| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * arch/arm/mach-pxa/colibri-pxa320.c |
| * |
| * Support for Toradex PXA320/310 based Colibri module |
| * |
| * Daniel Mack <daniel@caiaq.de> |
| * Matthias Meier <matthias.j.meier@gmx.net> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/gpio.h> |
| #include <linux/interrupt.h> |
| #include <linux/usb/gpio_vbus.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 gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = { |
| .gpio_vbus = mfp_to_gpio(MFP_PIN_GPIO96), |
| .gpio_pullup = -1, |
| }; |
| |
| static struct platform_device colibri_pxa320_gpio_vbus = { |
| .name = "gpio-vbus", |
| .id = -1, |
| .dev = { |
| .platform_data = &colibri_pxa320_gpio_vbus_info, |
| }, |
| }; |
| |
| 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); |
| 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 |
| |
