Commit 37cf953a authored Oct 22, 2025 by Vladimir Zapolskiy Committed by Bjorn Andersson Oct 22, 2025

clk: qcom: camcc-sm7150: Specify Titan GDSC power domain as a parent to IPEx and BPS

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 SM7150 camera clock controller,
including IPE0/1 and BPS ones.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Link: https://lore.kernel.org/r/20251021234450.2271279-5-vladimir.zapolskiy@linaro.org

Signed-off-by: Bjorn Andersson <andersson@kernel.org>

parent ee2867ca

drivers/clk/qcom/camcc-sm7150.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1846,6 +1846,7 @@ static struct gdsc camcc_bps_gdsc = {
		.name = "camcc_bps_gdsc",
		},
		.flags = HW_CTRL \| POLL_CFG_GDSCR,
		.parent = &camcc_titan_top_gdsc.pd,
		.pwrsts = PWRSTS_OFF_ON,
		};

		@@ -1875,6 +1876,7 @@ static struct gdsc camcc_ipe_0_gdsc = {
		.name = "camcc_ipe_0_gdsc",
		},
		.flags = HW_CTRL \| POLL_CFG_GDSCR,
		.parent = &camcc_titan_top_gdsc.pd,
		.pwrsts = PWRSTS_OFF_ON,
		};

		@@ -1884,6 +1886,7 @@ static struct gdsc camcc_ipe_1_gdsc = {
		.name = "camcc_ipe_1_gdsc",
		},
		.flags = HW_CTRL \| POLL_CFG_GDSCR,
		.parent = &camcc_titan_top_gdsc.pd,
		.pwrsts = PWRSTS_OFF_ON,
		};