src/patches/kernel/omap/beagle/expansion/0009-Beagle-expansion-add-Aptina-li5m03-camera.patch

   1 From cc6ced0a1cbaea65a507ec3fe543a5b98d760d23 Mon Sep 17 00:00:00 2001
   2 From: Robert Nelson <robertcnelson@gmail.com>
   3 Date: Tue, 11 Dec 2012 06:58:15 -0600
   4 Subject: [PATCH 09/10] Beagle: expansion: add Aptina li5m03 camera
   5
   6 Based on:
   7 https://github.com/Aptina/BeagleBoard-xM/blob/master/tools/0266-Adding-MT9P031-Support-files.patch
   8
   9 And on Max Galemin's patch
  10 https://github.com/MaxGalemin/buildroot/blob/master/board/beagleboard/xm/kernel-patches/linux-0003-Add-support-for-MT9P031-Aptina-image-sensor-driver.patch
  11
  12 And Koen Kooi Previous work's
  13 https://github.com/beagleboard/kernel/blob/beagleboard-3.2/patches/camera/0003-beagleboard-fix-i2c2-init.patch
  14
  15 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
  16 ---
  17  arch/arm/mach-omap2/board-omap3beagle.c |  142 +++++++++++++++++++++++++++++++
  18  1 file changed, 142 insertions(+)
  19
  20 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  21 index 3e0313ee..4fb5eae 100644
  22 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  23 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  24 @@ -201,6 +201,7 @@ static void __init omap3_beagle_init_rev(void)
  25
  26  char expansionboard_name[16];
  27  char expansionboard2_name[16];
  28 +char camera_name[16];
  29
  30  enum {
  31         EXPANSION_MMC_NONE = 0,
  32 @@ -555,6 +556,14 @@ static struct regulator_consumer_supply beagle_vsim_supply[] = {
  33         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
  34  };
  35
  36 +static struct regulator_consumer_supply beagle_vaux3_supply = {
  37 +       .supply         = "cam_1v8",
  38 +};
  39 +
  40 +static struct regulator_consumer_supply beagle_vaux4_supply = {
  41 +       .supply         = "cam_2v8",
  42 +};
  43 +
  44  static struct gpio_led gpio_leds[];
  45
  46  /* PHY's VCC regulator might be added later, so flag that we need it */
  47 @@ -677,11 +686,43 @@ static struct regulator_init_data beagle_vsim = {
  48         .consumer_supplies      = beagle_vsim_supply,
  49  };
  50
  51 +/* VAUX3 for CAM_1V8 */
  52 +static struct regulator_init_data beagle_vaux3 = {
  53 +       .constraints = {
  54 +               .min_uV                 = 1800000,
  55 +               .max_uV                 = 1800000,
  56 +               .apply_uV               = true,
  57 +               .valid_modes_mask       = REGULATOR_MODE_NORMAL
  58 +                                       | REGULATOR_MODE_STANDBY,
  59 +               .valid_ops_mask         = REGULATOR_CHANGE_MODE
  60 +                                       | REGULATOR_CHANGE_STATUS,
  61 +       },
  62 +       .num_consumer_supplies  = 1,
  63 +       .consumer_supplies      = &beagle_vaux3_supply,
  64 +};
  65 +
  66 +/* VAUX4 for CAM_2V8 */
  67 +static struct regulator_init_data beagle_vaux4 = {
  68 +       .constraints = {
  69 +               .min_uV                 = 1800000,
  70 +               .max_uV                 = 1800000,
  71 +               .apply_uV               = true,
  72 +               .valid_modes_mask       = REGULATOR_MODE_NORMAL
  73 +                                       | REGULATOR_MODE_STANDBY,
  74 +               .valid_ops_mask         = REGULATOR_CHANGE_MODE
  75 +                                       | REGULATOR_CHANGE_STATUS,
  76 +       },
  77 +       .num_consumer_supplies  = 1,
  78 +       .consumer_supplies      = &beagle_vaux4_supply,
  79 +};
  80 +
  81  static struct twl4030_platform_data beagle_twldata = {
  82         /* platform_data for children goes here */
  83         .gpio           = &beagle_gpio_data,
  84         .vmmc1          = &beagle_vmmc1,
  85         .vsim           = &beagle_vsim,
  86 +       .vaux3          = &beagle_vaux3,
  87 +       .vaux4          = &beagle_vaux4,
  88  };
  89
  90  static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
  91 @@ -745,6 +786,61 @@ static void __init omap3beagle_tsc2007_init(void)
  92  static struct i2c_board_info __initdata beagle_i2c2_bbtoys_ulcd[] = {};
  93  #endif
  94
  95 +#if IS_ENABLED(CONFIG_VIDEO_MT9P031)
  96 +/* needed for: omap3_beagle_late_initcall */
  97 +#include "devices.h"
  98 +#include <media/omap3isp.h>
  99 +#include <media/mt9p031.h>
 100 +/* needed for: v4l2_dev_to_isp_device */
 101 +#include "../../../drivers/media/platform/omap3isp/isp.h"
 102 +
 103 +#define MT9P031_RESET_GPIO     98
 104 +#define MT9P031_EXT_FREQ       21000000
 105 +#define MT9P031_TARGET_FREQ    48000000
 106 +
 107 +#define MT9P031_I2C_ADDR       0x48
 108 +#define MT9P031_I2C_BUS                2
 109 +
 110 +static struct regulator *reg_1v8, *reg_2v8;
 111 +
 112 +static struct mt9p031_platform_data beagle_mt9p031_platform_data = {
 113 +       .reset          = MT9P031_RESET_GPIO,
 114 +       .ext_freq       = MT9P031_EXT_FREQ,
 115 +       .target_freq    = MT9P031_TARGET_FREQ,
 116 +};
 117 +
 118 +static struct i2c_board_info mt9p031_camera_i2c_device = {
 119 +       I2C_BOARD_INFO("mt9p031", MT9P031_I2C_ADDR),
 120 +       .platform_data = &beagle_mt9p031_platform_data,
 121 +};
 122 +
 123 +static struct isp_subdev_i2c_board_info mt9p031_camera_subdevs[] = {
 124 +       {
 125 +               .board_info = &mt9p031_camera_i2c_device,
 126 +               .i2c_adapter_id = MT9P031_I2C_BUS,
 127 +       },
 128 +       { NULL, 0, },
 129 +};
 130 +
 131 +static struct isp_v4l2_subdevs_group beagle_camera_subdevs[] = {
 132 +       {
 133 +               .subdevs = mt9p031_camera_subdevs,
 134 +               .interface = ISP_INTERFACE_PARALLEL,
 135 +               .bus = {
 136 +                       .parallel = {
 137 +                               .data_lane_shift = 0,
 138 +                               .clk_pol = 1,
 139 +                       }
 140 +               },
 141 +       },
 142 +       { },
 143 +};
 144 +
 145 +static struct isp_platform_data beagle_isp_platform_data = {
 146 +       .subdevs = beagle_camera_subdevs,
 147 +};
 148 +#endif
 149 +
 150  static int __init omap3_beagle_i2c_init(void)
 151  {
 152         omap3_pmic_get_config(&beagle_twldata,
 153 @@ -869,6 +965,18 @@ static int __init expansionboard2_setup(char *str)
 154         return 0;
 155  }
 156
 157 +static int __init camera_setup(char *str)
 158 +{
 159 +       if (!machine_is_omap3_beagle())
 160 +               return 0;
 161 +
 162 +       if (!str)
 163 +               return -EINVAL;
 164 +       strncpy(camera_name, str, 16);
 165 +       pr_info("Beagle camera: %s\n", camera_name);
 166 +       return 0;
 167 +}
 168 +
 169  static int __init beagle_opp_init(void)
 170  {
 171         int r = 0;
 172 @@ -1155,8 +1263,42 @@ static void __init omap3_beagle_init(void)
 173         pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
 174  }
 175
 176 +static int __init omap3_beagle_late_initcall(void)
 177 +{
 178 +       if (!machine_is_omap3_beagle())
 179 +               return 0;
 180 +
 181 +       if (!cpu_is_omap3630())
 182 +               return 0;
 183 +
 184 +#if IS_ENABLED(CONFIG_VIDEO_MT9P031)
 185 +       if ((!strcmp(camera_name, "lbcm5m1")) || (!strcmp(camera_name, "li5m03")))
 186 +       {
 187 +               pr_info("Beagle camera: MT9P031 init\n");
 188 +
 189 +               reg_1v8 = regulator_get(NULL, "cam_1v8");
 190 +               if (IS_ERR(reg_1v8))
 191 +                       pr_err("%s: cannot get cam_1v8 regulator\n", __func__);
 192 +               else
 193 +                       regulator_enable(reg_1v8);
 194 +
 195 +               reg_2v8 = regulator_get(NULL, "cam_2v8");
 196 +               if (IS_ERR(reg_2v8))
 197 +                       pr_err("%s: cannot get cam_2v8 regulator\n", __func__);
 198 +               else
 199 +                       regulator_enable(reg_2v8);
 200 +
 201 +               omap3_init_camera(&beagle_isp_platform_data);
 202 +       }
 203 +#endif
 204 +       return 0;
 205 +}
 206 +
 207  early_param("buddy", expansionboard_setup);
 208  early_param("buddy2", expansionboard2_setup);
 209 +early_param("camera", camera_setup);
 210 +
 211 +late_initcall(omap3_beagle_late_initcall);
 212
 213  MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 214         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
 215 --
 216 1.7.10.4
 217