cc9p9360js_touch_data = { + .model = 7843, + .get_pendown_state = touch_pendown_state, + .x_min = 100, + .y_min = 100, + .x_max = 4000, + .y_max = 4000, + .rotate = 180, + .buflen = 20, + .skip_samples = 0, +}; + +void __init cc9p9360js_add_device_touch(void) +{ + if (gpio_request(69, "ads7846")) + return; + + gpio_configure_ns9360(69, 0, 0, 2); +} + +#define CC9P9360JS_TOUCH \ + { \ + .modalias = "ads7846", \ + .max_speed_hz = 200000, \ + .irq = IRQ_NS9XXX_EXT1, \ + .bus_num = 0, \ + .chip_select = 0, \ + .platform_data = &cc9p9360js_touch_data, \ + }, + +#else +#define CC9P9360JS_TOUCH +void __init cc9p9360js_add_device_touch(void) {} +#endif -#include <mach/processor-ns9360.h> +static struct spi_board_info spi_devices[] __initdata = { + CC9P9360JS_TOUCH + /* Add here other SPI devices, if any... */ +}; -#include "board-jscc9p9360.h" -#include "generic.h" +#if defined(CONFIG_EXTERNAL_RTC_ALARM) +void __init cc9p9360js_external_rtc_alarm(void) +{ + /* Request and configure GPIO */ + if (gpio_request(13, "ds1337")) + return; + gpio_configure_ns9360(13, 0, 0, 1); + /* Configure interrupt */ + set_irq_type( IRQ_NS9XXX_EXT0, IRQF_TRIGGER_FALLING ); +} +#endif static void __init mach_cc9p9360js_init_machine(void) { - ns9xxx_init_machine(); - board_jscc9p9360_init_machine(); + /* register several system clocks */ + ns9360_init_machine(); + + /* UARTs */ +#if defined(CONFIG_CC9P9360JS_SERIAL_PORTA_RXTX) + ns9xxx_add_device_cc9p9360_uarta_rxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTA_CTSRTSRXTX) + ns9xxx_add_device_cc9p9360_uarta_ctsrtsrxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTA_FULL) + ns9xxx_add_device_cc9p9360_uarta_full(); +#endif +#if defined(CONFIG_CC9P9360JS_SERIAL_PORTB_RXTX) + ns9xxx_add_device_cc9p9360_uartb_rxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTB_CTSRTSRXTX) + ns9xxx_add_device_cc9p9360_uartb_ctsrtsrxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTB_FULL) + ns9xxx_add_device_cc9p9360_uartb_full(); +#endif +#if defined(CONFIG_CC9P9360JS_SERIAL_PORTC_RXTX) + ns9xxx_add_device_cc9p9360_uartc_rxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTC_CTSRTSRXTX) + ns9xxx_add_device_cc9p9360_uartc_ctsrtsrxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTC_FULL) + ns9xxx_add_device_cc9p9360_uartc_full(); +#endif +#if defined(CONFIG_CC9P9360JS_SERIAL_PORTD_RXTX) + ns9xxx_add_device_cc9p9360_uartd_rxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTD_CTSRTSRXTX) + ns9xxx_add_device_cc9p9360_uartd_ctsrtsrxtx(); +#elif defined(CONFIG_CC9P9360JS_SERIAL_PORTD_FULL) + ns9xxx_add_device_cc9p9360_uartd_full(); +#endif + + /* SPI */ +#if defined(CONFIG_CC9P9360JS_SPI_PORTA) + ns9xxx_add_device_cc9p9360_spi_porta(); +#endif +#if defined(CONFIG_CC9P9360JS_SPI_PORTB) + ns9xxx_add_device_cc9p9360_spi_portb(); +#endif +#if defined(CONFIG_CC9P9360JS_SPI_PORTC) + ns9xxx_add_device_cc9p9360_spi_portc(); +#endif +#if defined(CONFIG_CC9P9360JS_SPI_PORTD) + ns9xxx_add_device_cc9p9360_spi_portd(); +#endif + + /* Ethernet */ + ns9xxx_add_device_cc9p9360_eth(); + + /* NAND flash */ + ns9xxx_add_device_cc9p9360_nand(); + + /* Watchdog timer */ + ns9xxx_add_device_ns9360_wdt(); + + /* USB host */ + ns9xxx_add_device_ns9360_usbh(); + + /* I2C controller */ + ns9xxx_add_device_cc9p9360_i2c(); + + /* I2C devices */ + i2c_register_board_info(0, i2c_devices, ARRAY_SIZE(i2c_devices)); + + /* Framebuffer */ +#if defined(CONFIG_CC9P9360JS_FB) + ns9xxx_add_device_cc9p9360_fb(18); +#endif + + /* Touchscreen */ + cc9p9360js_add_device_touch(); + + /* SPI devices */ + spi_register_board_info(spi_devices, ARRAY_SIZE(spi_devices)); + + /* RTC (internal) */ + ns9xxx_add_device_ns9360_rtc(); + + /* RTC (external) */ +#if defined(CONFIG_EXTERNAL_RTC_ALARM) + cc9p9360js_external_rtc_alarm(); +#endif } -MACHINE_START(CC9P9360JS, "Digi ConnectCore 9P 9360 on an JSCC9P9360 Devboard") +MACHINE_START(CC9P9360JS, "ConnectCore 9P 9360 on a JSCC9P9360 Devboard") .map_io = ns9360_map_io, .init_irq = ns9xxx_init_irq, .init_machine = mach_cc9p9360js_init_machine, |