linux-kernel - Re: [PATCH 14/20] arm64: dts: qcom: kaanapali-mtp: Enable more features

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Message-ID: <0c9ca026-9986-4347-a86d-8bf65e2d12e6@linaro.org>
Date: Thu, 9 Oct 2025 17:58:03 +0300
From: Eugen Hristev <eugen.hristev@...aro.org>
To: Jishnu Prakash <jishnu.prakash@....qualcomm.com>,
 Jingyi Wang <jingyi.wang@....qualcomm.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, aiqun.yu@....qualcomm.com,
 tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
 yijie.yang@....qualcomm.com
Subject: Re: [PATCH 14/20] arm64: dts: qcom: kaanapali-mtp: Enable more
 features



On 10/9/25 16:54, Jishnu Prakash wrote:
> Hi Eugen,
> 
> On 9/25/2025 1:33 PM, Eugen Hristev wrote:
>>
>>
>> On 9/25/25 03:17, Jingyi Wang wrote:
>>> Enable more features on Kaanapali MTP boards including PMIC peripherals,
>>> bus, SDHCI, remoteprocs, USB, PCIE, WLAN and Bluetooth.
>>>
>>> Written with help from Jyothi Kumar Seerapu(added bus), Ronak Raheja
>>> (added USB), Manish Pandey(added SDHCI), Jishnu Prakash(added PMIC),
>>> Qiang Yu(added PCIE), Yijie Yang(Added WLAN) and Zijun Hu(Added Bluetooth).
>>>
>>> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
>>> ---
>>>  arch/arm64/boot/dts/qcom/kaanapali-mtp.dts | 663 +++++++++++++++++++++++++++++
>>>  1 file changed, 663 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts b/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts
>>> index 9cf3158e2712..2949579481a9 100644
>>> --- a/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts
>>> +++ b/arch/arm64/boot/dts/qcom/kaanapali-mtp.dts
>>> @@ -5,9 +5,23 @@
>>>  
> 
> ...
> 
>>> +
>>> +&spmi_bus1 {
>>> +	pmd8028: pmic@4 {
>>> +		compatible = "qcom,pmd8028", "qcom,spmi-pmic";
>>> +		reg = <0x4 SPMI_USID>;
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +
>>> +		pmd8028_temp_alarm: temp-alarm@a00 {
>>> +			compatible = "qcom,spmi-temp-alarm";
>>> +			reg = <0xa00>;
>>> +			interrupts = <0x4 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
>>> +			#thermal-sensor-cells = <0>;
>>> +		};
>>> +
>>> +		pmd8028_gpios: gpio@...0 {
>>> +			compatible = "qcom,pmd8028-gpio", "qcom,spmi-gpio";
>>> +			reg = <0x8800>;
>>> +			gpio-controller;
>>> +			gpio-ranges = <&pmd8028_gpios 0 0 4>;
>>> +			#gpio-cells = <2>;
>>> +			interrupt-controller;
>>> +			#interrupt-cells = <2>;
>>> +		};
>>> +	};
>>> +
>>> +	pmih0108: pmic@7 {
>>> +		compatible = "qcom,pmih0108", "qcom,spmi-pmic";
>>> +		reg = <0x7 SPMI_USID>;
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +
>>> +		pmih0108_temp_alarm: temp-alarm@a00 {
>>> +			compatible = "qcom,spmi-temp-alarm";
>>> +			reg = <0xa00>;
>>> +			interrupts = <0x7 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
>>> +			#thermal-sensor-cells = <0>;
>>> +		};
>>> +
>>> +		pmih0108_gpios: gpio@...0 {
>>> +			compatible = "qcom,pmih0108-gpio", "qcom,spmi-gpio";
>>> +			reg = <0x8800>;
>>> +			gpio-controller;
>>> +			gpio-ranges = <&pmih0108_gpios 0 0 18>;
>>> +			#gpio-cells = <2>;
>>> +			interrupt-controller;
>>> +			#interrupt-cells = <2>;
>>> +		};
>>> +
>>> +		pmih0108_eusb2_repeater: phy@...0 {
>>> +			compatible = "qcom,pm8550b-eusb2-repeater";
>>> +			reg = <0xfd00>;
>>> +			#phy-cells = <0>;
>>> +			vdd18-supply = <&vreg_l15b_1p8>;
>>> +			vdd3-supply = <&vreg_l5b_3p1>;
>>> +		};
>>> +	};
>>> +
>>> +	pmr735d: pmic@a {
>>
>> Hi,
>>
>> The PMR735D is available in pmr735d_a.dtsi
>>
>> Can we find a way to reuse that include file instead of duplicating it
>> here ?
> 
> In pmr735d_a.dtsi, the peripherals are added under the parent phandle
> "spmi_bus", which was commonly used in older SoCs having only a single
> bus under the PMIC arbiter, but in Kaanapali, there are two buses
> present under the PMIC arbiter, with phandles "spmi_bus0" and "spmi_bus1",
> so we cannot include the file as it is.
> 

I know the problem. I disagree with using include files in one case, and
having the PMIC in the dts in the other case.

So there has to be a unified way to handle this in all cases.

Eugen

> Thanks,
> Jishnu
> 
>>
>>> +		compatible = "qcom,pmr735d", "qcom,spmi-pmic";
>>> +		reg = <0xa SPMI_USID>;
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +
>>> +		pmr735d_temp_alarm: temp-alarm@a00 {
>>> +			compatible = "qcom,spmi-temp-alarm";
>>> +			reg = <0xa00>;
>>> +			interrupts = <0xa 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
>>> +			#thermal-sensor-cells = <0>;
>>> +		};
>>> +
>>> +		pmr735d_gpios: gpio@...0 {
>>> +			compatible = "qcom,pmr735d-gpio", "qcom,spmi-gpio";
>>> +			reg = <0x8800>;
>>> +			gpio-controller;
>>> +			gpio-ranges = <&pmr735d_gpios 0 0 2>;
>>> +			#gpio-cells = <2>;
>>> +			interrupt-controller;
>>> +			#interrupt-cells = <2>;
>>> +		};
>>> +	};
>>> +
>>
>>
>> [...]
>>
>