gma500: initial medfield merge

We need to merge this ahead of some of the cleanup because a lot of needed
cleanup spans both new and old chips. If we try and clean up and the merge
we end up fighting ourselves.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
[With a load of the cleanup stuff folded in, register stuff reworked sanely]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

arch/x86/platform/mrst/mrst.c

@@ -28,6 +28,8 @@
 #include <linux/module.h>
 #include <linux/notifier.h>
 #include <linux/mfd/intel_msic.h>
+#include <linux/gpio.h>
+#include <linux/i2c/tc35876x.h>
 
 #include <asm/setup.h>
 #include <asm/mpspec_def.h>
@@ -686,6 +688,19 @@ static void *msic_ocd_platform_data(void *info)
 	return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_OCD);
 }
 
+/* tc35876x DSI-LVDS bridge chip and panel platform data */
+static void *tc35876x_platform_data(void *data)
+{
+       static struct tc35876x_platform_data pdata;
+
+       /* gpio pins set to -1 will not be used by the driver */
+       pdata.gpio_bridge_reset = get_gpio_by_name("LCMB_RXEN");
+       pdata.gpio_panel_bl_en = get_gpio_by_name("6S6P_BL_EN");
+       pdata.gpio_panel_vadd = get_gpio_by_name("EN_VREG_LCD_V3P3");
+
+       return &pdata;
+}
+
 static const struct devs_id __initconst device_ids[] = {
 	{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
 	{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
@@ -698,6 +713,7 @@ static const struct devs_id __initconst device_ids[] = {
 	{"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
 	{"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
 	{"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data},
+	{"i2c_disp_brig", SFI_DEV_TYPE_I2C, 0, &tc35876x_platform_data},
 
 	/* MSIC subdevices */
 	{"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data},

drivers/gpu/drm/gma500/Kconfig

@@ -24,3 +24,10 @@ config DRM_GMA3600
 	help
 	  Say yes to include basic support for Intel GMA3600/3650 (Intel
 	  Cedar Trail) platforms.
+
+config DRM_MEDFIELD
+	bool "Intel Medfield support (Experimental)"
+	depends on DRM_GMA500 && X86_INTEL_MID
+	help
+	  Say yes to include support for the Intel Medfield platform.
+

drivers/gpu/drm/gma500/Makefile

@@ -37,4 +37,14 @@ gma500_gfx-$(CONFIG_DRM_GMA600) += oaktrail_device.o \
 	  oaktrail_hdmi.o \
 	  oaktrail_hdmi_i2c.o
 
+gma500_gfx-$(CONFIG_DRM_MEDFIELD) += mdfld_device.o \
+	  mdfld_output.o \
+	  mdfld_intel_display.o \
+	  mdfld_dsi_output.o \
+	  mdfld_dsi_dpi.o \
+	  mdfld_dsi_pkg_sender.o \
+	  mdfld_tpo_vid.o \
+	  mdfld_tmd_vid.o \
+	  tc35876x-dsi-lvds.o
+
 obj-$(CONFIG_DRM_GMA500) += gma500_gfx.o