Re: [PATCH V2 1/5] arm64: dts: qcom: pm7325: Add PMIC peripherals for pm7325

[skakit]

On 2021-04-03 02:05, Matthias Kaehlcke wrote:
> On Fri, Apr 02, 2021 at 10:35:54AM -0700, Matthias Kaehlcke wrote:
> > On Thu, Apr 01, 2021 at 02:43:12PM +0530, satya priya wrote:
> >
> > > subject: arm64: dts: qcom: pm7325: Add PMIC peripherals for pm7325
> >
> > nit: maybe just 'arm64: dts: qcom: Add pm7325 support/.dtsi' or 
> > similar?
> >
> > > Add temp-alarm and GPIO support for pm7325.
> >
> > nit: it's more than that, you are adding the .dtsi for the PMIC 
> > itself.
> >
> > > Signed-off-by: satya priya <skakit@xxxxxxxxxxxxxx>
> > > ---
> > >  arch/arm64/boot/dts/qcom/pm7325.dtsi | 53 ++++++++++++++++++++++++++++++++++++
> > >  1 file changed, 53 insertions(+)
> > >  create mode 100644 arch/arm64/boot/dts/qcom/pm7325.dtsi
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/pm7325.dtsi b/arch/arm64/boot/dts/qcom/pm7325.dtsi
> > > new file mode 100644
> > > index 0000000..1e0848a
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/qcom/pm7325.dtsi
> > > @@ -0,0 +1,53 @@
> > > +// SPDX-License-Identifier: BSD-3-Clause
> > > +// Copyright (c) 2021, The Linux Foundation. All rights reserved.
> > > +
> > > +#include <dt-bindings/interrupt-controller/irq.h>
> > > +#include <dt-bindings/spmi/spmi.h>
> > > +
> > > +&spmi_bus {
> > > +	pm7325: pmic@1 {
> > > +		compatible = "qcom,pm7325", "qcom,spmi-pmic";
> >
> > I saw the patches that add the compatible strings for the GPIOs, but
> > can't find those that add the strings for the PMICs themselves. Could
> > you provide a link if they have been sent already?
> >
> > > +		reg = <0x1 SPMI_USID>;
> > > +		#address-cells = <1>;
> > > +		#size-cells = <0>;
> > > +
> > > +		pm7325_temp_alarm: temp-alarm@a00 {
> > > +			compatible = "qcom,spmi-temp-alarm";
> > > +			reg = <0xa00>;
> > > +			interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
> > > +			#thermal-sensor-cells = <0>;
> > > +		};
> > > +
> > > +		pm7325_gpios: gpios@8800 {
> > > +			compatible = "qcom,pm7325-gpio", "qcom,spmi-gpio";
> > > +			reg = <0x8800>;
> > > +			gpio-controller;
> > > +			gpio-ranges = <&pm7325_gpios 0 0 10>;
>
> The GPIO enumeration is a bit confusing. The pm7325 has GPIO_01 to
> GPIO_10, however IIUC they are mapped such that under Linux
> enumeration starts with 0. I guess it makes sense to start with 0 and
> it's done consistently for 'qcom,spmi-gpio', but it's something that 
> must
> be taken into account when using/configuring those GPIOs.

Sure, will take care of this while configuring the GPIOs.