lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <ZUkgsW4pyojMBtD9@gerhold.net>
Date:   Mon, 6 Nov 2023 18:21:53 +0100
From:   Stephan Gerhold <stephan@...hold.net>
To:     Dang Huynh <danct12@...eup.net>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.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>,
        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 Mon, Nov 06, 2023 at 07:08:35PM +0700, 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>
> +
> [...]
> +&spmi_bus {
> +	pmic@0 {
> +		compatible = "qcom,pm8937", "qcom,spmi-pmic";
> +		reg = <0x0 SPMI_USID>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		pon@800 {
> +			compatible = "qcom,pm8916-pon";
> +			reg = <0x800>;
> +			mode-bootloader = <0x2>;
> +			mode-recovery = <0x1>;
> +
> +			pm8937_pwrkey: pwrkey {
> +				compatible = "qcom,pm8941-pwrkey";
> +				interrupts = <0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
> +				debounce = <15625>;
> +				bias-pull-up;
> +				linux,code = <KEY_POWER>;
> +			};
> +
> +			pm8937_resin: resin {
> +				compatible = "qcom,pm8941-resin";
> +				interrupts = <0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
> +				debounce = <15625>;
> +				bias-pull-up;
> +				linux,code = <KEY_VOLUMEDOWN>;

Please move the linux,code into the board-specific part and make this
status = "disabled" by default, like in the other PMIC dtsi files.

One could theoretically assign any other function to this key. Also,
some devices don't have this hooked up at all.

Thanks,
Stephan

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ