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192.168.1.100 / T800 / ae7cf9c1566c697c2ba616a120c7ff3e90d20dfd / . / src / kernel / linux / v4.19 / arch / arm / mach-pxa / colibri-pxa320.c
blob: 17067a3039a847c35acc233a8922ed938cef99f7 [file] [log] [blame]
xjb04a4022021-11-25 15:01:52 +0800[diff] [blame]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 "pxa320.h"
27#include "colibri.h"
28#include <linux/platform_data/video-pxafb.h>
29#include <linux/platform_data/usb-ohci-pxa27x.h>
30#include <mach/audio.h>
31#include "pxa27x-udc.h"
32#include "udc.h"
33
34#include "generic.h"
35#include "devices.h"
36
37#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
38static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {
39 /* MMC */
40 GPIO22_MMC1_CLK,
41 GPIO23_MMC1_CMD,
42 GPIO18_MMC1_DAT0,
43 GPIO19_MMC1_DAT1,
44 GPIO20_MMC1_DAT2,
45 GPIO21_MMC1_DAT3,
46 GPIO28_GPIO, /* SD detect */
47
48 /* UART 1 configuration (may be set by bootloader) */
49 GPIO99_UART1_CTS,
50 GPIO104_UART1_RTS,
51 GPIO97_UART1_RXD,
52 GPIO98_UART1_TXD,
53 GPIO101_UART1_DTR,
54 GPIO103_UART1_DSR,
55 GPIO100_UART1_DCD,
56 GPIO102_UART1_RI,
57
58 /* UART 2 configuration */
59 GPIO109_UART2_CTS,
60 GPIO112_UART2_RTS,
61 GPIO110_UART2_RXD,
62 GPIO111_UART2_TXD,
63
64 /* UART 3 configuration */
65 GPIO30_UART3_RXD,
66 GPIO31_UART3_TXD,
67
68 /* UHC */
69 GPIO2_2_USBH_PEN,
70 GPIO3_2_USBH_PWR,
71
72 /* I2C */
73 GPIO32_I2C_SCL,
74 GPIO33_I2C_SDA,
75
76 /* PCMCIA */
77 MFP_CFG(GPIO59, AF7), /* PRST ; AF7 to tristate */
78 MFP_CFG(GPIO61, AF7), /* PCE1 ; AF7 to tristate */
79 MFP_CFG(GPIO60, AF7), /* PCE2 ; AF7 to tristate */
80 MFP_CFG(GPIO62, AF7), /* PCD ; AF7 to tristate */
81 MFP_CFG(GPIO56, AF7), /* PSKTSEL ; AF7 to tristate */
82 GPIO27_GPIO, /* RDnWR ; input/tristate */
83 GPIO50_GPIO, /* PREG ; input/tristate */
84 GPIO2_RDY,
85 GPIO5_NPIOR,
86 GPIO6_NPIOW,
87 GPIO7_NPIOS16,
88 GPIO8_NPWAIT,
89 GPIO29_GPIO, /* PRDY (READY GPIO) */
90 GPIO57_GPIO, /* PPEN (POWER GPIO) */
91 GPIO81_GPIO, /* PCD (DETECT GPIO) */
92 GPIO77_GPIO, /* PRST (RESET GPIO) */
93 GPIO53_GPIO, /* PBVD1 */
94 GPIO79_GPIO, /* PBVD2 */
95 GPIO54_GPIO, /* POE */
96};
97#else
98static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {};
99#endif
100
101#if defined(CONFIG_AX88796)
102#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO)
103/*
104 * Asix AX88796 Ethernet
105 */
106static struct ax_plat_data colibri_asix_platdata = {
107 .flags = 0, /* defined later */
108 .wordlength = 2,
109};
110
111static struct resource colibri_asix_resource[] = {
112 [0] = {
113 .start = PXA3xx_CS2_PHYS,
114 .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
115 .flags = IORESOURCE_MEM,
116 },
117 [1] = {
118 .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
119 .end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
120 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
121 }
122};
123
124static struct platform_device asix_device = {
125 .name = "ax88796",
126 .id = 0,
127 .num_resources = ARRAY_SIZE(colibri_asix_resource),
128 .resource = colibri_asix_resource,
129 .dev = {
130 .platform_data = &colibri_asix_platdata
131 }
132};
133
134static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
135 GPIO3_nCS2, /* AX88796 chip select */
136 GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
137};
138
139static void __init colibri_pxa320_init_eth(void)
140{
141 colibri_pxa3xx_init_eth(&colibri_asix_platdata);
142 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
143 platform_device_register(&asix_device);
144}
145#else
146static inline void __init colibri_pxa320_init_eth(void) {}
147#endif /* CONFIG_AX88796 */
148
149#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
150static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {
151 .gpio_vbus = mfp_to_gpio(MFP_PIN_GPIO96),
152 .gpio_pullup = -1,
153};
154
155static struct platform_device colibri_pxa320_gpio_vbus = {
156 .name = "gpio-vbus",
157 .id = -1,
158 .dev = {
159 .platform_data = &colibri_pxa320_gpio_vbus_info,
160 },
161};
162
163static void colibri_pxa320_udc_command(int cmd)
164{
165 if (cmd == PXA2XX_UDC_CMD_CONNECT)
166 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
167 else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
168 UP2OCR = UP2OCR_HXOE;
169}
170
171static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = {
172 .udc_command = colibri_pxa320_udc_command,
173 .gpio_pullup = -1,
174};
175
176static void __init colibri_pxa320_init_udc(void)
177{
178 pxa_set_udc_info(&colibri_pxa320_udc_info);
179 platform_device_register(&colibri_pxa320_gpio_vbus);
180}
181#else
182static inline void colibri_pxa320_init_udc(void) {}
183#endif
184
185#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
186static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = {
187 GPIO6_2_LCD_LDD_0,
188 GPIO7_2_LCD_LDD_1,
189 GPIO8_2_LCD_LDD_2,
190 GPIO9_2_LCD_LDD_3,
191 GPIO10_2_LCD_LDD_4,
192 GPIO11_2_LCD_LDD_5,
193 GPIO12_2_LCD_LDD_6,
194 GPIO13_2_LCD_LDD_7,
195 GPIO63_LCD_LDD_8,
196 GPIO64_LCD_LDD_9,
197 GPIO65_LCD_LDD_10,
198 GPIO66_LCD_LDD_11,
199 GPIO67_LCD_LDD_12,
200 GPIO68_LCD_LDD_13,
201 GPIO69_LCD_LDD_14,
202 GPIO70_LCD_LDD_15,
203 GPIO71_LCD_LDD_16,
204 GPIO72_LCD_LDD_17,
205 GPIO73_LCD_CS_N,
206 GPIO74_LCD_VSYNC,
207 GPIO14_2_LCD_FCLK,
208 GPIO15_2_LCD_LCLK,
209 GPIO16_2_LCD_PCLK,
210 GPIO17_2_LCD_BIAS,
211};
212
213static void __init colibri_pxa320_init_lcd(void)
214{
215 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config));
216}
217#else
218static inline void colibri_pxa320_init_lcd(void) {}
219#endif
220
221#if defined(CONFIG_SND_AC97_CODEC) || \
222 defined(CONFIG_SND_AC97_CODEC_MODULE)
223static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = {
224 GPIO34_AC97_SYSCLK,
225 GPIO35_AC97_SDATA_IN_0,
226 GPIO37_AC97_SDATA_OUT,
227 GPIO38_AC97_SYNC,
228 GPIO39_AC97_BITCLK,
229 GPIO40_AC97_nACRESET
230};
231
232static inline void __init colibri_pxa320_init_ac97(void)
233{
234 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config));
235 pxa_set_ac97_info(NULL);
236}
237#else
238static inline void colibri_pxa320_init_ac97(void) {}
239#endif
240
241void __init colibri_pxa320_init(void)
242{
243 colibri_pxa320_init_eth();
244 colibri_pxa3xx_init_nand();
245 colibri_pxa320_init_lcd();
246 colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
247 colibri_pxa320_init_ac97();
248 colibri_pxa320_init_udc();
249
250 /* Evalboard init */
251 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_evalboard_pin_config));
252 colibri_evalboard_init();
253}
254
255MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
256 .atag_offset = 0x100,
257 .init_machine = colibri_pxa320_init,
258 .map_io = pxa3xx_map_io,
259 .nr_irqs = PXA_NR_IRQS,
260 .init_irq = pxa3xx_init_irq,
261 .handle_irq = pxa3xx_handle_irq,
262 .init_time = pxa_timer_init,
263 .restart = pxa_restart,
264MACHINE_END
265