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1 /*
2  * linux/arch/arm/mach-pxa/income.c
3  *
4  * Support for Income s.r.o. SH-Dmaster PXA270 SBC
5  *
6  * Copyright (C) 2010
7  * Marek Vasut <marek.vasut@gmail.com>
8  * Pavel Revak <palo@bielyvlk.sk>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #include <linux/bitops.h>
16 #include <linux/delay.h>
17 #include <linux/gpio.h>
18 #include <linux/init.h>
19 #include <linux/interrupt.h>
20 #include <linux/ioport.h>
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
23 #include <linux/pwm_backlight.h>
24 #include <linux/i2c/pxa-i2c.h>
25 
26 #include <asm/irq.h>
27 #include <asm/mach-types.h>
28 
29 #include <mach/hardware.h>
30 #include <linux/platform_data/mmc-pxamci.h>
31 #include <linux/platform_data/usb-ohci-pxa27x.h>
32 #include <mach/pxa27x.h>
33 #include <mach/pxa27x-udc.h>
34 #include <linux/platform_data/video-pxafb.h>
35 
36 #include "devices.h"
37 #include "generic.h"
38 
39 #define GPIO114_INCOME_ETH_IRQ  (114)
40 #define GPIO0_INCOME_SD_DETECT  (0)
41 #define GPIO0_INCOME_SD_RO      (1)
42 #define GPIO54_INCOME_LED_A     (54)
43 #define GPIO55_INCOME_LED_B     (55)
44 #define GPIO113_INCOME_TS_IRQ   (113)
45 
46 /******************************************************************************
47  * SD/MMC card controller
48  ******************************************************************************/
49 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
50 static struct pxamci_platform_data income_mci_platform_data = {
51 	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
52 	.gpio_power		= -1,
53 	.gpio_card_detect	= GPIO0_INCOME_SD_DETECT,
54 	.gpio_card_ro		= GPIO0_INCOME_SD_RO,
55 	.detect_delay_ms	= 200,
56 };
57 
income_mmc_init(void)58 static void __init income_mmc_init(void)
59 {
60 	pxa_set_mci_info(&income_mci_platform_data);
61 }
62 #else
income_mmc_init(void)63 static inline void income_mmc_init(void) {}
64 #endif
65 
66 /******************************************************************************
67  * USB Host
68  ******************************************************************************/
69 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
70 static struct pxaohci_platform_data income_ohci_info = {
71 	.port_mode	= PMM_PERPORT_MODE,
72 	.flags		= ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
73 };
74 
income_uhc_init(void)75 static void __init income_uhc_init(void)
76 {
77 	pxa_set_ohci_info(&income_ohci_info);
78 }
79 #else
income_uhc_init(void)80 static inline void income_uhc_init(void) {}
81 #endif
82 
83 /******************************************************************************
84  * LED
85  ******************************************************************************/
86 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
87 struct gpio_led income_gpio_leds[] = {
88 	{
89 		.name			= "income:green:leda",
90 		.default_trigger	= "none",
91 		.gpio			= GPIO54_INCOME_LED_A,
92 		.active_low		= 1,
93 	},
94 	{
95 		.name			= "income:green:ledb",
96 		.default_trigger	= "none",
97 		.gpio			= GPIO55_INCOME_LED_B,
98 		.active_low		= 1,
99 	}
100 };
101 
102 static struct gpio_led_platform_data income_gpio_led_info = {
103 	.leds		= income_gpio_leds,
104 	.num_leds	= ARRAY_SIZE(income_gpio_leds),
105 };
106 
107 static struct platform_device income_leds = {
108 	.name	= "leds-gpio",
109 	.id	= -1,
110 	.dev	= {
111 		.platform_data	= &income_gpio_led_info,
112 	}
113 };
114 
income_led_init(void)115 static void __init income_led_init(void)
116 {
117 	platform_device_register(&income_leds);
118 }
119 #else
income_led_init(void)120 static inline void income_led_init(void) {}
121 #endif
122 
123 /******************************************************************************
124  * I2C
125  ******************************************************************************/
126 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
127 static struct i2c_board_info __initdata income_i2c_devs[] = {
128 	{
129 		I2C_BOARD_INFO("ds1340", 0x68),
130 	}, {
131 		I2C_BOARD_INFO("lm75", 0x4f),
132 	},
133 };
134 
income_i2c_init(void)135 static void __init income_i2c_init(void)
136 {
137 	pxa_set_i2c_info(NULL);
138 	pxa27x_set_i2c_power_info(NULL);
139 	i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
140 }
141 #else
income_i2c_init(void)142 static inline void income_i2c_init(void) {}
143 #endif
144 
145 /******************************************************************************
146  * Framebuffer
147  ******************************************************************************/
148 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
149 static struct pxafb_mode_info income_lcd_modes[] = {
150 {
151 	.pixclock	= 144700,
152 	.xres		= 320,
153 	.yres		= 240,
154 	.bpp		= 32,
155 	.depth		= 18,
156 
157 	.left_margin	= 10,
158 	.right_margin	= 10,
159 	.upper_margin	= 7,
160 	.lower_margin	= 8,
161 
162 	.hsync_len	= 20,
163 	.vsync_len	= 2,
164 
165 	.sync		= FB_SYNC_VERT_HIGH_ACT,
166 },
167 };
168 
169 static struct pxafb_mach_info income_lcd_screen = {
170 	.modes		= income_lcd_modes,
171 	.num_modes	= ARRAY_SIZE(income_lcd_modes),
172 	.lcd_conn	= LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
173 };
174 
income_lcd_init(void)175 static void __init income_lcd_init(void)
176 {
177 	pxa_set_fb_info(NULL, &income_lcd_screen);
178 }
179 #else
income_lcd_init(void)180 static inline void income_lcd_init(void) {}
181 #endif
182 
183 /******************************************************************************
184  * Backlight
185  ******************************************************************************/
186 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
187 static struct platform_pwm_backlight_data income_backlight_data = {
188 	.pwm_id		= 0,
189 	.max_brightness	= 0x3ff,
190 	.dft_brightness	= 0x1ff,
191 	.pwm_period_ns	= 1000000,
192 	.enable_gpio	= -1,
193 };
194 
195 static struct platform_device income_backlight = {
196 	.name	= "pwm-backlight",
197 	.dev	= {
198 		.parent		= &pxa27x_device_pwm0.dev,
199 		.platform_data	= &income_backlight_data,
200 	},
201 };
202 
income_pwm_init(void)203 static void __init income_pwm_init(void)
204 {
205 	platform_device_register(&income_backlight);
206 }
207 #else
income_pwm_init(void)208 static inline void income_pwm_init(void) {}
209 #endif
210 
colibri_pxa270_income_boardinit(void)211 void __init colibri_pxa270_income_boardinit(void)
212 {
213 	pxa_set_ffuart_info(NULL);
214 	pxa_set_btuart_info(NULL);
215 	pxa_set_stuart_info(NULL);
216 
217 	income_mmc_init();
218 	income_uhc_init();
219 	income_led_init();
220 	income_i2c_init();
221 	income_lcd_init();
222 	income_pwm_init();
223 }
224 
225