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Date: Mon, 12 Dec 2022 14:38:23 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] arm64: dts: qcom: rename AOSS QMP node to pmu
On 12.12.2022 14:33, Krzysztof Kozlowski wrote:
> The Always On Subsystem (AOSS) QMP is not a power domain controller
> since commit 135780456218 ("arm64: dts: qcom: sc7180: Use QMP property
> to control load state") and few others. In fact, it was never a power
> domain controller but rather control of power state of remote
> processors. This power state control is know handled differently, thus
> the AOSS QMP nodes do not have power-domain-cells:
>
> sc7280-idp.dtb: power-controller@...0000: '#power-domain-cells' is a required property
> From schema: Documentation/devicetree/bindings/power/power-domain.yaml
>
> AOSS QMP is an interface to the actuall AOSS subsystem responsible for
> some of power management functions, thus let's call the nodes as "pmu" -
> Power Management Unit.
power-management@ is used on apple and rockchip and pmu is very
ambiguous (power management or performance measurement unit).
Konrad
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sm6350.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sm8350.dtsi | 2 +-
> arch/arm64/boot/dts/qcom/sm8450.dtsi | 2 +-
> 9 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 906fb9343bcc..7e781570b2c6 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -3248,7 +3248,7 @@ aoss_reset: reset-controller@...0000 {
> #reset-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sc7180-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts = <GIC_SPI 389 IRQ_TYPE_EDGE_RISING>;
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 7c24c2129800..b08ddeb7bcec 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -4257,7 +4257,7 @@ aoss_reset: reset-controller@...0000 {
> #reset-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sc7280-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> index 3cb4ca6c53eb..e04f1f751881 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> @@ -1921,7 +1921,7 @@ tsens1: thermal-sensor@...5000 {
> #thermal-sensor-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sc8280xp-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP IPCC_MPROC_SIGNAL_GLINK_QMP IRQ_TYPE_EDGE_RISING>;
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 5f1f7cb52c90..2e15a003825e 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -4965,7 +4965,7 @@ aoss_reset: reset-controller@...0000 {
> #reset-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sdm845-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts = <GIC_SPI 389 IRQ_TYPE_EDGE_RISING>;
> diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
> index 0f01ff4feb55..bb20fed0f4f0 100644
> --- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
> @@ -1273,7 +1273,7 @@ tsens1: thermal-sensor@...5000 {
> #thermal-sensor-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sm6350-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x1000>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP IPCC_MPROC_SIGNAL_GLINK_QMP
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index d1b64280ab0b..ad6902b13a71 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -3589,7 +3589,7 @@ pdc: interrupt-controller@...0000 {
> interrupt-controller;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sm8150-aoss-qmp", "qcom,aoss-qmp";
> reg = <0x0 0x0c300000 0x0 0x400>;
> interrupts = <GIC_SPI 389 IRQ_TYPE_EDGE_RISING>;
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index fbbbae29e0c2..6faf13ed90c1 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -3741,7 +3741,7 @@ tsens1: thermal-sensor@...5000 {
> #thermal-sensor-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sm8250-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP
> diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> index 49db223a0777..519e436aeab9 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
> @@ -1717,7 +1717,7 @@ tsens1: thermal-sensor@...5000 {
> #thermal-sensor-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sm8350-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP IPCC_MPROC_SIGNAL_GLINK_QMP
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index e0d30dadbf8b..234fe6549fe0 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -2453,7 +2453,7 @@ tsens1: thermal-sensor@...5000 {
> #thermal-sensor-cells = <1>;
> };
>
> - aoss_qmp: power-controller@...0000 {
> + aoss_qmp: pmu@...0000 {
> compatible = "qcom,sm8450-aoss-qmp", "qcom,aoss-qmp";
> reg = <0 0x0c300000 0 0x400>;
> interrupts-extended = <&ipcc IPCC_CLIENT_AOP IPCC_MPROC_SIGNAL_GLINK_QMP
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