forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
264 lines
6.3 KiB
264 lines
6.3 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* arch/arm/mach-pxa/colibri-pxa320.c |
|
* |
|
* Support for Toradex PXA320/310 based Colibri module |
|
* |
|
* Daniel Mack <[email protected]> |
|
* Matthias Meier <[email protected]> |
|
*/ |
|
|
|
#include <linux/init.h> |
|
#include <linux/kernel.h> |
|
#include <linux/platform_device.h> |
|
#include <linux/gpio/machine.h> |
|
#include <linux/gpio.h> |
|
#include <linux/interrupt.h> |
|
|
|
#include <asm/mach-types.h> |
|
#include <linux/sizes.h> |
|
#include <asm/mach/arch.h> |
|
#include <asm/mach/irq.h> |
|
|
|
#include "pxa320.h" |
|
#include "colibri.h" |
|
#include <linux/platform_data/video-pxafb.h> |
|
#include <linux/platform_data/usb-ohci-pxa27x.h> |
|
#include <mach/audio.h> |
|
#include "pxa27x-udc.h" |
|
#include "udc.h" |
|
|
|
#include "generic.h" |
|
#include "devices.h" |
|
|
|
#ifdef CONFIG_MACH_COLIBRI_EVALBOARD |
|
static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = { |
|
/* MMC */ |
|
GPIO22_MMC1_CLK, |
|
GPIO23_MMC1_CMD, |
|
GPIO18_MMC1_DAT0, |
|
GPIO19_MMC1_DAT1, |
|
GPIO20_MMC1_DAT2, |
|
GPIO21_MMC1_DAT3, |
|
GPIO28_GPIO, /* SD detect */ |
|
|
|
/* UART 1 configuration (may be set by bootloader) */ |
|
GPIO99_UART1_CTS, |
|
GPIO104_UART1_RTS, |
|
GPIO97_UART1_RXD, |
|
GPIO98_UART1_TXD, |
|
GPIO101_UART1_DTR, |
|
GPIO103_UART1_DSR, |
|
GPIO100_UART1_DCD, |
|
GPIO102_UART1_RI, |
|
|
|
/* UART 2 configuration */ |
|
GPIO109_UART2_CTS, |
|
GPIO112_UART2_RTS, |
|
GPIO110_UART2_RXD, |
|
GPIO111_UART2_TXD, |
|
|
|
/* UART 3 configuration */ |
|
GPIO30_UART3_RXD, |
|
GPIO31_UART3_TXD, |
|
|
|
/* UHC */ |
|
GPIO2_2_USBH_PEN, |
|
GPIO3_2_USBH_PWR, |
|
|
|
/* I2C */ |
|
GPIO32_I2C_SCL, |
|
GPIO33_I2C_SDA, |
|
|
|
/* PCMCIA */ |
|
MFP_CFG(GPIO59, AF7), /* PRST ; AF7 to tristate */ |
|
MFP_CFG(GPIO61, AF7), /* PCE1 ; AF7 to tristate */ |
|
MFP_CFG(GPIO60, AF7), /* PCE2 ; AF7 to tristate */ |
|
MFP_CFG(GPIO62, AF7), /* PCD ; AF7 to tristate */ |
|
MFP_CFG(GPIO56, AF7), /* PSKTSEL ; AF7 to tristate */ |
|
GPIO27_GPIO, /* RDnWR ; input/tristate */ |
|
GPIO50_GPIO, /* PREG ; input/tristate */ |
|
GPIO2_RDY, |
|
GPIO5_NPIOR, |
|
GPIO6_NPIOW, |
|
GPIO7_NPIOS16, |
|
GPIO8_NPWAIT, |
|
GPIO29_GPIO, /* PRDY (READY GPIO) */ |
|
GPIO57_GPIO, /* PPEN (POWER GPIO) */ |
|
GPIO81_GPIO, /* PCD (DETECT GPIO) */ |
|
GPIO77_GPIO, /* PRST (RESET GPIO) */ |
|
GPIO53_GPIO, /* PBVD1 */ |
|
GPIO79_GPIO, /* PBVD2 */ |
|
GPIO54_GPIO, /* POE */ |
|
}; |
|
#else |
|
static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {}; |
|
#endif |
|
|
|
#if defined(CONFIG_AX88796) |
|
#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO) |
|
/* |
|
* Asix AX88796 Ethernet |
|
*/ |
|
static struct ax_plat_data colibri_asix_platdata = { |
|
.flags = 0, /* defined later */ |
|
.wordlength = 2, |
|
}; |
|
|
|
static struct resource colibri_asix_resource[] = { |
|
[0] = { |
|
.start = PXA3xx_CS2_PHYS, |
|
.end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1, |
|
.flags = IORESOURCE_MEM, |
|
}, |
|
[1] = { |
|
.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO), |
|
.end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO), |
|
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, |
|
} |
|
}; |
|
|
|
static struct platform_device asix_device = { |
|
.name = "ax88796", |
|
.id = 0, |
|
.num_resources = ARRAY_SIZE(colibri_asix_resource), |
|
.resource = colibri_asix_resource, |
|
.dev = { |
|
.platform_data = &colibri_asix_platdata |
|
} |
|
}; |
|
|
|
static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = { |
|
GPIO3_nCS2, /* AX88796 chip select */ |
|
GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */ |
|
}; |
|
|
|
static void __init colibri_pxa320_init_eth(void) |
|
{ |
|
colibri_pxa3xx_init_eth(&colibri_asix_platdata); |
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config)); |
|
platform_device_register(&asix_device); |
|
} |
|
#else |
|
static inline void __init colibri_pxa320_init_eth(void) {} |
|
#endif /* CONFIG_AX88796 */ |
|
|
|
#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) |
|
static struct gpiod_lookup_table gpio_vbus_gpiod_table = { |
|
.dev_id = "gpio-vbus", |
|
.table = { |
|
GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO96, |
|
"vbus", GPIO_ACTIVE_HIGH), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static struct platform_device colibri_pxa320_gpio_vbus = { |
|
.name = "gpio-vbus", |
|
.id = -1, |
|
}; |
|
|
|
static void colibri_pxa320_udc_command(int cmd) |
|
{ |
|
if (cmd == PXA2XX_UDC_CMD_CONNECT) |
|
UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE; |
|
else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) |
|
UP2OCR = UP2OCR_HXOE; |
|
} |
|
|
|
static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = { |
|
.udc_command = colibri_pxa320_udc_command, |
|
.gpio_pullup = -1, |
|
}; |
|
|
|
static void __init colibri_pxa320_init_udc(void) |
|
{ |
|
pxa_set_udc_info(&colibri_pxa320_udc_info); |
|
gpiod_add_lookup_table(&gpio_vbus_gpiod_table); |
|
platform_device_register(&colibri_pxa320_gpio_vbus); |
|
} |
|
#else |
|
static inline void colibri_pxa320_init_udc(void) {} |
|
#endif |
|
|
|
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
|
static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = { |
|
GPIO6_2_LCD_LDD_0, |
|
GPIO7_2_LCD_LDD_1, |
|
GPIO8_2_LCD_LDD_2, |
|
GPIO9_2_LCD_LDD_3, |
|
GPIO10_2_LCD_LDD_4, |
|
GPIO11_2_LCD_LDD_5, |
|
GPIO12_2_LCD_LDD_6, |
|
GPIO13_2_LCD_LDD_7, |
|
GPIO63_LCD_LDD_8, |
|
GPIO64_LCD_LDD_9, |
|
GPIO65_LCD_LDD_10, |
|
GPIO66_LCD_LDD_11, |
|
GPIO67_LCD_LDD_12, |
|
GPIO68_LCD_LDD_13, |
|
GPIO69_LCD_LDD_14, |
|
GPIO70_LCD_LDD_15, |
|
GPIO71_LCD_LDD_16, |
|
GPIO72_LCD_LDD_17, |
|
GPIO73_LCD_CS_N, |
|
GPIO74_LCD_VSYNC, |
|
GPIO14_2_LCD_FCLK, |
|
GPIO15_2_LCD_LCLK, |
|
GPIO16_2_LCD_PCLK, |
|
GPIO17_2_LCD_BIAS, |
|
}; |
|
|
|
static void __init colibri_pxa320_init_lcd(void) |
|
{ |
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config)); |
|
} |
|
#else |
|
static inline void colibri_pxa320_init_lcd(void) {} |
|
#endif |
|
|
|
#if defined(CONFIG_SND_AC97_CODEC) || \ |
|
defined(CONFIG_SND_AC97_CODEC_MODULE) |
|
static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = { |
|
GPIO34_AC97_SYSCLK, |
|
GPIO35_AC97_SDATA_IN_0, |
|
GPIO37_AC97_SDATA_OUT, |
|
GPIO38_AC97_SYNC, |
|
GPIO39_AC97_BITCLK, |
|
GPIO40_AC97_nACRESET |
|
}; |
|
|
|
static inline void __init colibri_pxa320_init_ac97(void) |
|
{ |
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config)); |
|
pxa_set_ac97_info(NULL); |
|
} |
|
#else |
|
static inline void colibri_pxa320_init_ac97(void) {} |
|
#endif |
|
|
|
void __init colibri_pxa320_init(void) |
|
{ |
|
colibri_pxa320_init_eth(); |
|
colibri_pxa3xx_init_nand(); |
|
colibri_pxa320_init_lcd(); |
|
colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO)); |
|
colibri_pxa320_init_ac97(); |
|
colibri_pxa320_init_udc(); |
|
|
|
/* Evalboard init */ |
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_evalboard_pin_config)); |
|
colibri_evalboard_init(); |
|
} |
|
|
|
MACHINE_START(COLIBRI320, "Toradex Colibri PXA320") |
|
.atag_offset = 0x100, |
|
.init_machine = colibri_pxa320_init, |
|
.map_io = pxa3xx_map_io, |
|
.nr_irqs = PXA_NR_IRQS, |
|
.init_irq = pxa3xx_init_irq, |
|
.handle_irq = pxa3xx_handle_irq, |
|
.init_time = pxa_timer_init, |
|
.restart = pxa_restart, |
|
MACHINE_END |
|
|
|
|