target/linux/omap24xx/patches-3.1/310-n810-lcd.patch

   1 Index: linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0.c
   2 ===================================================================
   3 --- linux-3.1-rc4.orig/arch/arm/mach-omap2/board-n8x0.c 2011-10-29 20:49:08.122996341 +0200
   4 +++ linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0.c      2011-10-29 20:57:46.528713116 +0200
   5 @@ -23,6 +23,7 @@
   6  #include <linux/spi/spi.h>
   7  #include <linux/usb/musb.h>
   8  #include <sound/tlv320aic3x.h>
   9 +#include <linux/spi/tsc2005.h>
  10
  11  #include <asm/mach/arch.h>
  12  #include <asm/mach-types.h>
  13 @@ -43,6 +44,66 @@ static int slot1_cover_open;
  14  static int slot2_cover_open;
  15  static struct device *mmc_device;
  16
  17 +#define        RX51_TSC2005_RESET_GPIO 94
  18 +#define        RX51_TSC2005_IRQ_GPIO   106
  19 +
  20 +#ifdef CONFIG_TOUCHSCREEN_TSC2005
  21 +static struct tsc2005_platform_data tsc2005_config;
  22 +static void rx51_tsc2005_set_reset(bool enable)
  23 +{
  24 +       gpio_set_value(RX51_TSC2005_RESET_GPIO, enable);
  25 +}
  26 +
  27 +static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
  28 +       .turbo_mode     = 0,
  29 +       .single_channel = 1,
  30 +};
  31 +#endif
  32 +
  33 +static void __init tsc2005_set_config(void)
  34 +{
  35 +       const struct omap_lcd_config *conf;
  36 +
  37 +       conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
  38 +       if (conf != NULL) {
  39 +#ifdef CONFIG_TOUCHSCREEN_TSC2005
  40 +               if (strcmp(conf->panel_name, "lph8923") == 0) {
  41 +                       tsc2005_config.ts_x_plate_ohm = 180;
  42 +                       tsc2005_config.ts_pressure_max = 2048;
  43 +                       tsc2005_config.ts_pressure_fudge = 2;
  44 +                       tsc2005_config.ts_x_max = 4096;
  45 +                       tsc2005_config.ts_x_fudge = 4;
  46 +                       tsc2005_config.ts_y_max = 4096;
  47 +                       tsc2005_config.ts_y_fudge = 7;
  48 +                       tsc2005_config.set_reset = rx51_tsc2005_set_reset;
  49 +               } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
  50 +                       tsc2005_config.ts_x_plate_ohm = 280;
  51 +                       tsc2005_config.ts_pressure_max = 2048;
  52 +                       tsc2005_config.ts_pressure_fudge = 2;
  53 +                       tsc2005_config.ts_x_max = 4096;
  54 +                       tsc2005_config.ts_x_fudge = 4;
  55 +                       tsc2005_config.ts_y_max = 4096;
  56 +                       tsc2005_config.ts_y_fudge = 7;
  57 +                       tsc2005_config.set_reset = rx51_tsc2005_set_reset;
  58 +               } else {
  59 +                       printk(KERN_ERR "Unknown panel type, set default "
  60 +                              "touchscreen configuration\n");
  61 +                       tsc2005_config.ts_x_plate_ohm = 200;
  62 +               }
  63 +#endif
  64 +       }
  65 +}
  66 +
  67 +static struct omap2_mcspi_device_config mipid_mcspi_config = {
  68 +       .turbo_mode     = 0,
  69 +       .single_channel = 1,
  70 +};
  71 +
  72 +extern struct mipid_platform_data n8x0_mipid_platform_data;
  73 +
  74 +extern void n8x0_mipid_init(void);
  75 +extern void n8x0_blizzard_init(void);
  76 +
  77  #define TUSB6010_ASYNC_CS      1
  78  #define TUSB6010_SYNC_CS       4
  79  #define TUSB6010_GPIO_INT      58
  80 @@ -145,12 +206,29 @@ static struct omap2_mcspi_device_config
  81
  82  static struct spi_board_info n800_spi_board_info[] __initdata = {
  83         {
  84 +               .modalias       = "lcd_mipid",
  85 +               .bus_num        = 1,
  86 +               .chip_select    = 1,
  87 +               .max_speed_hz   = 4000000,
  88 +               .controller_data= &mipid_mcspi_config,
  89 +               .platform_data  = &n8x0_mipid_platform_data,
  90 +       },
  91 +       {
  92                 .modalias       = "p54spi",
  93                 .bus_num        = 2,
  94                 .chip_select    = 0,
  95                 .max_speed_hz   = 48000000,
  96                 .controller_data = &p54spi_mcspi_config,
  97         },
  98 +       {
  99 +               .modalias        = "tsc2005",
 100 +               .bus_num         = 1,
 101 +               .chip_select     = 0,
 102 +               .irq             = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),
 103 +               .max_speed_hz    = 6000000,
 104 +               .controller_data = &tsc2005_mcspi_config,
 105 +               .platform_data   = &tsc2005_config,
 106 +       },
 107  };
 108
 109  #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
 110 @@ -793,6 +871,7 @@ static void __init n8x0_init_machine(voi
 111         n8x0_cbus_init();
 112
 113         /* FIXME: add n810 spi devices */
 114 +       tsc2005_set_config();
 115         spi_register_board_info(n800_spi_board_info,
 116                                 ARRAY_SIZE(n800_spi_board_info));
 117         omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
 118 @@ -802,6 +881,8 @@ static void __init n8x0_init_machine(voi
 119                 i2c_register_board_info(2, n810_i2c_board_info_2,
 120                                         ARRAY_SIZE(n810_i2c_board_info_2));
 121         board_serial_init();
 122 +       n8x0_mipid_init();
 123 +       n8x0_blizzard_init();
 124         gpmc_onenand_init(board_onenand_data);
 125         n8x0_mmc_init();
 126         n8x0_usb_init();
 127 Index: linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0-lcd.c
 128 ===================================================================
 129 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 130 +++ linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0-lcd.c  2011-10-29 20:58:54.648257704 +0200
 131 @@ -0,0 +1,140 @@
 132 +/*
 133 + * linux/arch/arm/mach-omap2/board-n8x0.c
 134 + *
 135 + * Copyright (C) 2005-2009 Nokia Corporation
 136 + * Author: Juha Yrjola <juha.yrjola@nokia.com>
 137 + *
 138 + * Modified from mach-omap2/board-generic.c
 139 + *
 140 + * This program is free software; you can redistribute it and/or modify
 141 + * it under the terms of the GNU General Public License version 2 as
 142 + * published by the Free Software Foundation.
 143 + */
 144 +
 145 +#include <linux/clk.h>
 146 +#include <linux/delay.h>
 147 +#include <linux/gpio.h>
 148 +#include <linux/omapfb.h>
 149 +
 150 +#include <plat/lcd_mipid.h>
 151 +#include <plat/blizzard.h>
 152 +
 153 +
 154 +#define N8X0_BLIZZARD_POWERDOWN_GPIO   15
 155 +
 156 +// MIPID LCD Panel
 157 +
 158 +static void mipid_shutdown(struct mipid_platform_data *pdata)
 159 +{
 160 +       if (pdata->nreset_gpio != -1) {
 161 +               pr_info("shutdown LCD\n");
 162 +               gpio_set_value(pdata->nreset_gpio, 0);
 163 +               msleep(120);
 164 +       }
 165 +}
 166 +
 167 +struct mipid_platform_data n8x0_mipid_platform_data = {
 168 +       .shutdown = mipid_shutdown,
 169 +};
 170 +
 171 +void __init n8x0_mipid_init(void)
 172 +{
 173 +       const struct omap_lcd_config *conf;
 174 +       int err;
 175 +
 176 +       conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
 177 +       if (conf != NULL) {
 178 +               n8x0_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
 179 +               n8x0_mipid_platform_data.data_lines = conf->data_lines;
 180 +               if (conf->nreset_gpio != -1) {
 181 +                       err = gpio_request(conf->nreset_gpio, "MIPID nreset");
 182 +                       if (err) {
 183 +                               printk(KERN_ERR "N8x0 MIPID failed to request nreset GPIO %d\n",
 184 +                                      conf->nreset_gpio);
 185 +                       } else {
 186 +                               err = gpio_direction_output(conf->nreset_gpio, 1);
 187 +                               if (err) {
 188 +                                       printk(KERN_ERR "N8x0 MIPID failed to set nreset GPIO %d\n",
 189 +                                              conf->nreset_gpio);
 190 +                               }
 191 +                       }
 192 +               }
 193 +               printk(KERN_INFO "N8x0 MIPID config loaded");
 194 +       }
 195 +       else
 196 +               printk(KERN_INFO "N8x0 MIPID config not provided");
 197 +}
 198 +
 199 +
 200 +// Epson Blizzard LCD Controller
 201 +
 202 +static struct {
 203 +       struct clk *sys_ck;
 204 +} blizzard;
 205 +
 206 +static int blizzard_get_clocks(void)
 207 +{
 208 +       blizzard.sys_ck = clk_get(0, "osc_ck");
 209 +       if (IS_ERR(blizzard.sys_ck)) {
 210 +               printk(KERN_ERR "can't get Blizzard clock\n");
 211 +               return PTR_ERR(blizzard.sys_ck);
 212 +       }
 213 +       return 0;
 214 +}
 215 +
 216 +static unsigned long blizzard_get_clock_rate(struct device *dev)
 217 +{
 218 +       return clk_get_rate(blizzard.sys_ck);
 219 +}
 220 +
 221 +static void blizzard_enable_clocks(int enable)
 222 +{
 223 +       if (enable)
 224 +               clk_enable(blizzard.sys_ck);
 225 +       else
 226 +               clk_disable(blizzard.sys_ck);
 227 +}
 228 +
 229 +static void blizzard_power_up(struct device *dev)
 230 +{
 231 +       /* Vcore to 1.475V */
 232 +//FIXME        tahvo_set_clear_reg_bits(0x07, 0, 0xf);
 233 +       msleep(10);
 234 +
 235 +       blizzard_enable_clocks(1);
 236 +       gpio_set_value(N8X0_BLIZZARD_POWERDOWN_GPIO, 1);
 237 +}
 238 +
 239 +static void blizzard_power_down(struct device *dev)
 240 +{
 241 +       gpio_set_value(N8X0_BLIZZARD_POWERDOWN_GPIO, 0);
 242 +       blizzard_enable_clocks(0);
 243 +
 244 +       /* Vcore to 1.005V */
 245 +//FIXME        tahvo_set_clear_reg_bits(0x07, 0xf, 0);
 246 +}
 247 +
 248 +static struct blizzard_platform_data n8x0_blizzard_data = {
 249 +       .power_up       = blizzard_power_up,
 250 +       .power_down     = blizzard_power_down,
 251 +       .get_clock_rate = blizzard_get_clock_rate,
 252 +       .te_connected   = 1,
 253 +};
 254 +
 255 +void __init n8x0_blizzard_init(void)
 256 +{
 257 +       int r;
 258 +
 259 +       r = gpio_request(N8X0_BLIZZARD_POWERDOWN_GPIO, "Blizzard pd");
 260 +       if (r < 0)
 261 +       {
 262 +               printk(KERN_ERR "Can't get N8x0 Blizzard powerdown GPIO %d\n", N8X0_BLIZZARD_POWERDOWN_GPIO);
 263 +               return;
 264 +       }
 265 +       gpio_direction_output(N8X0_BLIZZARD_POWERDOWN_GPIO, 1);
 266 +
 267 +       blizzard_get_clocks();
 268 +       omapfb_set_ctrl_platform_data(&n8x0_blizzard_data);
 269 +
 270 +       printk(KERN_INFO "N8x0 Blizzard initialized");
 271 +}
 272 Index: linux-3.1-rc4/arch/arm/mach-omap2/Makefile
 273 ===================================================================
 274 --- linux-3.1-rc4.orig/arch/arm/mach-omap2/Makefile     2011-10-29 20:47:55.923162509 +0200
 275 +++ linux-3.1-rc4/arch/arm/mach-omap2/Makefile  2011-10-29 20:49:08.130996323 +0200
 276 @@ -209,6 +209,7 @@ obj-$(CONFIG_MACH_OMAP_3430SDP)             += boar
 277                                            hsmmc.o \
 278                                            board-flash.o
 279  obj-$(CONFIG_MACH_NOKIA_N8X0)          += board-n8x0.o
 280 +obj-$(CONFIG_MACH_NOKIA_N8X0)          += board-n8x0-lcd.o
 281  obj-$(CONFIG_MACH_NOKIA_RM680)         += board-rm680.o \
 282                                            sdram-nokia.o \
 283                                            hsmmc.o
 284 Index: linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2420_data.c
 285 ===================================================================
 286 --- linux-3.1-rc4.orig/arch/arm/mach-omap2/omap_hwmod_2420_data.c       2011-10-29 20:47:55.903162555 +0200
 287 +++ linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2420_data.c    2011-10-29 20:49:08.130996323 +0200
 288 @@ -1181,6 +1181,7 @@ static struct omap_hwmod_ocp_if *omap242
 289
 290  static struct omap_hwmod omap2420_gpio1_hwmod = {
 291         .name           = "gpio1",
 292 +       .flags          = HWMOD_INIT_NO_RESET, /* Workaround: Don't reset the n810 MIPID */
 293         .flags          = HWMOD_CONTROL_OPT_CLKS_IN_RESET,
 294         .mpu_irqs       = omap2_gpio1_irqs,
 295         .main_clk       = "gpios_fck",