1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/income.c
4 *
5 * Support for Income s.r.o. SH-Dmaster PXA270 SBC
6 *
7 * Copyright (C) 2010
8 * Marek Vasut <marek.vasut@gmail.com>
9 * Pavel Revak <palo@bielyvlk.sk>
10 */
11
12 #include <linux/bitops.h>
13 #include <linux/delay.h>
14 #include <linux/gpio/machine.h>
15 #include <linux/init.h>
16 #include <linux/interrupt.h>
17 #include <linux/leds.h>
18 #include <linux/ioport.h>
19 #include <linux/kernel.h>
20 #include <linux/platform_device.h>
21 #include <linux/pwm.h>
22 #include <linux/pwm_backlight.h>
23 #include <linux/platform_data/i2c-pxa.h>
24
25 #include <asm/irq.h>
26 #include <asm/mach-types.h>
27
28 #include <mach/hardware.h>
29 #include <linux/platform_data/mmc-pxamci.h>
30 #include <linux/platform_data/usb-ohci-pxa27x.h>
31 #include "pxa27x.h"
32 #include "pxa27x-udc.h"
33 #include <linux/platform_data/video-pxafb.h>
34
35 #include "devices.h"
36 #include "generic.h"
37
38 #define GPIO114_INCOME_ETH_IRQ (114)
39 #define GPIO0_INCOME_SD_DETECT (0)
40 #define GPIO0_INCOME_SD_RO (1)
41 #define GPIO54_INCOME_LED_A (54)
42 #define GPIO55_INCOME_LED_B (55)
43 #define GPIO113_INCOME_TS_IRQ (113)
44
45 /******************************************************************************
46 * SD/MMC card controller
47 ******************************************************************************/
48 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
49 static struct pxamci_platform_data income_mci_platform_data = {
50 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
51 .detect_delay_ms = 200,
52 };
53
54 static struct gpiod_lookup_table income_mci_gpio_table = {
55 .dev_id = "pxa2xx-mci.0",
56 .table = {
57 /* Card detect on GPIO 0 */
58 GPIO_LOOKUP("gpio-pxa", GPIO0_INCOME_SD_DETECT,
59 "cd", GPIO_ACTIVE_LOW),
60 /* Write protect on GPIO 1 */
61 GPIO_LOOKUP("gpio-pxa", GPIO0_INCOME_SD_RO,
62 "wp", GPIO_ACTIVE_LOW),
63 { },
64 },
65 };
66
income_mmc_init(void)67 static void __init income_mmc_init(void)
68 {
69 gpiod_add_lookup_table(&income_mci_gpio_table);
70 pxa_set_mci_info(&income_mci_platform_data);
71 }
72 #else
income_mmc_init(void)73 static inline void income_mmc_init(void) {}
74 #endif
75
76 /******************************************************************************
77 * USB Host
78 ******************************************************************************/
79 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
80 static struct pxaohci_platform_data income_ohci_info = {
81 .port_mode = PMM_PERPORT_MODE,
82 .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
83 };
84
income_uhc_init(void)85 static void __init income_uhc_init(void)
86 {
87 pxa_set_ohci_info(&income_ohci_info);
88 }
89 #else
income_uhc_init(void)90 static inline void income_uhc_init(void) {}
91 #endif
92
93 /******************************************************************************
94 * LED
95 ******************************************************************************/
96 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
97 struct gpio_led income_gpio_leds[] = {
98 {
99 .name = "income:green:leda",
100 .default_trigger = "none",
101 .gpio = GPIO54_INCOME_LED_A,
102 .active_low = 1,
103 },
104 {
105 .name = "income:green:ledb",
106 .default_trigger = "none",
107 .gpio = GPIO55_INCOME_LED_B,
108 .active_low = 1,
109 }
110 };
111
112 static struct gpio_led_platform_data income_gpio_led_info = {
113 .leds = income_gpio_leds,
114 .num_leds = ARRAY_SIZE(income_gpio_leds),
115 };
116
117 static struct platform_device income_leds = {
118 .name = "leds-gpio",
119 .id = -1,
120 .dev = {
121 .platform_data = &income_gpio_led_info,
122 }
123 };
124
income_led_init(void)125 static void __init income_led_init(void)
126 {
127 platform_device_register(&income_leds);
128 }
129 #else
income_led_init(void)130 static inline void income_led_init(void) {}
131 #endif
132
133 /******************************************************************************
134 * I2C
135 ******************************************************************************/
136 #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
137 static struct i2c_board_info __initdata income_i2c_devs[] = {
138 {
139 I2C_BOARD_INFO("ds1340", 0x68),
140 }, {
141 I2C_BOARD_INFO("lm75", 0x4f),
142 },
143 };
144
income_i2c_init(void)145 static void __init income_i2c_init(void)
146 {
147 pxa_set_i2c_info(NULL);
148 pxa27x_set_i2c_power_info(NULL);
149 i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
150 }
151 #else
income_i2c_init(void)152 static inline void income_i2c_init(void) {}
153 #endif
154
155 /******************************************************************************
156 * Framebuffer
157 ******************************************************************************/
158 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
159 static struct pxafb_mode_info income_lcd_modes[] = {
160 {
161 .pixclock = 144700,
162 .xres = 320,
163 .yres = 240,
164 .bpp = 32,
165 .depth = 18,
166
167 .left_margin = 10,
168 .right_margin = 10,
169 .upper_margin = 7,
170 .lower_margin = 8,
171
172 .hsync_len = 20,
173 .vsync_len = 2,
174
175 .sync = FB_SYNC_VERT_HIGH_ACT,
176 },
177 };
178
179 static struct pxafb_mach_info income_lcd_screen = {
180 .modes = income_lcd_modes,
181 .num_modes = ARRAY_SIZE(income_lcd_modes),
182 .lcd_conn = LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
183 };
184
income_lcd_init(void)185 static void __init income_lcd_init(void)
186 {
187 pxa_set_fb_info(NULL, &income_lcd_screen);
188 }
189 #else
income_lcd_init(void)190 static inline void income_lcd_init(void) {}
191 #endif
192
193 /******************************************************************************
194 * Backlight
195 ******************************************************************************/
196 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
197 static struct pwm_lookup income_pwm_lookup[] = {
198 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 1000000,
199 PWM_POLARITY_NORMAL),
200 };
201
202 static struct platform_pwm_backlight_data income_backlight_data = {
203 .max_brightness = 0x3ff,
204 .dft_brightness = 0x1ff,
205 };
206
207 static struct platform_device income_backlight = {
208 .name = "pwm-backlight",
209 .dev = {
210 .parent = &pxa27x_device_pwm0.dev,
211 .platform_data = &income_backlight_data,
212 },
213 };
214
income_pwm_init(void)215 static void __init income_pwm_init(void)
216 {
217 pwm_add_table(income_pwm_lookup, ARRAY_SIZE(income_pwm_lookup));
218 platform_device_register(&income_backlight);
219 }
220 #else
income_pwm_init(void)221 static inline void income_pwm_init(void) {}
222 #endif
223
colibri_pxa270_income_boardinit(void)224 void __init colibri_pxa270_income_boardinit(void)
225 {
226 pxa_set_ffuart_info(NULL);
227 pxa_set_btuart_info(NULL);
228 pxa_set_stuart_info(NULL);
229
230 income_mmc_init();
231 income_uhc_init();
232 income_led_init();
233 income_i2c_init();
234 income_lcd_init();
235 income_pwm_init();
236 }
237
238