drm/msm/dsi: Parse bus clocks from a list

DSI bus clocks seem to vary between different DSI host versions, and the
SOC to which they belong. Even the enable/disable sequence varies.

Provide a list of bus clock names in dsi_cfg. The driver will use this to
retrieve the clocks, and enable/disable them.

Add bus clock lists for DSI6G, and DSI for MSM8916(this is DSI6G too, but
there is no MMSS_CC specific clock since there is no MMSS clock controller
on 8916).

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h
index 8140e8b820e4..7336b55d05cc 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.h
@@ -36,6 +36,7 @@ enum msm_dsi_phy_type {
 };
 
 #define DSI_DEV_REGULATOR_MAX	8
+#define DSI_BUS_CLK_MAX		4
 
 /* Regulators for DSI devices */
 struct dsi_reg_entry {