Commit 70dc5425 authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Bjorn Andersson
Browse files

clk: qcom: camcc-sm8450: Specify Titan GDSC power domain as a parent to IPE/BPS/SBI 



When a consumer turns on/off a power domain dependent on another power
domain in hardware, the parent power domain shall be turned on/off by
the power domain provider as well, and to get it the power domain hardware
hierarchy shall be described in the CAMCC driver.

Establish the power domain hierarchy with a Titan GDSC set as a parent of
other GDSC power domains provided by the SM8450 camera clock controller,
including IPE, BPS and SBI ones.

Reviewed-by: default avatarKonrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: default avatarImran Shaik <imran.shaik@oss.qualcomm.com>
Reviewed-by: default avatarBryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: default avatarVladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Link: https://lore.kernel.org/r/20251021234450.2271279-7-vladimir.zapolskiy@linaro.org


Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
parent fc3985b2

drivers/clk/qcom/camcc-sm8450.c

+3 −0
Original line number Diff line number Diff line
@@ -2935,6 +2935,7 @@ static struct gdsc bps_gdsc = { 
		.name = "bps_gdsc",

	},

	.flags = HW_CTRL | POLL_CFG_GDSCR,

	.parent = &titan_top_gdsc.pd,

	.pwrsts = PWRSTS_OFF_ON,

};
@@ -2944,6 +2945,7 @@ static struct gdsc ipe_0_gdsc = { 
		.name = "ipe_0_gdsc",

	},

	.flags = HW_CTRL | POLL_CFG_GDSCR,

	.parent = &titan_top_gdsc.pd,

	.pwrsts = PWRSTS_OFF_ON,

};
@@ -2953,6 +2955,7 @@ static struct gdsc sbi_gdsc = { 
		.name = "sbi_gdsc",

	},

	.flags = POLL_CFG_GDSCR,

	.parent = &titan_top_gdsc.pd,

	.pwrsts = PWRSTS_OFF_ON,

};