diff options
| author | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-09-01 23:03:36 -0700 |
|---|---|---|
| committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-09-12 14:53:33 -0700 |
| commit | e5d464d02f0681c4677c0bb5f6c0a70c8be78ab6 (patch) | |
| tree | e3b708bfd7a548f61102e6f5b449a3bc70bc1498 /drivers/gpu/drm/i915/display/intel_gmbus.h | |
| parent | f9e932a83ac0bb18ff71014d912af9c8e4d8eab0 (diff) | |
drm/i915/mtl: Add gmbus and gpio support
Add tables to map the GMBUS pin pairs to GPIO registers and port to DDC.
From spec we have registers GPIO_CTL[1-5] mapped to native display phys and
GPIO_CTL[9-12] are mapped to TC ports.
v2:
- Drop unused GPIO pins(MattR)
BSpec: 49306
Cc: Matt Roper <matthew.d.roper@intel.com>
Original Author: Brian J Lovin
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220902060342.151824-6-radhakrishna.sripada@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_gmbus.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_gmbus.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.h b/drivers/gpu/drm/i915/display/intel_gmbus.h index 8edc2e99cf53..20f704bd4e70 100644 --- a/drivers/gpu/drm/i915/display/intel_gmbus.h +++ b/drivers/gpu/drm/i915/display/intel_gmbus.h @@ -24,6 +24,7 @@ struct i2c_adapter; #define GMBUS_PIN_2_BXT 2 #define GMBUS_PIN_3_BXT 3 #define GMBUS_PIN_4_CNP 4 +#define GMBUS_PIN_5_MTP 5 #define GMBUS_PIN_9_TC1_ICP 9 #define GMBUS_PIN_10_TC2_ICP 10 #define GMBUS_PIN_11_TC3_ICP 11 |