linux-kernel - Re: [PATCH 1/3] ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974

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Date:   Fri, 31 Aug 2018 15:50:28 -0700
From:   Frank Rowand <frowand.list@...il.com>
To:     Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        Kumar Gala <galak@...eaurora.org>,
        Russell King <linux@....linux.org.uk>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: Re: [PATCH 1/3] ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for
 APQ8084 and MSM8974

Hi All,

The email for Ivan is no longer valid.  Can anyone else help me with
my question?

Thanks,

Frank


On 08/31/18 15:46, Frank Rowand wrote:
> Hi Ivan,
> 
> 
> On 02/03/15 04:17, Ivan T. Ivanov wrote:
>> Add SPMI PMIC Arbiter configuration nodes for APQ8084 and MSM8974.
>>
>> Signed-off-by: Ivan T. Ivanov <iivanov@...sol.com>
>> ---
>>  arch/arm/boot/dts/qcom-apq8084.dtsi | 16 ++++++++++++++++
>>  arch/arm/boot/dts/qcom-msm8974.dtsi | 16 ++++++++++++++++
>>  2 files changed, 32 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/qcom-apq8084.dtsi b/arch/arm/boot/dts/qcom-apq8084.dtsi
>> index 1f130bc..dbedf64 100644
>> --- a/arch/arm/boot/dts/qcom-apq8084.dtsi
>> +++ b/arch/arm/boot/dts/qcom-apq8084.dtsi
>> @@ -226,5 +226,21 @@
>>  			clock-names = "core", "iface";
>>  			status = "disabled";
>>  		};
>> +
>> +		spmi_bus: spmi@...cf000 {
>> +			compatible = "qcom,spmi-pmic-arb";
>> +			reg-names = "core", "intr", "cnfg";
>> +			reg = <0xfc4cf000 0x1000>,
>> +			      <0xfc4cb000 0x1000>,
>> +			      <0xfc4ca000 0x1000>;
>> +			interrupt-names = "periph_irq";
>> +			interrupts = <0 190 0>;> +			qcom,ee = <0>;
>> +			qcom,channel = <0>;
>> +			#address-cells = <2>;
>> +			#size-cells = <0>;
>> +			interrupt-controller;
>> +			#interrupt-cells = <4>;
>> +		};
>>  	};
>>  };
>> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
>> index e265ec1..2d11641 100644
>> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
>> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
>> @@ -247,5 +247,21 @@
>>  			#address-cells = <1>;
>>  			#size-cells = <0>;
>>  		};
>> +
>> +		spmi_bus: spmi@...cf000 {
>> +			compatible = "qcom,spmi-pmic-arb";
>> +			reg-names = "core", "intr", "cnfg";
>> +			reg = <0xfc4cf000 0x1000>,
>> +			      <0xfc4cb000 0x1000>,
>> +			      <0xfc4ca000 0x1000>;
>> +			interrupt-names = "periph_irq";
> 
>> +			interrupts = <0 190 0>;
> 
> The final value in this interrupts property means IRQ_TYPE_NONE.
> 
> A WARN_ON() was added early this year to complain about use of
> IRQ_TYPE_NONE: 83a86fbb5b56 "irqchip/gic: Loudly complain about
> the use of IRQ_TYPE_NONE", resulting in many warnings spewing
> forth when I boot an APQ8074 Dragonboard.  I am trying to
> determine whether the warning is overly aggressive, or whether
> the IRQ TYPE is incorrectly specified for the spmi node.
> 
> The interrupt-parent for the spmi node is intc: interrupt-controller@...00000,
> which has compatible = "qcom,msm-qgic2".  I do not know the architecture
> or implementation of this interrupt controller.  Is an IRQ_TYPE_NONE
> valid in this case, or should a specific type be provided?
> 
> Thanks!
> 
> -Frank
> 
> 
>> +			qcom,ee = <0>;
>> +			qcom,channel = <0>;
>> +			#address-cells = <2>;
>> +			#size-cells = <0>;
>> +			interrupt-controller;
>> +			#interrupt-cells = <4>;
>> +		};
>>  	};
>>  };
>> --
>> 1.9.1
>>
>> --
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>>
> 
> .
>