linux-omap-pm git: add patch for fix musb oops and dss2 patches

1 files changed, 778 insertions, 0 deletions

diff --git a/recipes/linux/linux-omap-pm/dss2/0008-DSS2-Add-acx565akm-panel.patch b/recipes/linux/linux-omap-pm/dss2/0008-DSS2-Add-acx565akm-panel.patch
new file mode 100644
index 0000000000..042a792029
--- /dev/null
+++ b/recipes/linux/linux-omap-pm/dss2/0008-DSS2-Add-acx565akm-panel.patch
@@ -0,0 +1,778 @@
+From 7591138400ae9112bb5f5d4f4b62b3a1adb69874 Mon Sep 17 00:00:00 2001
+From: Imre Deak <imre.deak@nokia.com>
+Date: Thu, 2 Apr 2009 11:47:13 +0300
+Subject: [PATCH 008/146] DSS2: Add acx565akm panel
+
+Signed-off-by: Imre Deak <imre.deak@nokia.com>
+---
+ drivers/video/omap2/displays/Kconfig           |    8 +
+ drivers/video/omap2/displays/Makefile          |    2 +
+ drivers/video/omap2/displays/panel-acx565akm.c |  712 ++++++++++++++++++++++++
+ drivers/video/omap2/displays/panel-acx565akm.h |    9 +
+ 4 files changed, 731 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/video/omap2/displays/panel-acx565akm.c
+ create mode 100644 drivers/video/omap2/displays/panel-acx565akm.h
+
+diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
+index 356ceb1..3feecee 100644
+--- a/drivers/video/omap2/displays/Kconfig
++++ b/drivers/video/omap2/displays/Kconfig
+@@ -28,4 +28,12 @@ config CTRL_BLIZZARD
+         tristate "Blizzard Controller"
+         help
+           Blizzard Controller (hack)
++
++config PANEL_ACX565AKM
++        tristate "ACX565AKM LCD Panel"
++        depends on OMAP2_DSS_SDI
++        select BACKLIGHT_CLASS_DEVICE
++        help
++          LCD Panel used in RX51
++
+ endmenu
+diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
+index 1b74b7e..9bafcb6 100644
+--- a/drivers/video/omap2/displays/Makefile
++++ b/drivers/video/omap2/displays/Makefile
+@@ -4,3 +4,5 @@ obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+ 
+ obj-$(CONFIG_CTRL_BLIZZARD) += ctrl-blizzard.o
+ obj-$(CONFIG_PANEL_N800) += panel-n800.o
++
++obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
+diff --git a/drivers/video/omap2/displays/panel-acx565akm.c b/drivers/video/omap2/displays/panel-acx565akm.c
+new file mode 100644
+index 0000000..2679d6c
+--- /dev/null
++++ b/drivers/video/omap2/displays/panel-acx565akm.c
+@@ -0,0 +1,712 @@
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/clk.h>
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/spi/spi.h>
++#include <linux/jiffies.h>
++#include <linux/sched.h>
++#include <linux/backlight.h>
++#include <linux/fb.h>
++
++#include <mach/display.h>
++#include <mach/dma.h>
++
++#include "panel-acx565akm.h"
++
++#define MIPID_CMD_READ_DISP_ID         0x04
++#define MIPID_CMD_READ_RED             0x06
++#define MIPID_CMD_READ_GREEN           0x07
++#define MIPID_CMD_READ_BLUE            0x08
++#define MIPID_CMD_READ_DISP_STATUS     0x09
++#define MIPID_CMD_RDDSDR               0x0F
++#define MIPID_CMD_SLEEP_IN             0x10
++#define MIPID_CMD_SLEEP_OUT            0x11
++#define MIPID_CMD_DISP_OFF             0x28
++#define MIPID_CMD_DISP_ON              0x29
++#define MIPID_CMD_WRITE_DISP_BRIGHTNESS        0x51
++#define MIPID_CMD_READ_DISP_BRIGHTNESS 0x52
++#define MIPID_CMD_WRITE_CTRL_DISP      0x53
++
++#define CTRL_DISP_BRIGHTNESS_CTRL_ON   (1 << 5)
++#define CTRL_DISP_AMBIENT_LIGHT_CTRL_ON        (1 << 4)
++#define CTRL_DISP_BACKLIGHT_ON         (1 << 2)
++#define CTRL_DISP_AUTO_BRIGHTNESS_ON   (1 << 1)
++
++#define MIPID_CMD_READ_CTRL_DISP       0x54
++#define MIPID_CMD_WRITE_CABC           0x55
++#define MIPID_CMD_READ_CABC            0x56
++
++#define MIPID_VER_LPH8923              3
++#define MIPID_VER_LS041Y3              4
++#define MIPID_VER_L4F00311             8
++#define MIPID_VER_ACX565AKM            9
++
++struct acx565akm_device {
++       struct backlight_device *bl_dev;
++       int             enabled;
++       int             model;
++       int             revision;
++       u8              display_id[3];
++       int             has_bc:1;
++       int             has_cabc:1;
++       unsigned int    saved_bklight_level;
++       unsigned long   hw_guard_end;           /* next value of jiffies
++                                                  when we can issue the
++                                                  next sleep in/out command */
++       unsigned long   hw_guard_wait;          /* max guard time in jiffies */
++
++       struct spi_device       *spi;
++       struct mutex            mutex;
++       struct omap_panel       panel;
++       struct omap_display     *display;
++};
++
++static int acx565akm_bl_update_status(struct backlight_device *dev);
++
++static void acx565akm_transfer(struct acx565akm_device *md, int cmd,
++                             const u8 *wbuf, int wlen, u8 *rbuf, int rlen)
++{
++       struct spi_message      m;
++       struct spi_transfer     *x, xfer[5];
++       int                     r;
++
++       BUG_ON(md->spi == NULL);
++
++       spi_message_init(&m);
++
++       memset(xfer, 0, sizeof(xfer));
++       x = &xfer[0];
++
++       cmd &=  0xff;
++       x->tx_buf       = &cmd;
++       x->bits_per_word = 9;
++       x->len          = 2;
++
++       if (rlen > 1 && wlen == 0) {
++               /*
++                * Between the command and the response data there is a
++                * dummy clock cycle. Add an extra bit after the command
++                * word to account for this.
++                */
++               x->bits_per_word = 10;
++               cmd <<= 1;
++       }
++       spi_message_add_tail(x, &m);
++
++       if (wlen) {
++               x++;
++               x->tx_buf       = wbuf;
++               x->len          = wlen;
++               x->bits_per_word = 9;
++               spi_message_add_tail(x, &m);
++       }
++
++       if (rlen) {
++               x++;
++               x->rx_buf       = rbuf;
++               x->len          = rlen;
++               spi_message_add_tail(x, &m);
++       }
++
++       r = spi_sync(md->spi, &m);
++       if (r < 0)
++               dev_dbg(&md->spi->dev, "spi_sync %d\n", r);
++}
++
++static inline void acx565akm_cmd(struct acx565akm_device *md, int cmd)
++{
++       acx565akm_transfer(md, cmd, NULL, 0, NULL, 0);
++}
++
++static inline void acx565akm_write(struct acx565akm_device *md,
++                              int reg, const u8 *buf, int len)
++{
++       acx565akm_transfer(md, reg, buf, len, NULL, 0);
++}
++
++static inline void acx565akm_read(struct acx565akm_device *md,
++                             int reg, u8 *buf, int len)
++{
++       acx565akm_transfer(md, reg, NULL, 0, buf, len);
++}
++
++static void hw_guard_start(struct acx565akm_device *md, int guard_msec)
++{
++       md->hw_guard_wait = msecs_to_jiffies(guard_msec);
++       md->hw_guard_end = jiffies + md->hw_guard_wait;
++}
++
++static void hw_guard_wait(struct acx565akm_device *md)
++{
++       unsigned long wait = md->hw_guard_end - jiffies;
++
++       if ((long)wait > 0 && wait <= md->hw_guard_wait) {
++               set_current_state(TASK_UNINTERRUPTIBLE);
++               schedule_timeout(wait);
++       }
++}
++
++static void set_sleep_mode(struct acx565akm_device *md, int on)
++{
++       int cmd, sleep_time = 50;
++
++       if (on)
++               cmd = MIPID_CMD_SLEEP_IN;
++       else
++               cmd = MIPID_CMD_SLEEP_OUT;
++       hw_guard_wait(md);
++       acx565akm_cmd(md, cmd);
++       hw_guard_start(md, 120);
++       /*
++        * When we enable the panel, it seems we _have_ to sleep
++        * 120 ms before sending the init string. When disabling the
++        * panel we'll sleep for the duration of 2 frames, so that the
++        * controller can still provide the PCLK,HS,VS signals. */
++       if (!on)
++               sleep_time = 120;
++       msleep(sleep_time);
++}
++
++static void set_display_state(struct acx565akm_device *md, int enabled)
++{
++       int cmd = enabled ? MIPID_CMD_DISP_ON : MIPID_CMD_DISP_OFF;
++
++       acx565akm_cmd(md, cmd);
++}
++
++static int panel_enabled(struct acx565akm_device *md)
++{
++       u32 disp_status;
++       int enabled;
++
++       acx565akm_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
++       disp_status = __be32_to_cpu(disp_status);
++       enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
++       dev_dbg(&md->spi->dev,
++               "LCD panel %senabled by bootloader (status 0x%04x)\n",
++               enabled ? "" : "not ", disp_status);
++       return enabled;
++}
++
++static void enable_backlight_ctrl(struct acx565akm_device *md, int enable)
++{
++       u16 ctrl;
++
++       acx565akm_read(md, MIPID_CMD_READ_CTRL_DISP, (u8 *)&ctrl, 1);
++       if (enable) {
++               ctrl |= CTRL_DISP_BRIGHTNESS_CTRL_ON |
++                       CTRL_DISP_BACKLIGHT_ON;
++       } else {
++               ctrl &= ~(CTRL_DISP_BRIGHTNESS_CTRL_ON |
++                         CTRL_DISP_BACKLIGHT_ON);
++       }
++
++       ctrl |= 1 << 8;
++       acx565akm_write(md, MIPID_CMD_WRITE_CTRL_DISP, (u8 *)&ctrl, 2);
++}
++
++static void set_cabc_mode(struct acx565akm_device *md, int mode)
++{
++       u16 cabc_ctrl;
++
++       cabc_ctrl = 0;
++       acx565akm_read(md, MIPID_CMD_READ_CABC, (u8 *)&cabc_ctrl, 1);
++       cabc_ctrl &= ~3;
++       cabc_ctrl |= (1 << 8) | (mode & 3);
++       acx565akm_write(md, MIPID_CMD_WRITE_CABC, (u8 *)&cabc_ctrl, 2);
++}
++
++static int get_cabc_mode(struct acx565akm_device *md)
++{
++       u8 cabc_ctrl;
++
++       acx565akm_read(md, MIPID_CMD_READ_CABC, &cabc_ctrl, 1);
++       return cabc_ctrl & 3;
++}
++
++static int panel_detect(struct acx565akm_device *md)
++{
++       acx565akm_read(md, MIPID_CMD_READ_DISP_ID, md->display_id, 3);
++       dev_dbg(&md->spi->dev, "MIPI display ID: %02x%02x%02x\n",
++               md->display_id[0], md->display_id[1], md->display_id[2]);
++
++       switch (md->display_id[0]) {
++       case 0x10:
++               md->model = MIPID_VER_ACX565AKM;
++               md->panel.name = "acx565akm";
++               md->has_bc = 1;
++               md->has_cabc = 1;
++               break;
++       case 0x29:
++               md->model = MIPID_VER_L4F00311;
++               md->panel.name = "l4f00311";
++               break;
++       case 0x45:
++               md->model = MIPID_VER_LPH8923;
++               md->panel.name = "lph8923";
++               break;
++       case 0x83:
++               md->model = MIPID_VER_LS041Y3;
++               md->panel.name = "ls041y3";
++               break;
++       default:
++               md->panel.name = "unknown";
++               dev_err(&md->spi->dev, "invalid display ID\n");
++               return -ENODEV;
++       }
++
++       md->revision = md->display_id[1];
++
++       pr_info("omapfb: %s rev %02x LCD detected\n",
++                       md->panel.name, md->revision);
++
++       return 0;
++}
++
++static int acx565akm_panel_enable(struct omap_display *display)
++{
++       struct acx565akm_device *md =
++               (struct acx565akm_device *)display->panel->priv;
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       mutex_lock(&md->mutex);
++
++       if (display->hw_config.panel_enable)
++               display->hw_config.panel_enable(display);
++
++       md->enabled = panel_enabled(md);
++
++       if (md->enabled) {
++               dev_dbg(&md->spi->dev, "panel already enabled\n");
++               mutex_unlock(&md->mutex);
++               return 0;
++       }
++
++       set_sleep_mode(md, 0);
++       md->enabled = 1;
++       set_display_state(md, 1);
++
++       mutex_unlock(&md->mutex);
++
++       return acx565akm_bl_update_status(md->bl_dev);
++}
++
++static void acx565akm_panel_disable(struct omap_display *display)
++{
++       struct acx565akm_device *md =
++               (struct acx565akm_device *)display->panel->priv;
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       mutex_lock(&md->mutex);
++
++       if (!md->enabled) {
++               mutex_unlock(&md->mutex);
++               return;
++       }
++       set_display_state(md, 0);
++       set_sleep_mode(md, 1);
++       md->enabled = 0;
++
++       if (display->hw_config.panel_disable)
++               display->hw_config.panel_disable(display);
++
++       mutex_unlock(&md->mutex);
++}
++
++#if 0
++static void acx565akm_set_mode(struct omap_display *display,
++                             int x_res, int y_res, int bpp)
++{
++       struct acx565akm_device *md =
++               (struct acx565akm_device *)display->panel->priv;
++       u16 par;
++
++       switch (bpp) {
++       case 16:
++               par = 0x150;
++               break;
++       case 18:
++               par = 0x160;
++               break;
++       case 24:
++               par = 0x170;
++               break;
++       }
++
++       acx565akm_write(md, 0x3a, (u8 *)&par, 2);
++}
++#endif
++
++static int acx565akm_panel_suspend(struct omap_display *display)
++{
++       acx565akm_panel_disable(display);
++       return 0;
++}
++
++static int acx565akm_panel_resume(struct omap_display *display)
++{
++       return acx565akm_panel_enable(display);
++}
++
++static void acx565akm_set_brightness(struct acx565akm_device *md, int level)
++{
++       int bv;
++
++       bv = level | (1 << 8);
++       acx565akm_write(md, MIPID_CMD_WRITE_DISP_BRIGHTNESS, (u8 *)&bv, 2);
++
++       if (level)
++               enable_backlight_ctrl(md, 1);
++       else
++               enable_backlight_ctrl(md, 0);
++}
++
++static int acx565akm_get_actual_brightness(struct acx565akm_device *md)
++{
++       u8 bv;
++
++       acx565akm_read(md, MIPID_CMD_READ_DISP_BRIGHTNESS, &bv, 1);
++
++       return bv;
++}
++
++static int acx565akm_bl_update_status(struct backlight_device *dev)
++{
++       struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
++       struct omap_display *display = md->display;
++       int r;
++       int level;
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       if (display->hw_config.set_backlight == NULL)
++               return -ENODEV;
++
++       mutex_lock(&md->mutex);
++
++       if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
++                       dev->props.power == FB_BLANK_UNBLANK)
++               level = dev->props.brightness;
++       else
++               level = 0;
++
++       r = 0;
++       if (md->has_bc)
++               acx565akm_set_brightness(md, level);
++       else
++               if (display->hw_config.set_backlight != NULL)
++                       r = display->hw_config.set_backlight(display, level);
++       else
++               r = -ENODEV;
++
++       mutex_unlock(&md->mutex);
++
++       return r;
++}
++
++static int acx565akm_bl_get_intensity(struct backlight_device *dev)
++{
++       struct acx565akm_device *md = dev_get_drvdata(&dev->dev);
++       struct omap_display *display = md->display;
++
++       dev_dbg(&dev->dev, "%s\n", __func__);
++
++       if (md->has_bc && display->hw_config.set_backlight == NULL)
++               return -ENODEV;
++
++       if (dev->props.fb_blank == FB_BLANK_UNBLANK &&
++                       dev->props.power == FB_BLANK_UNBLANK) {
++               if (md->has_bc)
++                       return acx565akm_get_actual_brightness(md);
++               else
++                       return dev->props.brightness;
++       }
++
++       return 0;
++}
++
++static struct backlight_ops acx565akm_bl_ops = {
++       .get_brightness = acx565akm_bl_get_intensity,
++       .update_status  = acx565akm_bl_update_status,
++};
++
++static const char *cabc_modes[] = {
++       "off",          /* used also always when CABC is not supported */
++       "ui",
++       "still-image",
++       "moving-image",
++};
++
++static ssize_t show_cabc_mode(struct device *dev,
++               struct device_attribute *attr,
++               char *buf)
++{
++       struct acx565akm_device *md = dev_get_drvdata(dev);
++       const char *mode_str;
++       int mode;
++       int len;
++
++       if (!md->has_cabc)
++               mode = 0;
++       else
++               mode = get_cabc_mode(md);
++       mode_str = "unknown";
++       if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes))
++               mode_str = cabc_modes[mode];
++       len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str);
++
++       return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1;
++}
++
++static ssize_t store_cabc_mode(struct device *dev,
++               struct device_attribute *attr,
++               const char *buf, size_t count)
++{
++       struct acx565akm_device *md = dev_get_drvdata(dev);
++       int i;
++
++       for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
++               const char *mode_str = cabc_modes[i];
++               int cmp_len = strlen(mode_str);
++
++               if (count > 0 && buf[count - 1] == '\n')
++                       count--;
++               if (count != cmp_len)
++                       continue;
++
++               if (strncmp(buf, mode_str, cmp_len) == 0)
++                       break;
++       }
++
++       if (i == ARRAY_SIZE(cabc_modes))
++               return -EINVAL;
++
++       if (!md->has_cabc && i != 0)
++               return -EINVAL;
++
++       mutex_lock(&md->mutex);
++       set_cabc_mode(md, i);
++       mutex_unlock(&md->mutex);
++
++       return count;
++}
++
++static ssize_t show_cabc_available_modes(struct device *dev,
++               struct device_attribute *attr,
++               char *buf)
++{
++       struct acx565akm_device *md = dev_get_drvdata(dev);
++       int len;
++       int i;
++
++       if (!md->has_cabc)
++               return snprintf(buf, PAGE_SIZE, "%s\n", cabc_modes[0]);
++
++       for (i = 0, len = 0;
++            len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++)
++               len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s",
++                       i ? " " : "", cabc_modes[i],
++                       i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : "");
++
++       return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
++}
++
++static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
++               show_cabc_mode, store_cabc_mode);
++static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
++               show_cabc_available_modes, NULL);
++
++static struct attribute *bldev_attrs[] = {
++       &dev_attr_cabc_mode.attr,
++       &dev_attr_cabc_available_modes.attr,
++       NULL,
++};
++
++static struct attribute_group bldev_attr_group = {
++       .attrs = bldev_attrs,
++};
++
++static int acx565akm_panel_init(struct omap_display *display)
++{
++       struct omap_panel *panel = display->panel;
++       struct acx565akm_panel_data *panel_data = display->hw_config.panel_data;
++       struct acx565akm_device *md = (struct acx565akm_device *)panel->priv;
++
++       struct backlight_device *bldev;
++       int brightness;
++       int max_brightness;
++       int r;
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       if (!panel_data) {
++               dev_err(&md->spi->dev, "no panel data\n");
++               return -ENODEV;
++       }
++
++       mutex_init(&md->mutex);
++       md->display = display;
++
++       if (display->hw_config.panel_enable)
++               display->hw_config.panel_enable(display);
++
++       md->enabled = panel_enabled(md);
++
++       r = panel_detect(md);
++       if (r) {
++               if (!md->enabled && display->hw_config.panel_disable)
++                       display->hw_config.panel_disable(display);
++               mutex_unlock(&md->mutex);
++               return r;
++       }
++
++       if (!panel_data->bc_connected) {
++               md->has_bc = 0;
++               md->has_cabc = 0;
++       }
++
++#if 0
++       acx565akm_set_mode(display, panel->timings.x_res, panel->timings.y_res,
++                         panel->bpp);
++#endif
++
++       if (!md->enabled)
++               display->hw_config.panel_disable(display);
++
++       bldev = backlight_device_register("acx565akm", &md->spi->dev,
++                       md, &acx565akm_bl_ops);
++       md->bl_dev = bldev;
++
++       if (md->has_cabc) {
++               r = sysfs_create_group(&bldev->dev.kobj, &bldev_attr_group);
++               if (r) {
++                       dev_err(&bldev->dev, "failed to create sysfs files\n");
++                       backlight_device_unregister(bldev);
++                       return r;
++               }
++       }
++
++       bldev->props.fb_blank = FB_BLANK_UNBLANK;
++       bldev->props.power = FB_BLANK_UNBLANK;
++
++       if (md->has_bc)
++               max_brightness = 255;
++       else
++               max_brightness = display->hw_config.max_backlight_level;
++
++       if (md->has_bc)
++               brightness = acx565akm_get_actual_brightness(md);
++       else {
++               if (display->hw_config.get_backlight != NULL)
++                       brightness = display->hw_config.get_backlight(display);
++               else
++                       brightness = 0;
++       }
++
++       bldev->props.max_brightness = max_brightness;
++       bldev->props.brightness = brightness;
++       acx565akm_bl_update_status(bldev);
++
++       return 0;
++}
++
++static struct omap_panel acx565akm_panel = {
++       .name           = "panel-acx565akm",
++       .init           = acx565akm_panel_init,
++       .suspend        = acx565akm_panel_suspend,
++       .resume         = acx565akm_panel_resume,
++       .enable         = acx565akm_panel_enable,
++       .disable        = acx565akm_panel_disable,
++
++       .timings = {
++               .x_res = 800,
++               .y_res = 480,
++
++               .pixel_clock    = 24000,
++
++               .hsw            = 4,
++               .hfp            = 16,
++               .hbp            = 12,
++
++               .vsw            = 3,
++               .vfp            = 3,
++               .vbp            = 3,
++       },
++
++       .config         = OMAP_DSS_LCD_TFT,
++
++       .recommended_bpp = 16,
++
++       /*
++        * supported modes: 12bpp(444), 16bpp(565), 18bpp(666),  24bpp(888)
++        * resolutions.
++        */
++};
++
++static int acx565akm_spi_probe(struct spi_device *spi)
++{
++       struct acx565akm_device *md;
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       md = kzalloc(sizeof(*md), GFP_KERNEL);
++       if (md == NULL) {
++               dev_err(&spi->dev, "out of memory\n");
++               return -ENOMEM;
++       }
++
++       spi->mode = SPI_MODE_3;
++       md->spi = spi;
++       dev_set_drvdata(&spi->dev, md);
++       md->panel = acx565akm_panel;
++       acx565akm_panel.priv = md;
++
++       omap_dss_register_panel(&acx565akm_panel);
++
++       return 0;
++}
++
++static int acx565akm_spi_remove(struct spi_device *spi)
++{
++       struct acx565akm_device *md = dev_get_drvdata(&spi->dev);
++
++       dev_dbg(&md->spi->dev, "%s\n", __func__);
++
++       sysfs_remove_group(&md->bl_dev->dev.kobj, &bldev_attr_group);
++       backlight_device_unregister(md->bl_dev);
++       omap_dss_unregister_panel(&acx565akm_panel);
++
++       kfree(md);
++
++       return 0;
++}
++
++static struct spi_driver acx565akm_spi_driver = {
++       .driver = {
++               .name   = "acx565akm",
++               .bus    = &spi_bus_type,
++               .owner  = THIS_MODULE,
++       },
++       .probe  = acx565akm_spi_probe,
++       .remove = __devexit_p(acx565akm_spi_remove),
++};
++
++static int __init acx565akm_init(void)
++{
++       return spi_register_driver(&acx565akm_spi_driver);
++}
++
++static void __exit acx565akm_exit(void)
++{
++       spi_unregister_driver(&acx565akm_spi_driver);
++}
++
++module_init(acx565akm_init);
++module_exit(acx565akm_exit);
++
++MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
++MODULE_DESCRIPTION("acx565akm LCD Driver");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/video/omap2/displays/panel-acx565akm.h b/drivers/video/omap2/displays/panel-acx565akm.h
+new file mode 100644
+index 0000000..6d3727b
+--- /dev/null
++++ b/drivers/video/omap2/displays/panel-acx565akm.h
+@@ -0,0 +1,9 @@
++#ifndef __DRIVERS_VIDEO_OMAP2_DISPLAYS_PANEL_ACX565AKM_H
++#define __DRIVERS_VIDEO_OMAP2_DISPLAYS_PANEL_ACX565AKM_H
++
++struct acx565akm_panel_data {
++       unsigned bc_connected:1;
++};
++
++#endif
++
+-- 
+1.6.2.4
+