clk: qcom: camcc-sm8450: Fix topology around titan_top power domain

On SM8450 all VFE and SFE GDSC power domains shall not be operated, if
Titan top GDSC is turned off, thus the former power domains shall be set
as subdomains of Titan top GDSC by a common GDSC registration routine.

Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/clk/qcom/camcc-sm8450.c b/drivers/clk/qcom/camcc-sm8450.c
index dc0a69c56827..f213c33647e2 100644
--- a/drivers/clk/qcom/camcc-sm8450.c
+++ b/drivers/clk/qcom/camcc-sm8450.c
@@ -2715,6 +2715,8 @@ static const struct regmap_config cam_cc_sm8450_regmap_config = {
 	.fast_io = true,
 };
 
+static struct gdsc titan_top_gdsc;
+
 static struct gdsc bps_gdsc = {
 	.gdscr = 0x10004,
 	.pd = {
@@ -2748,6 +2750,7 @@ static struct gdsc ife_0_gdsc = {
 		.name = "ife_0_gdsc",
 	},
 	.flags = POLL_CFG_GDSCR,
+	.parent = &titan_top_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,
 };
 
@@ -2757,6 +2760,7 @@ static struct gdsc ife_1_gdsc = {
 		.name = "ife_1_gdsc",
 	},
 	.flags = POLL_CFG_GDSCR,
+	.parent = &titan_top_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,
 };
 
@@ -2766,6 +2770,7 @@ static struct gdsc ife_2_gdsc = {
 		.name = "ife_2_gdsc",
 	},
 	.flags = POLL_CFG_GDSCR,
+	.parent = &titan_top_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,
 };
 
@@ -2775,6 +2780,7 @@ static struct gdsc sfe_0_gdsc = {
 		.name = "sfe_0_gdsc",
 	},
 	.flags = POLL_CFG_GDSCR,
+	.parent = &titan_top_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,
 };
 
@@ -2784,6 +2790,7 @@ static struct gdsc sfe_1_gdsc = {
 		.name = "sfe_1_gdsc",
 	},
 	.flags = POLL_CFG_GDSCR,
+	.parent = &titan_top_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,
 };