linux-kernel - Re: [PATCH 7/8] arm64: dts: qcom: Add PM8937 PMIC

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Date:   Tue, 7 Nov 2023 22:29:50 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Dang Huynh <danct12@...eup.net>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Robert Marko <robimarko@...il.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 7/8] arm64: dts: qcom: Add PM8937 PMIC



On 11/6/23 13:08, Dang Huynh wrote:
> The PM8937 features integrated peripherals like ADC, GPIO controller,
> MPPs, PON keys and others.
> 
> Add the device tree so that any boards with this PMIC can use it.
> 
> Signed-off-by: Dang Huynh <danct12@...eup.net>
> ---
>   arch/arm64/boot/dts/qcom/pm8937.dtsi | 202 +++++++++++++++++++++++++++++++++++
>   1 file changed, 202 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm8937.dtsi b/arch/arm64/boot/dts/qcom/pm8937.dtsi
> new file mode 100644
> index 000000000000..6091d6938885
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/pm8937.dtsi
> @@ -0,0 +1,202 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2023, Dang Huynh <danct12@...eup.net>
> + */
> +
> +#include <dt-bindings/iio/qcom,spmi-vadc.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
> +#include <dt-bindings/spmi/spmi.h>
> +
> +/ {
> +	thermal-zones {
> +		pm8937-thermal {
> +			polling-delay-passive = <0>;
> +			polling-delay = <0>;
> +			thermal-sensors = <&pm8937_temp>;
> +
> +			trips {
> +				pm8937_trip0: pm8937-trip0 {
> +					temperature = <105000>;
> +					hysteresis = <0>;
> +					type = "passive";
> +				};
Add a newline between the subnodes, please

[...]

> +			pm8937_resin: resin {
> +				compatible = "qcom,pm8941-resin";
> +				interrupts = <0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
> +				debounce = <15625>;
> +				bias-pull-up;
> +				linux,code = <KEY_VOLUMEDOWN>;
This keycode varies per-device, please move it out


> +			};
> +		};
> +
> +		pm8937_gpios: gpio@...0 {
> +			compatible = "qcom,pm8937-gpio", "qcom,spmi-gpio";
> +			reg = <0xc000>;
> +			gpio-controller;
> +			gpio-ranges = <&pm8937_gpios 0 0 8>;
> +			#gpio-cells = <2>;
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +
> +		pm8937_mpps: mpps@...0 {
> +			compatible = "qcom,pm8937-mpp", "qcom,spmi-mpp";
> +			reg = <0xa000>;

[...]

> +
> +		rtc@...0 {
> +			compatible = "qcom,pm8941-rtc";
> +			reg = <0x6000>, <0x6100>;
> +			reg-names = "rtc", "alarm";
> +			interrupts = <0x0 0x61 0x1 IRQ_TYPE_NONE>;
This is probably IRQ_TYPE_EDGE_RISING

Konrad