bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-24 17:42:27 -04:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Archit Taneja
2015-10-09 15:21:12 +05:30
committed by Rob Clark
parent 31c92767ae
commit 6e0eb52eba
4 changed files with 52 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/msm/dsi/dsi_cfg.c
View File

@@ -18,6 +18,10 @@ static const struct msm_dsi_config dsi_v2_cfg = {
.io_offset = 0,
};
static const char * const dsi_6g_bus_clk_names[] = {
"mdp_core_clk", "iface_clk", "bus_clk", "core_mmss_clk",
};
static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
@@ -29,6 +33,12 @@ static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
{"vddio", 1800000, 1800000, 100000, 100},
},
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
};
static const char * const dsi_8916_bus_clk_names[] = {
"mdp_core_clk", "iface_clk", "bus_clk",
};
static const struct msm_dsi_config msm8916_dsi_cfg = {
@@ -42,6 +52,8 @@ static const struct msm_dsi_config msm8916_dsi_cfg = {
{"vddio", 1800000, 1800000, 100000, 100},
},
},
.bus_clk_names = dsi_8916_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
};
static const struct msm_dsi_config msm8994_dsi_cfg = {
@@ -57,7 +69,9 @@ static const struct msm_dsi_config msm8994_dsi_cfg = {
{"lab_reg", -1, -1, -1, -1},
{"ibb_reg", -1, -1, -1, -1},
},
}
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
};
static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {