1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * arch/arm/mach-pxa/colibri-pxa320.c 4 * 5 * Support for Toradex PXA320/310 based Colibri module 6 * 7 * Daniel Mack <daniel@caiaq.de> 8 * Matthias Meier <matthias.j.meier@gmx.net> 9 */ 10 11#include <linux/init.h> 12#include <linux/kernel.h> 13#include <linux/platform_device.h> 14#include <linux/gpio/machine.h> 15#include <linux/gpio.h> 16#include <linux/interrupt.h> 17 18#include <asm/mach-types.h> 19#include <linux/sizes.h> 20#include <asm/mach/arch.h> 21#include <asm/mach/irq.h> 22 23#include "pxa320.h" 24#include "colibri.h" 25#include <linux/platform_data/video-pxafb.h> 26#include <linux/platform_data/usb-ohci-pxa27x.h> 27#include <mach/audio.h> 28#include "pxa27x-udc.h" 29#include "udc.h" 30 31#include "generic.h" 32#include "devices.h" 33 34#ifdef CONFIG_MACH_COLIBRI_EVALBOARD 35static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = { 36 /* MMC */ 37 GPIO22_MMC1_CLK, 38 GPIO23_MMC1_CMD, 39 GPIO18_MMC1_DAT0, 40 GPIO19_MMC1_DAT1, 41 GPIO20_MMC1_DAT2, 42 GPIO21_MMC1_DAT3, 43 GPIO28_GPIO, /* SD detect */ 44 45 /* UART 1 configuration (may be set by bootloader) */ 46 GPIO99_UART1_CTS, 47 GPIO104_UART1_RTS, 48 GPIO97_UART1_RXD, 49 GPIO98_UART1_TXD, 50 GPIO101_UART1_DTR, 51 GPIO103_UART1_DSR, 52 GPIO100_UART1_DCD, 53 GPIO102_UART1_RI, 54 55 /* UART 2 configuration */ 56 GPIO109_UART2_CTS, 57 GPIO112_UART2_RTS, 58 GPIO110_UART2_RXD, 59 GPIO111_UART2_TXD, 60 61 /* UART 3 configuration */ 62 GPIO30_UART3_RXD, 63 GPIO31_UART3_TXD, 64 65 /* UHC */ 66 GPIO2_2_USBH_PEN, 67 GPIO3_2_USBH_PWR, 68 69 /* I2C */ 70 GPIO32_I2C_SCL, 71 GPIO33_I2C_SDA, 72 73 /* PCMCIA */ 74 MFP_CFG(GPIO59, AF7), /* PRST ; AF7 to tristate */ 75 MFP_CFG(GPIO61, AF7), /* PCE1 ; AF7 to tristate */ 76 MFP_CFG(GPIO60, AF7), /* PCE2 ; AF7 to tristate */ 77 MFP_CFG(GPIO62, AF7), /* PCD ; AF7 to tristate */ 78 MFP_CFG(GPIO56, AF7), /* PSKTSEL ; AF7 to tristate */ 79 GPIO27_GPIO, /* RDnWR ; input/tristate */ 80 GPIO50_GPIO, /* PREG ; input/tristate */ 81 GPIO2_RDY, 82 GPIO5_NPIOR, 83 GPIO6_NPIOW, 84 GPIO7_NPIOS16, 85 GPIO8_NPWAIT, 86 GPIO29_GPIO, /* PRDY (READY GPIO) */ 87 GPIO57_GPIO, /* PPEN (POWER GPIO) */ 88 GPIO81_GPIO, /* PCD (DETECT GPIO) */ 89 GPIO77_GPIO, /* PRST (RESET GPIO) */ 90 GPIO53_GPIO, /* PBVD1 */ 91 GPIO79_GPIO, /* PBVD2 */ 92 GPIO54_GPIO, /* POE */ 93}; 94#else 95static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {}; 96#endif 97 98#if defined(CONFIG_AX88796) 99#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO) 100/* 101 * Asix AX88796 Ethernet 102 */ 103static struct ax_plat_data colibri_asix_platdata = { 104 .flags = 0, /* defined later */ 105 .wordlength = 2, 106}; 107 108static struct resource colibri_asix_resource[] = { 109 [0] = { 110 .start = PXA3xx_CS2_PHYS, 111 .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1, 112 .flags = IORESOURCE_MEM, 113 }, 114 [1] = { 115 .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO), 116 .end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO), 117 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, 118 } 119}; 120 121static struct platform_device asix_device = { 122 .name = "ax88796", 123 .id = 0, 124 .num_resources = ARRAY_SIZE(colibri_asix_resource), 125 .resource = colibri_asix_resource, 126 .dev = { 127 .platform_data = &colibri_asix_platdata 128 } 129}; 130 131static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = { 132 GPIO3_nCS2, /* AX88796 chip select */ 133 GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */ 134}; 135 136static void __init colibri_pxa320_init_eth(void) 137{ 138 colibri_pxa3xx_init_eth(&colibri_asix_platdata); 139 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config)); 140 platform_device_register(&asix_device); 141} 142#else 143static inline void __init colibri_pxa320_init_eth(void) {} 144#endif /* CONFIG_AX88796 */ 145 146#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE) 147static struct gpiod_lookup_table gpio_vbus_gpiod_table = { 148 .dev_id = "gpio-vbus", 149 .table = { 150 GPIO_LOOKUP("gpio-pxa", MFP_PIN_GPIO96, 151 "vbus", GPIO_ACTIVE_HIGH), 152 { }, 153 }, 154}; 155 156static struct platform_device colibri_pxa320_gpio_vbus = { 157 .name = "gpio-vbus", 158 .id = -1, 159}; 160 161static void colibri_pxa320_udc_command(int cmd) 162{ 163 if (cmd == PXA2XX_UDC_CMD_CONNECT) 164 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE; 165 else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) 166 UP2OCR = UP2OCR_HXOE; 167} 168 169static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = { 170 .udc_command = colibri_pxa320_udc_command, 171 .gpio_pullup = -1, 172}; 173 174static void __init colibri_pxa320_init_udc(void) 175{ 176 pxa_set_udc_info(&colibri_pxa320_udc_info); 177 gpiod_add_lookup_table(&gpio_vbus_gpiod_table); 178 platform_device_register(&colibri_pxa320_gpio_vbus); 179} 180#else 181static inline void colibri_pxa320_init_udc(void) {} 182#endif 183 184#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 185static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = { 186 GPIO6_2_LCD_LDD_0, 187 GPIO7_2_LCD_LDD_1, 188 GPIO8_2_LCD_LDD_2, 189 GPIO9_2_LCD_LDD_3, 190 GPIO10_2_LCD_LDD_4, 191 GPIO11_2_LCD_LDD_5, 192 GPIO12_2_LCD_LDD_6, 193 GPIO13_2_LCD_LDD_7, 194 GPIO63_LCD_LDD_8, 195 GPIO64_LCD_LDD_9, 196 GPIO65_LCD_LDD_10, 197 GPIO66_LCD_LDD_11, 198 GPIO67_LCD_LDD_12, 199 GPIO68_LCD_LDD_13, 200 GPIO69_LCD_LDD_14, 201 GPIO70_LCD_LDD_15, 202 GPIO71_LCD_LDD_16, 203 GPIO72_LCD_LDD_17, 204 GPIO73_LCD_CS_N, 205 GPIO74_LCD_VSYNC, 206 GPIO14_2_LCD_FCLK, 207 GPIO15_2_LCD_LCLK, 208 GPIO16_2_LCD_PCLK, 209 GPIO17_2_LCD_BIAS, 210}; 211 212static void __init colibri_pxa320_init_lcd(void) 213{ 214 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config)); 215} 216#else 217static inline void colibri_pxa320_init_lcd(void) {} 218#endif 219 220#if defined(CONFIG_SND_AC97_CODEC) || \ 221 defined(CONFIG_SND_AC97_CODEC_MODULE) 222static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = { 223 GPIO34_AC97_SYSCLK, 224 GPIO35_AC97_SDATA_IN_0, 225 GPIO37_AC97_SDATA_OUT, 226 GPIO38_AC97_SYNC, 227 GPIO39_AC97_BITCLK, 228 GPIO40_AC97_nACRESET 229}; 230 231static inline void __init colibri_pxa320_init_ac97(void) 232{ 233 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config)); 234 pxa_set_ac97_info(NULL); 235} 236#else 237static inline void colibri_pxa320_init_ac97(void) {} 238#endif 239 240void __init colibri_pxa320_init(void) 241{ 242 colibri_pxa320_init_eth(); 243 colibri_pxa3xx_init_nand(); 244 colibri_pxa320_init_lcd(); 245 colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO)); 246 colibri_pxa320_init_ac97(); 247 colibri_pxa320_init_udc(); 248 249 /* Evalboard init */ 250 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_evalboard_pin_config)); 251 colibri_evalboard_init(); 252} 253 254MACHINE_START(COLIBRI320, "Toradex Colibri PXA320") 255 .atag_offset = 0x100, 256 .init_machine = colibri_pxa320_init, 257 .map_io = pxa3xx_map_io, 258 .nr_irqs = PXA_NR_IRQS, 259 .init_irq = pxa3xx_init_irq, 260 .handle_irq = pxa3xx_handle_irq, 261 .init_time = pxa_timer_init, 262 .restart = pxa_restart, 263MACHINE_END 264 265