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So adding the RPMh CX power domain to the clock controller which will result in all GDSCs being parented by CX. This way, the vote from the consumers of each GDSC will trickle all the way to CX. So document the power domain and the required opp to that end. Fixes: ee2d967030fe ("dt-bindings: clock: qcom: document the Glymur Global = Clock Controller") Signed-off-by: Abel Vesa --- .../devicetree/bindings/clock/qcom,glymur-gcc.yaml | 14 ++++++++++= ++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/qcom,glymur-gcc.yaml b= /Documentation/devicetree/bindings/clock/qcom,glymur-gcc.yaml index b05b0e6c4483..94a911855776 100644 --- a/Documentation/devicetree/bindings/clock/qcom,glymur-gcc.yaml +++ b/Documentation/devicetree/bindings/clock/qcom,glymur-gcc.yaml @@ -65,9 +65,20 @@ properties: - description: USB4 PHY 2 pcie pipe clock source - description: USB4 PHY 2 Max pipe clock source =20 + power-domains: + description: + A phandle and PM domain specifier for the CX power domain. + maxItems: 1 + + required-opps: + description: + A phandle to an OPP node describing required CX performance point. + maxItems: 1 + required: - compatible - clocks + - power-domains - '#power-domain-cells' =20 allOf: @@ -78,6 +89,7 @@ unevaluatedProperties: false examples: - | #include + #include clock-controller@100000 { compatible =3D "qcom,glymur-gcc"; 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So adding the RPMh CX power domain to the controller will result in all GDSCs being parented by CX. This way, the vote from the consumers of each GDSC will trickle all the way to CX. So since there is a power domain attached to the controller, enable runtime PM. Fixes: efe504300a17 ("clk: qcom: gcc: Add support for Global Clock Controll= er") Signed-off-by: Abel Vesa --- drivers/clk/qcom/gcc-glymur.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/qcom/gcc-glymur.c b/drivers/clk/qcom/gcc-glymur.c index 0f3981252a68..7cb5076a460f 100644 --- a/drivers/clk/qcom/gcc-glymur.c +++ b/drivers/clk/qcom/gcc-glymur.c @@ -8578,6 +8578,7 @@ static const struct qcom_cc_desc gcc_glymur_desc =3D { .num_resets =3D ARRAY_SIZE(gcc_glymur_resets), .gdscs =3D gcc_glymur_gdscs, .num_gdscs =3D ARRAY_SIZE(gcc_glymur_gdscs), + .use_rpm =3D true, .driver_data =3D &gcc_glymur_driver_data, }; =20 --=20 2.48.1 From nobody Thu Apr 9 11:26:14 2026 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C2D738BF73 for ; Mon, 9 Mar 2026 10:06:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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So adding the RPMh CX power domain to the clock controller which will result in all GDSCs being parented by CX. This way, the vote from the consumers of each GDSC will trickle all the way to CX. So add the power domain and Make sure the required OPP is nominal. Fixes: 41b6e8db400c ("arm64: dts: qcom: Introduce Glymur base dtsi") Signed-off-by: Abel Vesa --- arch/arm64/boot/dts/qcom/glymur.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qco= m/glymur.dtsi index e269cec7942c..2d1ffbf53730 100644 --- a/arch/arm64/boot/dts/qcom/glymur.dtsi +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi @@ -764,6 +764,8 @@ gcc: clock-controller@100000 { #clock-cells =3D <1>; #reset-cells =3D <1>; #power-domain-cells =3D <1>; + power-domains =3D <&rpmhpd RPMHPD_CX>; + required-opps =3D <&rpmhpd_opp_nom>; }; =20 gpi_dma2: dma-controller@800000 { --=20 2.48.1