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OSCL-LXR
 
 

     

0001 // SPDX-License-Identifier: GPL-2.0
0002 //
0003 // Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
0004 // Copyright (c) 2007-2010 Vasily Khoruzhick
0005 //
0006 // based on smdk2440 written by Ben Dooks
0007 
0008 #include <linux/kernel.h>
0009 #include <linux/types.h>
0010 #include <linux/interrupt.h>
0011 #include <linux/list.h>
0012 #include <linux/memblock.h>
0013 #include <linux/delay.h>
0014 #include <linux/timer.h>
0015 #include <linux/init.h>
0016 #include <linux/gpio.h>
0017 #include <linux/gpio/machine.h>
0018 #include <linux/platform_device.h>
0019 #include <linux/serial_core.h>
0020 #include <linux/serial_s3c.h>
0021 #include <linux/input.h>
0022 #include <linux/gpio_keys.h>
0023 #include <linux/device.h>
0024 #include <linux/pda_power.h>
0025 #include <linux/pwm_backlight.h>
0026 #include <linux/pwm.h>
0027 #include <linux/s3c_adc_battery.h>
0028 #include <linux/leds.h>
0029 #include <linux/i2c.h>
0030 
0031 #include <linux/mtd/mtd.h>
0032 #include <linux/mtd/partitions.h>
0033 
0034 #include <linux/mmc/host.h>
0035 
0036 #include <asm/mach-types.h>
0037 #include <asm/mach/arch.h>
0038 #include <asm/mach/map.h>
0039 
0040 #include <linux/platform_data/i2c-s3c2410.h>
0041 #include <linux/platform_data/mmc-s3cmci.h>
0042 #include <linux/platform_data/mtd-nand-s3c2410.h>
0043 #include <linux/platform_data/touchscreen-s3c2410.h>
0044 #include <linux/platform_data/usb-s3c2410_udc.h>
0045 #include <linux/platform_data/fb-s3c2410.h>
0046 
0047 #include <sound/uda1380.h>
0048 
0049 #include "hardware-s3c24xx.h"
0050 #include "regs-gpio.h"
0051 #include "gpio-samsung.h"
0052 
0053 #include "cpu.h"
0054 #include "devs.h"
0055 #include "pm.h"
0056 #include "gpio-cfg.h"
0057 
0058 #include "s3c24xx.h"
0059 #include "h1940.h"
0060 
0061 #define LCD_PWM_PERIOD 192960
0062 #define LCD_PWM_DUTY 127353
0063 
0064 static struct map_desc rx1950_iodesc[] __initdata = {
0065 };
0066 
0067 static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
0068     [0] = {
0069            .hwport = 0,
0070            .flags = 0,
0071            .ucon = 0x3c5,
0072            .ulcon = 0x03,
0073            .ufcon = 0x51,
0074         .clk_sel = S3C2410_UCON_CLKSEL3,
0075     },
0076     [1] = {
0077            .hwport = 1,
0078            .flags = 0,
0079            .ucon = 0x3c5,
0080            .ulcon = 0x03,
0081            .ufcon = 0x51,
0082         .clk_sel = S3C2410_UCON_CLKSEL3,
0083     },
0084     /* IR port */
0085     [2] = {
0086            .hwport = 2,
0087            .flags = 0,
0088            .ucon = 0x3c5,
0089            .ulcon = 0x43,
0090            .ufcon = 0xf1,
0091         .clk_sel = S3C2410_UCON_CLKSEL3,
0092     },
0093 };
0094 
0095 static struct s3c2410fb_display rx1950_display = {
0096     .type = S3C2410_LCDCON1_TFT,
0097     .width = 240,
0098     .height = 320,
0099     .xres = 240,
0100     .yres = 320,
0101     .bpp = 16,
0102 
0103     .pixclock = 260000,
0104     .left_margin = 10,
0105     .right_margin = 20,
0106     .hsync_len = 10,
0107     .upper_margin = 2,
0108     .lower_margin = 2,
0109     .vsync_len = 2,
0110 
0111     .lcdcon5 = S3C2410_LCDCON5_FRM565 |
0112                S3C2410_LCDCON5_INVVCLK |
0113                S3C2410_LCDCON5_INVVLINE |
0114                S3C2410_LCDCON5_INVVFRAME |
0115                S3C2410_LCDCON5_HWSWP |
0116                (0x02 << 13) |
0117                (0x02 << 15),
0118 
0119 };
0120 
0121 static int power_supply_init(struct device *dev)
0122 {
0123     return gpio_request(S3C2410_GPF(2), "cable plugged");
0124 }
0125 
0126 static int rx1950_is_ac_online(void)
0127 {
0128     return !gpio_get_value(S3C2410_GPF(2));
0129 }
0130 
0131 static void power_supply_exit(struct device *dev)
0132 {
0133     gpio_free(S3C2410_GPF(2));
0134 }
0135 
0136 static char *rx1950_supplicants[] = {
0137     "main-battery"
0138 };
0139 
0140 static struct pda_power_pdata power_supply_info = {
0141     .init           = power_supply_init,
0142     .is_ac_online       = rx1950_is_ac_online,
0143     .exit           = power_supply_exit,
0144     .supplied_to        = rx1950_supplicants,
0145     .num_supplicants    = ARRAY_SIZE(rx1950_supplicants),
0146 };
0147 
0148 static struct resource power_supply_resources[] = {
0149     [0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
0150             | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
0151 };
0152 
0153 static struct platform_device power_supply = {
0154     .name           = "pda-power",
0155     .id         = -1,
0156     .dev            = {
0157                     .platform_data =
0158                         &power_supply_info,
0159     },
0160     .resource       = power_supply_resources,
0161     .num_resources      = ARRAY_SIZE(power_supply_resources),
0162 };
0163 
0164 static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
0165     { .volt = 4100, .cur = 156, .level = 100},
0166     { .volt = 4050, .cur = 156, .level = 95},
0167     { .volt = 4025, .cur = 141, .level = 90},
0168     { .volt = 3995, .cur = 144, .level = 85},
0169     { .volt = 3957, .cur = 162, .level = 80},
0170     { .volt = 3931, .cur = 147, .level = 75},
0171     { .volt = 3902, .cur = 147, .level = 70},
0172     { .volt = 3863, .cur = 153, .level = 65},
0173     { .volt = 3838, .cur = 150, .level = 60},
0174     { .volt = 3800, .cur = 153, .level = 55},
0175     { .volt = 3765, .cur = 153, .level = 50},
0176     { .volt = 3748, .cur = 172, .level = 45},
0177     { .volt = 3740, .cur = 153, .level = 40},
0178     { .volt = 3714, .cur = 175, .level = 35},
0179     { .volt = 3710, .cur = 156, .level = 30},
0180     { .volt = 3963, .cur = 156, .level = 25},
0181     { .volt = 3672, .cur = 178, .level = 20},
0182     { .volt = 3651, .cur = 178, .level = 15},
0183     { .volt = 3629, .cur = 178, .level = 10},
0184     { .volt = 3612, .cur = 162, .level = 5},
0185     { .volt = 3605, .cur = 162, .level = 0},
0186 };
0187 
0188 static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
0189     { .volt = 4200, .cur = 0, .level = 100},
0190     { .volt = 4190, .cur = 0, .level = 99},
0191     { .volt = 4178, .cur = 0, .level = 95},
0192     { .volt = 4110, .cur = 0, .level = 70},
0193     { .volt = 4076, .cur = 0, .level = 65},
0194     { .volt = 4046, .cur = 0, .level = 60},
0195     { .volt = 4021, .cur = 0, .level = 55},
0196     { .volt = 3999, .cur = 0, .level = 50},
0197     { .volt = 3982, .cur = 0, .level = 45},
0198     { .volt = 3965, .cur = 0, .level = 40},
0199     { .volt = 3957, .cur = 0, .level = 35},
0200     { .volt = 3948, .cur = 0, .level = 30},
0201     { .volt = 3936, .cur = 0, .level = 25},
0202     { .volt = 3927, .cur = 0, .level = 20},
0203     { .volt = 3906, .cur = 0, .level = 15},
0204     { .volt = 3880, .cur = 0, .level = 10},
0205     { .volt = 3829, .cur = 0, .level = 5},
0206     { .volt = 3820, .cur = 0, .level = 0},
0207 };
0208 
0209 static struct gpiod_lookup_table rx1950_bat_gpio_table = {
0210     .dev_id = "s3c-adc-battery",
0211     .table = {
0212         /* Charge status S3C2410_GPF(3) */
0213         GPIO_LOOKUP("GPIOF", 3, "charge-status", GPIO_ACTIVE_HIGH),
0214         { },
0215     },
0216 };
0217 
0218 static int rx1950_bat_init(void)
0219 {
0220     int ret;
0221 
0222     ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
0223     if (ret)
0224         goto err_gpio1;
0225     ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
0226     if (ret)
0227         goto err_gpio2;
0228 
0229     return 0;
0230 
0231 err_gpio2:
0232     gpio_free(S3C2410_GPJ(2));
0233 err_gpio1:
0234     return ret;
0235 }
0236 
0237 static void rx1950_bat_exit(void)
0238 {
0239     gpio_free(S3C2410_GPJ(2));
0240     gpio_free(S3C2410_GPJ(3));
0241 }
0242 
0243 static void rx1950_enable_charger(void)
0244 {
0245     gpio_direction_output(S3C2410_GPJ(2), 1);
0246     gpio_direction_output(S3C2410_GPJ(3), 1);
0247 }
0248 
0249 static void rx1950_disable_charger(void)
0250 {
0251     gpio_direction_output(S3C2410_GPJ(2), 0);
0252     gpio_direction_output(S3C2410_GPJ(3), 0);
0253 }
0254 
0255 static DEFINE_SPINLOCK(rx1950_blink_spin);
0256 
0257 static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
0258     unsigned long *delay_on, unsigned long *delay_off)
0259 {
0260     int gpio = desc_to_gpio(desc);
0261     int blink_gpio, check_gpio;
0262 
0263     switch (gpio) {
0264     case S3C2410_GPA(6):
0265         blink_gpio = S3C2410_GPA(4);
0266         check_gpio = S3C2410_GPA(3);
0267         break;
0268     case S3C2410_GPA(7):
0269         blink_gpio = S3C2410_GPA(3);
0270         check_gpio = S3C2410_GPA(4);
0271         break;
0272     default:
0273         return -EINVAL;
0274     }
0275 
0276     if (delay_on && delay_off && !*delay_on && !*delay_off)
0277         *delay_on = *delay_off = 500;
0278 
0279     spin_lock(&rx1950_blink_spin);
0280 
0281     switch (state) {
0282     case GPIO_LED_NO_BLINK_LOW:
0283     case GPIO_LED_NO_BLINK_HIGH:
0284         if (!gpio_get_value(check_gpio))
0285             gpio_set_value(S3C2410_GPJ(6), 0);
0286         gpio_set_value(blink_gpio, 0);
0287         gpio_set_value(gpio, state);
0288         break;
0289     case GPIO_LED_BLINK:
0290         gpio_set_value(gpio, 0);
0291         gpio_set_value(S3C2410_GPJ(6), 1);
0292         gpio_set_value(blink_gpio, 1);
0293         break;
0294     }
0295 
0296     spin_unlock(&rx1950_blink_spin);
0297 
0298     return 0;
0299 }
0300 
0301 static struct gpio_led rx1950_leds_desc[] = {
0302     {
0303         .name           = "Green",
0304         .default_trigger    = "main-battery-full",
0305         .gpio           = S3C2410_GPA(6),
0306         .retain_state_suspended = 1,
0307     },
0308     {
0309         .name           = "Red",
0310         .default_trigger
0311             = "main-battery-charging-blink-full-solid",
0312         .gpio           = S3C2410_GPA(7),
0313         .retain_state_suspended = 1,
0314     },
0315     {
0316         .name           = "Blue",
0317         .default_trigger    = "rx1950-acx-mem",
0318         .gpio           = S3C2410_GPA(11),
0319         .retain_state_suspended = 1,
0320     },
0321 };
0322 
0323 static struct gpio_led_platform_data rx1950_leds_pdata = {
0324     .num_leds   = ARRAY_SIZE(rx1950_leds_desc),
0325     .leds       = rx1950_leds_desc,
0326     .gpio_blink_set = rx1950_led_blink_set,
0327 };
0328 
0329 static struct platform_device rx1950_leds = {
0330     .name   = "leds-gpio",
0331     .id     = -1,
0332     .dev    = {
0333                 .platform_data = &rx1950_leds_pdata,
0334     },
0335 };
0336 
0337 static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
0338     .init = rx1950_bat_init,
0339     .exit = rx1950_bat_exit,
0340     .enable_charger = rx1950_enable_charger,
0341     .disable_charger = rx1950_disable_charger,
0342     .lut_noac = bat_lut_noac,
0343     .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
0344     .lut_acin = bat_lut_acin,
0345     .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
0346     .volt_channel = 0,
0347     .current_channel = 1,
0348     .volt_mult = 4235,
0349     .current_mult = 2900,
0350     .internal_impedance = 200,
0351 };
0352 
0353 static struct platform_device rx1950_battery = {
0354     .name             = "s3c-adc-battery",
0355     .id               = -1,
0356     .dev = {
0357         .parent = &s3c_device_adc.dev,
0358         .platform_data = &rx1950_bat_cfg,
0359     },
0360 };
0361 
0362 static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
0363     .displays = &rx1950_display,
0364     .num_displays = 1,
0365     .default_display = 0,
0366 
0367     .lpcsel = 0x02,
0368     .gpccon = 0xaa9556a9,
0369     .gpccon_mask = 0xffc003fc,
0370     .gpccon_reg = S3C2410_GPCCON,
0371     .gpcup = 0x0000ffff,
0372     .gpcup_mask = 0xffffffff,
0373     .gpcup_reg = S3C2410_GPCUP,
0374 
0375     .gpdcon = 0xaa90aaa1,
0376     .gpdcon_mask = 0xffc0fff0,
0377     .gpdcon_reg = S3C2410_GPDCON,
0378     .gpdup = 0x0000fcfd,
0379     .gpdup_mask = 0xffffffff,
0380     .gpdup_reg = S3C2410_GPDUP,
0381 };
0382 
0383 static struct pwm_lookup rx1950_pwm_lookup[] = {
0384     PWM_LOOKUP("samsung-pwm", 0, "pwm-backlight.0", NULL, 48000,
0385            PWM_POLARITY_NORMAL),
0386     PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", "RX1950 LCD", LCD_PWM_PERIOD,
0387            PWM_POLARITY_NORMAL),
0388 };
0389 
0390 static struct pwm_device *lcd_pwm;
0391 static struct pwm_state lcd_pwm_state;
0392 
0393 static void rx1950_lcd_power(int enable)
0394 {
0395     int i;
0396     static int enabled;
0397     if (enabled == enable)
0398         return;
0399     if (!enable) {
0400 
0401         /* GPC11-GPC15->OUTPUT */
0402         for (i = 11; i < 16; i++)
0403             gpio_direction_output(S3C2410_GPC(i), 1);
0404 
0405         /* Wait a bit here... */
0406         mdelay(100);
0407 
0408         /* GPD2-GPD7->OUTPUT */
0409         /* GPD11-GPD15->OUTPUT */
0410         /* GPD2-GPD7->1, GPD11-GPD15->1 */
0411         for (i = 2; i < 8; i++)
0412             gpio_direction_output(S3C2410_GPD(i), 1);
0413         for (i = 11; i < 16; i++)
0414             gpio_direction_output(S3C2410_GPD(i), 1);
0415 
0416         /* Wait a bit here...*/
0417         mdelay(100);
0418 
0419         /* GPB0->OUTPUT, GPB0->0 */
0420         gpio_direction_output(S3C2410_GPB(0), 0);
0421 
0422         /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
0423         for (i = 1; i < 5; i++)
0424             gpio_direction_output(S3C2410_GPC(i), 0);
0425 
0426         /* GPC15-GPC11->0 */
0427         for (i = 11; i < 16; i++)
0428             gpio_direction_output(S3C2410_GPC(i), 0);
0429 
0430         /* GPD15-GPD11->0, GPD2->GPD7->0 */
0431         for (i = 11; i < 16; i++)
0432             gpio_direction_output(S3C2410_GPD(i), 0);
0433 
0434         for (i = 2; i < 8; i++)
0435             gpio_direction_output(S3C2410_GPD(i), 0);
0436 
0437         /* GPC6->0, GPC7->0, GPC5->0 */
0438         gpio_direction_output(S3C2410_GPC(6), 0);
0439         gpio_direction_output(S3C2410_GPC(7), 0);
0440         gpio_direction_output(S3C2410_GPC(5), 0);
0441 
0442         /* GPB1->OUTPUT, GPB1->0 */
0443         gpio_direction_output(S3C2410_GPB(1), 0);
0444 
0445         lcd_pwm_state.enabled = false;
0446         pwm_apply_state(lcd_pwm, &lcd_pwm_state);
0447 
0448         /* GPC0->0, GPC10->0 */
0449         gpio_direction_output(S3C2410_GPC(0), 0);
0450         gpio_direction_output(S3C2410_GPC(10), 0);
0451     } else {
0452         lcd_pwm_state.enabled = true;
0453         pwm_apply_state(lcd_pwm, &lcd_pwm_state);
0454 
0455         gpio_direction_output(S3C2410_GPC(0), 1);
0456         gpio_direction_output(S3C2410_GPC(5), 1);
0457 
0458         s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
0459         gpio_direction_output(S3C2410_GPC(7), 1);
0460 
0461         for (i = 1; i < 5; i++)
0462             s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
0463 
0464         for (i = 11; i < 16; i++)
0465             s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
0466 
0467         for (i = 2; i < 8; i++)
0468             s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
0469 
0470         for (i = 11; i < 16; i++)
0471             s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
0472 
0473         gpio_direction_output(S3C2410_GPC(10), 1);
0474         gpio_direction_output(S3C2410_GPC(6), 1);
0475     }
0476     enabled = enable;
0477 }
0478 
0479 static void rx1950_bl_power(int enable)
0480 {
0481     static int enabled;
0482     if (enabled == enable)
0483         return;
0484     if (!enable) {
0485             gpio_direction_output(S3C2410_GPB(0), 0);
0486     } else {
0487             /* LED driver need a "push" to power on */
0488             gpio_direction_output(S3C2410_GPB(0), 1);
0489             /* Warm up backlight for one period of PWM.
0490              * Without this trick its almost impossible to
0491              * enable backlight with low brightness value
0492              */
0493             ndelay(48000);
0494             s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
0495     }
0496     enabled = enable;
0497 }
0498 
0499 static int rx1950_backlight_init(struct device *dev)
0500 {
0501     WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
0502     lcd_pwm = pwm_get(dev, "RX1950 LCD");
0503     if (IS_ERR(lcd_pwm)) {
0504         dev_err(dev, "Unable to request PWM for LCD power!\n");
0505         return PTR_ERR(lcd_pwm);
0506     }
0507 
0508     /*
0509      * Call pwm_init_state to initialize .polarity and .period. The other
0510      * values are fixed in this driver.
0511      */
0512     pwm_init_state(lcd_pwm, &lcd_pwm_state);
0513 
0514     lcd_pwm_state.duty_cycle = LCD_PWM_DUTY;
0515 
0516     rx1950_lcd_power(1);
0517     rx1950_bl_power(1);
0518 
0519     return 0;
0520 }
0521 
0522 static void rx1950_backlight_exit(struct device *dev)
0523 {
0524     rx1950_bl_power(0);
0525     rx1950_lcd_power(0);
0526 
0527     pwm_put(lcd_pwm);
0528     gpio_free(S3C2410_GPB(0));
0529 }
0530 
0531 
0532 static int rx1950_backlight_notify(struct device *dev, int brightness)
0533 {
0534     if (!brightness) {
0535         rx1950_bl_power(0);
0536         rx1950_lcd_power(0);
0537     } else {
0538         rx1950_lcd_power(1);
0539         rx1950_bl_power(1);
0540     }
0541     return brightness;
0542 }
0543 
0544 static struct platform_pwm_backlight_data rx1950_backlight_data = {
0545     .max_brightness = 24,
0546     .dft_brightness = 4,
0547     .init = rx1950_backlight_init,
0548     .notify = rx1950_backlight_notify,
0549     .exit = rx1950_backlight_exit,
0550 };
0551 
0552 static struct platform_device rx1950_backlight = {
0553     .name = "pwm-backlight",
0554     .dev = {
0555         .parent = &samsung_device_pwm.dev,
0556         .platform_data = &rx1950_backlight_data,
0557     },
0558 };
0559 
0560 static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
0561 {
0562     s3c24xx_mci_def_set_power(power_mode, vdd);
0563 
0564     switch (power_mode) {
0565     case MMC_POWER_OFF:
0566         gpio_direction_output(S3C2410_GPJ(1), 0);
0567         break;
0568     case MMC_POWER_UP:
0569     case MMC_POWER_ON:
0570         gpio_direction_output(S3C2410_GPJ(1), 1);
0571         break;
0572     default:
0573         break;
0574     }
0575 }
0576 
0577 static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
0578     .set_power = rx1950_set_mmc_power,
0579     .ocr_avail = MMC_VDD_32_33,
0580 };
0581 
0582 static struct gpiod_lookup_table rx1950_mmc_gpio_table = {
0583     .dev_id = "s3c2410-sdi",
0584     .table = {
0585         /* Card detect S3C2410_GPF(5) */
0586         GPIO_LOOKUP("GPIOF", 5, "cd", GPIO_ACTIVE_LOW),
0587         /* Write protect S3C2410_GPH(8) */
0588         GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_LOW),
0589         /* bus pins */
0590         GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
0591         GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
0592         GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
0593         GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
0594         GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
0595         GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
0596         { },
0597     },
0598 };
0599 
0600 static struct mtd_partition rx1950_nand_part[] = {
0601     [0] = {
0602             .name = "Boot0",
0603             .offset = 0,
0604             .size = 0x4000,
0605             .mask_flags = MTD_WRITEABLE,
0606     },
0607     [1] = {
0608             .name = "Boot1",
0609             .offset = MTDPART_OFS_APPEND,
0610             .size = 0x40000,
0611             .mask_flags = MTD_WRITEABLE,
0612     },
0613     [2] = {
0614             .name = "Kernel",
0615             .offset = MTDPART_OFS_APPEND,
0616             .size = 0x300000,
0617             .mask_flags = 0,
0618     },
0619     [3] = {
0620             .name = "Filesystem",
0621             .offset = MTDPART_OFS_APPEND,
0622             .size = MTDPART_SIZ_FULL,
0623             .mask_flags = 0,
0624     },
0625 };
0626 
0627 static struct s3c2410_nand_set rx1950_nand_sets[] = {
0628     [0] = {
0629             .name = "Internal",
0630             .nr_chips = 1,
0631             .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
0632             .partitions = rx1950_nand_part,
0633     },
0634 };
0635 
0636 static struct s3c2410_platform_nand rx1950_nand_info = {
0637     .tacls = 25,
0638     .twrph0 = 50,
0639     .twrph1 = 15,
0640     .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
0641     .sets = rx1950_nand_sets,
0642     .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
0643 };
0644 
0645 static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
0646     .vbus_pin = S3C2410_GPG(5),
0647     .vbus_pin_inverted = 1,
0648     .pullup_pin = S3C2410_GPJ(5),
0649 };
0650 
0651 static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
0652     .delay = 10000,
0653     .presc = 49,
0654     .oversampling_shift = 3,
0655 };
0656 
0657 static struct gpio_keys_button rx1950_gpio_keys_table[] = {
0658     {
0659         .code       = KEY_POWER,
0660         .gpio       = S3C2410_GPF(0),
0661         .active_low = 1,
0662         .desc       = "Power button",
0663         .wakeup     = 1,
0664     },
0665     {
0666         .code       = KEY_F5,
0667         .gpio       = S3C2410_GPF(7),
0668         .active_low = 1,
0669         .desc       = "Record button",
0670     },
0671     {
0672         .code       = KEY_F1,
0673         .gpio       = S3C2410_GPG(0),
0674         .active_low = 1,
0675         .desc       = "Calendar button",
0676     },
0677     {
0678         .code       = KEY_F2,
0679         .gpio       = S3C2410_GPG(2),
0680         .active_low = 1,
0681         .desc       = "Contacts button",
0682     },
0683     {
0684         .code       = KEY_F3,
0685         .gpio       = S3C2410_GPG(3),
0686         .active_low = 1,
0687         .desc       = "Mail button",
0688     },
0689     {
0690         .code       = KEY_F4,
0691         .gpio       = S3C2410_GPG(7),
0692         .active_low = 1,
0693         .desc       = "WLAN button",
0694     },
0695     {
0696         .code       = KEY_LEFT,
0697         .gpio       = S3C2410_GPG(10),
0698         .active_low = 1,
0699         .desc       = "Left button",
0700     },
0701     {
0702         .code       = KEY_RIGHT,
0703         .gpio       = S3C2410_GPG(11),
0704         .active_low = 1,
0705         .desc       = "Right button",
0706     },
0707     {
0708         .code       = KEY_UP,
0709         .gpio       = S3C2410_GPG(4),
0710         .active_low = 1,
0711         .desc       = "Up button",
0712     },
0713     {
0714         .code       = KEY_DOWN,
0715         .gpio       = S3C2410_GPG(6),
0716         .active_low = 1,
0717         .desc       = "Down button",
0718     },
0719     {
0720         .code       = KEY_ENTER,
0721         .gpio       = S3C2410_GPG(9),
0722         .active_low = 1,
0723         .desc       = "Ok button"
0724     },
0725 };
0726 
0727 static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
0728     .buttons = rx1950_gpio_keys_table,
0729     .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
0730 };
0731 
0732 static struct platform_device rx1950_device_gpiokeys = {
0733     .name = "gpio-keys",
0734     .dev.platform_data = &rx1950_gpio_keys_data,
0735 };
0736 
0737 static struct uda1380_platform_data uda1380_info = {
0738     .gpio_power = S3C2410_GPJ(0),
0739     .gpio_reset = S3C2410_GPD(0),
0740     .dac_clk    = UDA1380_DAC_CLK_SYSCLK,
0741 };
0742 
0743 static struct i2c_board_info rx1950_i2c_devices[] = {
0744     {
0745         I2C_BOARD_INFO("uda1380", 0x1a),
0746         .platform_data = &uda1380_info,
0747     },
0748 };
0749 
0750 static struct gpiod_lookup_table rx1950_audio_gpio_table = {
0751     .dev_id = "rx1950-audio",
0752     .table = {
0753         GPIO_LOOKUP("GPIOG", 12, "hp-gpio", GPIO_ACTIVE_HIGH),
0754         GPIO_LOOKUP("GPIOA", 1, "speaker-power", GPIO_ACTIVE_HIGH),
0755         { },
0756     },
0757 };
0758 
0759 static struct platform_device rx1950_audio = {
0760     .name = "rx1950-audio",
0761     .id = -1,
0762 };
0763 
0764 static struct platform_device *rx1950_devices[] __initdata = {
0765     &s3c2410_device_dclk,
0766     &s3c_device_lcd,
0767     &s3c_device_wdt,
0768     &s3c_device_i2c0,
0769     &s3c_device_iis,
0770     &s3c_device_usbgadget,
0771     &s3c_device_rtc,
0772     &s3c_device_nand,
0773     &s3c_device_sdi,
0774     &s3c_device_adc,
0775     &s3c_device_ts,
0776     &samsung_device_pwm,
0777     &rx1950_backlight,
0778     &rx1950_device_gpiokeys,
0779     &power_supply,
0780     &rx1950_battery,
0781     &rx1950_leds,
0782     &rx1950_audio,
0783 };
0784 
0785 static void __init rx1950_map_io(void)
0786 {
0787     s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
0788     s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
0789     s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
0790 
0791     /* setup PM */
0792 
0793 #ifdef CONFIG_PM_H1940
0794     memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
0795 #endif
0796 
0797     s3c_pm_init();
0798 }
0799 
0800 static void __init rx1950_init_time(void)
0801 {
0802     s3c2442_init_clocks(16934000);
0803     s3c24xx_timer_init();
0804 }
0805 
0806 static void __init rx1950_init_machine(void)
0807 {
0808     int i;
0809 
0810     s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
0811     s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
0812     s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
0813     gpiod_add_lookup_table(&rx1950_mmc_gpio_table);
0814     s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
0815     s3c_i2c0_set_platdata(NULL);
0816     s3c_nand_set_platdata(&rx1950_nand_info);
0817 
0818     /* Turn off suspend on both USB ports, and switch the
0819      * selectable USB port to USB device mode. */
0820     s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
0821                         S3C2410_MISCCR_USBSUSPND0 |
0822                         S3C2410_MISCCR_USBSUSPND1, 0x0);
0823 
0824     /* mmc power is disabled by default */
0825     WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
0826     gpio_direction_output(S3C2410_GPJ(1), 0);
0827 
0828     for (i = 0; i < 8; i++)
0829         WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
0830 
0831     for (i = 10; i < 16; i++)
0832         WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
0833 
0834     for (i = 2; i < 8; i++)
0835         WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
0836 
0837     for (i = 11; i < 16; i++)
0838         WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
0839 
0840     WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
0841 
0842     WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
0843     WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
0844     WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
0845     gpio_direction_output(S3C2410_GPA(3), 0);
0846     gpio_direction_output(S3C2410_GPA(4), 0);
0847     gpio_direction_output(S3C2410_GPJ(6), 0);
0848 
0849     pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup));
0850     gpiod_add_lookup_table(&rx1950_audio_gpio_table);
0851     gpiod_add_lookup_table(&rx1950_bat_gpio_table);
0852     /* Configure the I2S pins (GPE0...GPE4) in correct mode */
0853     s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
0854                   S3C_GPIO_PULL_NONE);
0855     platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
0856 
0857     i2c_register_board_info(0, rx1950_i2c_devices,
0858         ARRAY_SIZE(rx1950_i2c_devices));
0859 }
0860 
0861 /* H1940 and RX3715 need to reserve this for suspend */
0862 static void __init rx1950_reserve(void)
0863 {
0864     memblock_reserve(0x30003000, 0x1000);
0865     memblock_reserve(0x30081000, 0x1000);
0866 }
0867 
0868 MACHINE_START(RX1950, "HP iPAQ RX1950")
0869     /* Maintainers: Vasily Khoruzhick */
0870     .atag_offset = 0x100,
0871     .nr_irqs    = NR_IRQS_S3C2442,
0872     .map_io = rx1950_map_io,
0873     .reserve    = rx1950_reserve,
0874     .init_irq   = s3c2442_init_irq,
0875     .init_machine = rx1950_init_machine,
0876     .init_time  = rx1950_init_time,
0877 MACHINE_END
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