diff options
Diffstat (limited to 'arch/arm/mach-pxa/colibri-evalboard.c')
| -rw-r--r-- | arch/arm/mach-pxa/colibri-evalboard.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c new file mode 100644 index 000000000..b9c173ede --- /dev/null +++ b/arch/arm/mach-pxa/colibri-evalboard.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/colibri-evalboard.c + * + * Support for Toradex Colibri Evaluation Carrier Board + * Daniel Mack <daniel@caiaq.de> + * Marek Vasut <marek.vasut@gmail.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/gpio/machine.h> +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <asm/mach/arch.h> +#include <linux/i2c.h> +#include <linux/platform_data/i2c-pxa.h> +#include <asm/io.h> + +#include "pxa27x.h" +#include "colibri.h" +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include "pxa27x-udc.h" + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static struct pxamci_platform_data colibri_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .detect_delay_ms = 200, +}; + +static struct gpiod_lookup_table colibri_pxa270_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO0_COLIBRI_PXA270_SD_DETECT, + "cd", GPIO_ACTIVE_LOW), + { }, + }, +}; + +static struct gpiod_lookup_table colibri_pxa300_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO13_COLIBRI_PXA300_SD_DETECT, + "cd", GPIO_ACTIVE_LOW), + { }, + }, +}; + +static struct gpiod_lookup_table colibri_pxa320_mci_gpio_table = { + .dev_id = "pxa2xx-mci.0", + .table = { + GPIO_LOOKUP("gpio-pxa", GPIO28_COLIBRI_PXA320_SD_DETECT, + "cd", GPIO_ACTIVE_LOW), + { }, + }, +}; + +static void __init colibri_mmc_init(void) +{ + if (machine_is_colibri()) /* PXA270 Colibri */ + gpiod_add_lookup_table(&colibri_pxa270_mci_gpio_table); + if (machine_is_colibri300()) /* PXA300 Colibri */ + gpiod_add_lookup_table(&colibri_pxa300_mci_gpio_table); + else /* PXA320 Colibri */ + gpiod_add_lookup_table(&colibri_pxa320_mci_gpio_table); + + pxa_set_mci_info(&colibri_mci_platform_data); +} +#else +static inline void colibri_mmc_init(void) {} +#endif + +/****************************************************************************** + * USB Host + ******************************************************************************/ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static int colibri_ohci_init(struct device *dev) +{ + UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE; + return 0; +} + +static struct pxaohci_platform_data colibri_ohci_info = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT1 | + POWER_CONTROL_LOW | POWER_SENSE_LOW, + .init = colibri_ohci_init, +}; + +static void __init colibri_uhc_init(void) +{ + /* Colibri PXA270 has two usb ports, TBA for 320 */ + if (machine_is_colibri()) + colibri_ohci_info.flags |= ENABLE_PORT2; + + pxa_set_ohci_info(&colibri_ohci_info); +} +#else +static inline void colibri_uhc_init(void) {} +#endif + +/****************************************************************************** + * I2C RTC + ******************************************************************************/ +#if defined(CONFIG_RTC_DRV_DS1307) || defined(CONFIG_RTC_DRV_DS1307_MODULE) +static struct i2c_board_info __initdata colibri_i2c_devs[] = { + { + I2C_BOARD_INFO("m41t00", 0x68), + }, +}; + +static void __init colibri_rtc_init(void) +{ + pxa_set_i2c_info(NULL); + i2c_register_board_info(0, ARRAY_AND_SIZE(colibri_i2c_devs)); +} +#else +static inline void colibri_rtc_init(void) {} +#endif + +void __init colibri_evalboard_init(void) +{ + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + colibri_mmc_init(); + colibri_uhc_init(); + colibri_rtc_init(); +} |