recipes-kernel/linux/linux-omap-2.6.39/camera/0003-Add-support-for-mt9p031-LI-5M03-module-in-Beagleboar.patch

   1 From 6cce194e3d1fbc5d746b192b4d1ff78aef6099cf Mon Sep 17 00:00:00 2001
   2 From: Javier Martin <javier.martin@vista-silicon.com>
   3 Date: Mon, 30 May 2011 10:37:17 +0200
   4 Subject: [PATCH 3/3] Add support for mt9p031 (LI-5M03 module) in Beagleboard xM.
   5
   6 Since isp clocks have not been exposed yet, this patch
   7 includes a temporal solution for testing mt9p031 driver
   8 in Beagleboard xM.
   9
  10 Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
  11 ---
  12  arch/arm/mach-omap2/Makefile                   |    1 +
  13  arch/arm/mach-omap2/board-omap3beagle-camera.c |   91 ++++++++++++++++++++++++
  14  arch/arm/mach-omap2/board-omap3beagle.c        |    5 ++
  15  3 files changed, 97 insertions(+), 0 deletions(-)
  16  create mode 100644 arch/arm/mach-omap2/board-omap3beagle-camera.c
  17
  18 diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
  19 index 512b152..05cd983 100644
  20 --- a/arch/arm/mach-omap2/Makefile
  21 +++ b/arch/arm/mach-omap2/Makefile
  22 @@ -179,6 +179,7 @@ obj-$(CONFIG_MACH_OMAP_2430SDP)             += board-2430sdp.o \
  23                                            hsmmc.o
  24  obj-$(CONFIG_MACH_OMAP_APOLLON)                += board-apollon.o
  25  obj-$(CONFIG_MACH_OMAP3_BEAGLE)                += board-omap3beagle.o \
  26 +                                          board-omap3beagle-camera.o \
  27                                            hsmmc.o
  28  obj-$(CONFIG_MACH_DEVKIT8000)          += board-devkit8000.o \
  29                                             hsmmc.o
  30 diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.c b/arch/arm/mach-omap2/board-omap3beagle-camera.c
  31 new file mode 100644
  32 index 0000000..8387951
  33 --- /dev/null
  34 +++ b/arch/arm/mach-omap2/board-omap3beagle-camera.c
  35 @@ -0,0 +1,91 @@
  36 +#include <linux/gpio.h>
  37 +#include <linux/regulator/machine.h>
  38 +
  39 +#include <plat/i2c.h>
  40 +
  41 +#include <media/mt9p031.h>
  42 +
  43 +#include "devices.h"
  44 +#include "../../../drivers/media/video/omap3isp/isp.h"
  45 +
  46 +#define MT9P031_RESET_GPIO     98
  47 +#define MT9P031_XCLK           ISP_XCLK_A
  48 +
  49 +static struct regulator *reg_1v8, *reg_2v8;
  50 +
  51 +static int beagle_cam_set_xclk(struct v4l2_subdev *subdev, int hz)
  52 +{
  53 +       struct isp_device *isp = v4l2_dev_to_isp_device(subdev->v4l2_dev);
  54 +       int ret;
  55 +
  56 +       ret = isp->platform_cb.set_xclk(isp, hz, MT9P031_XCLK);
  57 +       return 0;
  58 +}
  59 +
  60 +static int beagle_cam_reset(struct v4l2_subdev *subdev, int active)
  61 +{
  62 +       /* Set RESET_BAR to !active */
  63 +       gpio_set_value(MT9P031_RESET_GPIO, !active);
  64 +
  65 +       return 0;
  66 +}
  67 +
  68 +static struct mt9p031_platform_data beagle_mt9p031_platform_data = {
  69 +       .set_xclk               = beagle_cam_set_xclk,
  70 +       .reset                  = beagle_cam_reset,
  71 +};
  72 +
  73 +static struct i2c_board_info mt9p031_camera_i2c_device = {
  74 +       I2C_BOARD_INFO("mt9p031", 0x48),
  75 +       .platform_data = &beagle_mt9p031_platform_data,
  76 +};
  77 +
  78 +static struct isp_subdev_i2c_board_info mt9p031_camera_subdevs[] = {
  79 +       {
  80 +               .board_info = &mt9p031_camera_i2c_device,
  81 +               .i2c_adapter_id = 2,
  82 +       },
  83 +       { NULL, 0, },
  84 +};
  85 +
  86 +static struct isp_v4l2_subdevs_group beagle_camera_subdevs[] = {
  87 +       {
  88 +               .subdevs = mt9p031_camera_subdevs,
  89 +               .interface = ISP_INTERFACE_PARALLEL,
  90 +               .bus = {
  91 +                               .parallel = {
  92 +                                       .data_lane_shift = 0,
  93 +                                       .clk_pol = 1,
  94 +                                       .bridge = ISPCTRL_PAR_BRIDGE_DISABLE,
  95 +                               }
  96 +               },
  97 +       },
  98 +       { },
  99 +};
 100 +
 101 +static struct isp_platform_data beagle_isp_platform_data = {
 102 +       .subdevs = beagle_camera_subdevs,
 103 +};
 104 +
 105 +static int __init beagle_camera_init(void) {
 106 +       if(cpu_is_omap3630()){
 107 +               reg_1v8 = regulator_get(NULL, "cam_1v8");
 108 +               if (IS_ERR(reg_1v8))
 109 +                       pr_err("%s: cannot get cam_1v8 regulator\n", __func__);
 110 +               else
 111 +                       regulator_enable(reg_1v8);
 112 +
 113 +               reg_2v8 = regulator_get(NULL, "cam_2v8");
 114 +               if (IS_ERR(reg_2v8))
 115 +                       pr_err("%s: cannot get cam_2v8 regulator\n", __func__);
 116 +               else
 117 +                       regulator_enable(reg_2v8);
 118 +
 119 +               omap_register_i2c_bus(2, 100, NULL, 0);
 120 +               gpio_request(MT9P031_RESET_GPIO, "cam_rst");
 121 +               gpio_direction_output(MT9P031_RESET_GPIO, 0);
 122 +               omap3_init_camera(&beagle_isp_platform_data);
 123 +       }
 124 +       return 0;
 125 +}
 126 +late_initcall(beagle_camera_init);
 127 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
 128 index 221bfda..dd6e31f 100644
 129 --- a/arch/arm/mach-omap2/board-omap3beagle.c
 130 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
 131 @@ -25,12 +25,16 @@
 132  #include <linux/input.h>
 133  #include <linux/gpio_keys.h>
 134  #include <linux/opp.h>
 135 +#include <linux/i2c.h>
 136 +#include <linux/mm.h>
 137 +#include <linux/videodev2.h>
 138
 139  #include <linux/mtd/mtd.h>
 140  #include <linux/mtd/partitions.h>
 141  #include <linux/mtd/nand.h>
 142  #include <linux/mmc/host.h>
 143
 144 +#include <linux/gpio.h>
 145  #include <linux/regulator/machine.h>
 146  #include <linux/i2c/twl.h>
 147
 148 @@ -48,6 +52,7 @@
 149  #include <plat/nand.h>
 150  #include <plat/usb.h>
 151  #include <plat/omap_device.h>
 152 +#include <plat/i2c.h>
 153
 154  #include "mux.h"
 155  #include "hsmmc.h"
 156 --
 157 1.6.6.1
 158