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1 | /* |
2 | * arch/arm/mach-pxa/colibri-pxa320.c |
3 | * |
4 | * Support for Toradex PXA320/310 based Colibri module |
5 | * |
6 | * Daniel Mack <daniel@caiaq.de> |
7 | * Matthias Meier <matthias.j.meier@gmx.net> |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License version 2 as |
11 | * published by the Free Software Foundation. |
12 | */ |
13 | |
14 | #include <linux/init.h> |
15 | #include <linux/kernel.h> |
16 | #include <linux/platform_device.h> |
17 | #include <linux/gpio.h> |
18 | #include <linux/interrupt.h> |
19 | #include <linux/usb/gpio_vbus.h> |
20 | |
21 | #include <asm/mach-types.h> |
22 | #include <asm/sizes.h> |
23 | #include <asm/mach/arch.h> |
24 | #include <asm/mach/irq.h> |
25 | |
26 | #include <mach/pxa3xx-regs.h> |
27 | #include <mach/mfp-pxa320.h> |
28 | #include <mach/colibri.h> |
29 | #include <mach/pxafb.h> |
30 | #include <mach/ohci.h> |
31 | #include <mach/audio.h> |
32 | #include <mach/pxa27x-udc.h> |
33 | #include <mach/udc.h> |
34 | |
35 | #include "generic.h" |
36 | #include "devices.h" |
37 | |
38 | #if defined(CONFIG_AX88796) |
39 | #define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO) |
40 | |
41 | /* |
42 | * Asix AX88796 Ethernet |
43 | */ |
44 | static struct ax_plat_data colibri_asix_platdata = { |
45 | .flags = 0, /* defined later */ |
46 | .wordlength = 2, |
47 | }; |
48 | |
49 | static struct resource colibri_asix_resource[] = { |
50 | [0] = { |
51 | .start = PXA3xx_CS2_PHYS, |
52 | .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1, |
53 | .flags = IORESOURCE_MEM, |
54 | }, |
55 | [1] = { |
56 | .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), |
57 | .end = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), |
58 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, |
59 | } |
60 | }; |
61 | |
62 | static struct platform_device asix_device = { |
63 | .name = "ax88796", |
64 | .id = 0, |
65 | .num_resources = ARRAY_SIZE(colibri_asix_resource), |
66 | .resource = colibri_asix_resource, |
67 | .dev = { |
68 | .platform_data = &colibri_asix_platdata |
69 | } |
70 | }; |
71 | |
72 | static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = { |
73 | GPIO3_nCS2, /* AX88796 chip select */ |
74 | GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */ |
75 | }; |
76 | |
77 | static void __init colibri_pxa320_init_eth(void) |
78 | { |
79 | colibri_pxa3xx_init_eth(&colibri_asix_platdata); |
80 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config)); |
81 | platform_device_register(&asix_device); |
82 | } |
83 | #else |
84 | static inline void __init colibri_pxa320_init_eth(void) {} |
85 | #endif /* CONFIG_AX88796 */ |
86 | |
87 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
88 | static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = { |
89 | GPIO2_2_USBH_PEN, |
90 | GPIO3_2_USBH_PWR, |
91 | }; |
92 | |
93 | static struct pxaohci_platform_data colibri_pxa320_ohci_info = { |
94 | .port_mode = PMM_GLOBAL_MODE, |
95 | .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW, |
96 | }; |
97 | |
98 | void __init colibri_pxa320_init_ohci(void) |
99 | { |
100 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config)); |
101 | pxa_set_ohci_info(&colibri_pxa320_ohci_info); |
102 | } |
103 | #else |
104 | static inline void colibri_pxa320_init_ohci(void) {} |
105 | #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */ |
106 | |
107 | #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) |
108 | static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = { |
109 | .gpio_vbus = mfp_to_gpio(MFP_PIN_GPIO96), |
110 | .gpio_pullup = -1, |
111 | }; |
112 | |
113 | static struct platform_device colibri_pxa320_gpio_vbus = { |
114 | .name = "gpio-vbus", |
115 | .id = -1, |
116 | .dev = { |
117 | .platform_data = &colibri_pxa320_gpio_vbus_info, |
118 | }, |
119 | }; |
120 | |
121 | static void colibri_pxa320_udc_command(int cmd) |
122 | { |
123 | if (cmd == PXA2XX_UDC_CMD_CONNECT) |
124 | UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE; |
125 | else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) |
126 | UP2OCR = UP2OCR_HXOE; |
127 | } |
128 | |
129 | static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = { |
130 | .udc_command = colibri_pxa320_udc_command, |
131 | .gpio_pullup = -1, |
132 | }; |
133 | |
134 | static void __init colibri_pxa320_init_udc(void) |
135 | { |
136 | pxa_set_udc_info(&colibri_pxa320_udc_info); |
137 | platform_device_register(&colibri_pxa320_gpio_vbus); |
138 | } |
139 | #else |
140 | static inline void colibri_pxa320_init_udc(void) {} |
141 | #endif |
142 | |
143 | static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = { |
144 | GPIO22_MMC1_CLK, |
145 | GPIO23_MMC1_CMD, |
146 | GPIO18_MMC1_DAT0, |
147 | GPIO19_MMC1_DAT1, |
148 | GPIO20_MMC1_DAT2, |
149 | GPIO21_MMC1_DAT3 |
150 | }; |
151 | |
152 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
153 | static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = { |
154 | GPIO6_2_LCD_LDD_0, |
155 | GPIO7_2_LCD_LDD_1, |
156 | GPIO8_2_LCD_LDD_2, |
157 | GPIO9_2_LCD_LDD_3, |
158 | GPIO10_2_LCD_LDD_4, |
159 | GPIO11_2_LCD_LDD_5, |
160 | GPIO12_2_LCD_LDD_6, |
161 | GPIO13_2_LCD_LDD_7, |
162 | GPIO63_LCD_LDD_8, |
163 | GPIO64_LCD_LDD_9, |
164 | GPIO65_LCD_LDD_10, |
165 | GPIO66_LCD_LDD_11, |
166 | GPIO67_LCD_LDD_12, |
167 | GPIO68_LCD_LDD_13, |
168 | GPIO69_LCD_LDD_14, |
169 | GPIO70_LCD_LDD_15, |
170 | GPIO71_LCD_LDD_16, |
171 | GPIO72_LCD_LDD_17, |
172 | GPIO73_LCD_CS_N, |
173 | GPIO74_LCD_VSYNC, |
174 | GPIO14_2_LCD_FCLK, |
175 | GPIO15_2_LCD_LCLK, |
176 | GPIO16_2_LCD_PCLK, |
177 | GPIO17_2_LCD_BIAS, |
178 | }; |
179 | |
180 | static void __init colibri_pxa320_init_lcd(void) |
181 | { |
182 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config)); |
183 | } |
184 | #else |
185 | static inline void colibri_pxa320_init_lcd(void) {} |
186 | #endif |
187 | |
188 | #if defined(CONFIG_SND_AC97_CODEC) || \ |
189 | defined(CONFIG_SND_AC97_CODEC_MODULE) |
190 | static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = { |
191 | GPIO34_AC97_SYSCLK, |
192 | GPIO35_AC97_SDATA_IN_0, |
193 | GPIO37_AC97_SDATA_OUT, |
194 | GPIO38_AC97_SYNC, |
195 | GPIO39_AC97_BITCLK, |
196 | GPIO40_AC97_nACRESET |
197 | }; |
198 | |
199 | static inline void __init colibri_pxa320_init_ac97(void) |
200 | { |
201 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config)); |
202 | pxa_set_ac97_info(NULL); |
203 | } |
204 | #else |
205 | static inline void colibri_pxa320_init_ac97(void) {} |
206 | #endif |
207 | |
208 | /* |
209 | * The following configuration is verified to work with the Toradex Orchid |
210 | * carrier board |
211 | */ |
212 | static mfp_cfg_t colibri_pxa320_uart_pin_config[] __initdata = { |
213 | /* UART 1 configuration (may be set by bootloader) */ |
214 | GPIO99_UART1_CTS, |
215 | GPIO104_UART1_RTS, |
216 | GPIO97_UART1_RXD, |
217 | GPIO98_UART1_TXD, |
218 | GPIO101_UART1_DTR, |
219 | GPIO103_UART1_DSR, |
220 | GPIO100_UART1_DCD, |
221 | GPIO102_UART1_RI, |
222 | |
223 | /* UART 2 configuration */ |
224 | GPIO109_UART2_CTS, |
225 | GPIO112_UART2_RTS, |
226 | GPIO110_UART2_RXD, |
227 | GPIO111_UART2_TXD, |
228 | |
229 | /* UART 3 configuration */ |
230 | GPIO30_UART3_RXD, |
231 | GPIO31_UART3_TXD, |
232 | }; |
233 | |
234 | static void __init colibri_pxa320_init_uart(void) |
235 | { |
236 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_uart_pin_config)); |
237 | } |
238 | |
239 | void __init colibri_pxa320_init(void) |
240 | { |
241 | pxa_set_ffuart_info(NULL); |
242 | pxa_set_btuart_info(NULL); |
243 | pxa_set_stuart_info(NULL); |
244 | |
245 | colibri_pxa320_init_eth(); |
246 | colibri_pxa320_init_ohci(); |
247 | colibri_pxa3xx_init_nand(); |
248 | colibri_pxa320_init_lcd(); |
249 | colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO)); |
250 | colibri_pxa320_init_ac97(); |
251 | colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config), |
252 | mfp_to_gpio(MFP_PIN_GPIO28)); |
253 | colibri_pxa320_init_uart(); |
254 | colibri_pxa320_init_udc(); |
255 | } |
256 | |
257 | MACHINE_START(COLIBRI320, "Toradex Colibri PXA320") |
258 | .boot_params = COLIBRI_SDRAM_BASE + 0x100, |
259 | .init_machine = colibri_pxa320_init, |
260 | .map_io = pxa_map_io, |
261 | .init_irq = pxa3xx_init_irq, |
262 | .timer = &pxa_timer, |
263 | MACHINE_END |
264 | |
265 |
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