GMBUS0             34 drivers/gpu/drm/gma500/psb_intel_reg.h #define GMBUS0			0x5100 /* clock/port select */
GMBUS0           3209 drivers/gpu/drm/i915/i915_reg.h #define GMBUS0			_MMIO(dev_priv->gpio_mmio_base + 0x5100) /* clock/port select */