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/leds.h>
21 #include <linux/ioport.h>
22 #include <linux/kernel.h>
23 #include <linux/platform_device.h>
24 #include <linux/pwm.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/platform_data/i2c-pxa.h>
27 
28 #include <asm/irq.h>
29 #include <asm/mach-types.h>
30 
31 #include <mach/hardware.h>
32 #include <linux/platform_data/mmc-pxamci.h>
33 #include <linux/platform_data/usb-ohci-pxa27x.h>
34 #include "pxa27x.h"
35 #include "pxa27x-udc.h"
36 #include <linux/platform_data/video-pxafb.h>
37 
38 #include "devices.h"
39 #include "generic.h"
40 
41 #define GPIO114_INCOME_ETH_IRQ  (114)
42 #define GPIO0_INCOME_SD_DETECT  (0)
43 #define GPIO0_INCOME_SD_RO      (1)
44 #define GPIO54_INCOME_LED_A     (54)
45 #define GPIO55_INCOME_LED_B     (55)
46 #define GPIO113_INCOME_TS_IRQ   (113)
47 
48 /******************************************************************************
49  * SD/MMC card controller
50  ******************************************************************************/
51 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
52 static struct pxamci_platform_data income_mci_platform_data = {
53 	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
54 	.gpio_power		= -1,
55 	.gpio_card_detect	= GPIO0_INCOME_SD_DETECT,
56 	.gpio_card_ro		= GPIO0_INCOME_SD_RO,
57 	.detect_delay_ms	= 200,
58 };
59 
income_mmc_init(void)60 static void __init income_mmc_init(void)
61 {
62 	pxa_set_mci_info(&income_mci_platform_data);
63 }
64 #else
income_mmc_init(void)65 static inline void income_mmc_init(void) {}
66 #endif
67 
68 /******************************************************************************
69  * USB Host
70  ******************************************************************************/
71 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
72 static struct pxaohci_platform_data income_ohci_info = {
73 	.port_mode	= PMM_PERPORT_MODE,
74 	.flags		= ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
75 };
76 
income_uhc_init(void)77 static void __init income_uhc_init(void)
78 {
79 	pxa_set_ohci_info(&income_ohci_info);
80 }
81 #else
income_uhc_init(void)82 static inline void income_uhc_init(void) {}
83 #endif
84 
85 /******************************************************************************
86  * LED
87  ******************************************************************************/
88 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
89 struct gpio_led income_gpio_leds[] = {
90 	{
91 		.name			= "income:green:leda",
92 		.default_trigger	= "none",
93 		.gpio			= GPIO54_INCOME_LED_A,
94 		.active_low		= 1,
95 	},
96 	{
97 		.name			= "income:green:ledb",
98 		.default_trigger	= "none",
99 		.gpio			= GPIO55_INCOME_LED_B,
100 		.active_low		= 1,
101 	}
102 };
103 
104 static struct gpio_led_platform_data income_gpio_led_info = {
105 	.leds		= income_gpio_leds,
106 	.num_leds	= ARRAY_SIZE(income_gpio_leds),
107 };
108 
109 static struct platform_device income_leds = {
110 	.name	= "leds-gpio",
111 	.id	= -1,
112 	.dev	= {
113 		.platform_data	= &income_gpio_led_info,
114 	}
115 };
116 
income_led_init(void)117 static void __init income_led_init(void)
118 {
119 	platform_device_register(&income_leds);
120 }
121 #else
income_led_init(void)122 static inline void income_led_init(void) {}
123 #endif
124 
125 /******************************************************************************
126  * I2C
127  ******************************************************************************/
128 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
129 static struct i2c_board_info __initdata income_i2c_devs[] = {
130 	{
131 		I2C_BOARD_INFO("ds1340", 0x68),
132 	}, {
133 		I2C_BOARD_INFO("lm75", 0x4f),
134 	},
135 };
136 
income_i2c_init(void)137 static void __init income_i2c_init(void)
138 {
139 	pxa_set_i2c_info(NULL);
140 	pxa27x_set_i2c_power_info(NULL);
141 	i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
142 }
143 #else
income_i2c_init(void)144 static inline void income_i2c_init(void) {}
145 #endif
146 
147 /******************************************************************************
148  * Framebuffer
149  ******************************************************************************/
150 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
151 static struct pxafb_mode_info income_lcd_modes[] = {
152 {
153 	.pixclock	= 144700,
154 	.xres		= 320,
155 	.yres		= 240,
156 	.bpp		= 32,
157 	.depth		= 18,
158 
159 	.left_margin	= 10,
160 	.right_margin	= 10,
161 	.upper_margin	= 7,
162 	.lower_margin	= 8,
163 
164 	.hsync_len	= 20,
165 	.vsync_len	= 2,
166 
167 	.sync		= FB_SYNC_VERT_HIGH_ACT,
168 },
169 };
170 
171 static struct pxafb_mach_info income_lcd_screen = {
172 	.modes		= income_lcd_modes,
173 	.num_modes	= ARRAY_SIZE(income_lcd_modes),
174 	.lcd_conn	= LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
175 };
176 
income_lcd_init(void)177 static void __init income_lcd_init(void)
178 {
179 	pxa_set_fb_info(NULL, &income_lcd_screen);
180 }
181 #else
income_lcd_init(void)182 static inline void income_lcd_init(void) {}
183 #endif
184 
185 /******************************************************************************
186  * Backlight
187  ******************************************************************************/
188 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
189 static struct pwm_lookup income_pwm_lookup[] = {
190 	PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 1000000,
191 		   PWM_POLARITY_NORMAL),
192 };
193 
194 static struct platform_pwm_backlight_data income_backlight_data = {
195 	.max_brightness	= 0x3ff,
196 	.dft_brightness	= 0x1ff,
197 	.enable_gpio	= -1,
198 };
199 
200 static struct platform_device income_backlight = {
201 	.name	= "pwm-backlight",
202 	.dev	= {
203 		.parent		= &pxa27x_device_pwm0.dev,
204 		.platform_data	= &income_backlight_data,
205 	},
206 };
207 
income_pwm_init(void)208 static void __init income_pwm_init(void)
209 {
210 	pwm_add_table(income_pwm_lookup, ARRAY_SIZE(income_pwm_lookup));
211 	platform_device_register(&income_backlight);
212 }
213 #else
income_pwm_init(void)214 static inline void income_pwm_init(void) {}
215 #endif
216 
colibri_pxa270_income_boardinit(void)217 void __init colibri_pxa270_income_boardinit(void)
218 {
219 	pxa_set_ffuart_info(NULL);
220 	pxa_set_btuart_info(NULL);
221 	pxa_set_stuart_info(NULL);
222 
223 	income_mmc_init();
224 	income_uhc_init();
225 	income_led_init();
226 	income_i2c_init();
227 	income_lcd_init();
228 	income_pwm_init();
229 }
230 
231