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