From: Mark Brown <broonie@kernel.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Satya Priya <quic_c_skakit@quicinc.com>,
Lee Jones <lee.jones@linaro.org>,
Liam Girdwood <lgirdwood@gmail.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, quic_collinsd@quicinc.com,
quic_subbaram@quicinc.com, quic_jprakash@quicinc.com
Subject: Re: [PATCH V9 4/6] regulator: Add a regulator driver for the PM8008 PMIC
Date: Wed, 6 Apr 2022 17:36:14 +0100 [thread overview]
Message-ID: <Yk3Bfnxe/meBYokp@sirena.org.uk> (raw)
In-Reply-To: <CAE-0n50C8khP2x4sgNP5xnfLVMRQj2=LChyWWx1BWL+Xgecgyw@mail.gmail.com>
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On Wed, Apr 06, 2022 at 08:51:48AM -0700, Stephen Boyd wrote:
> Quoting Mark Brown (2022-04-06 08:45:41)
> > There's a MFD parent for it, and if it's for an I2C device for a pm8008
> > why would it have a -regulators in the name?
> There are two i2c devices. One is pm8008 at i2c address 0x8 and one is
> pm8008-regulators at i2c address 0x9. Earlier revisions of this patch
> series were making it very confusing by redoing the pm8008 binding and
> adding the pm8008-regulator i2c address device to the same binding and
> driver.
> My guess is that this is one IC that responds to multiple i2c addresses.
> The "main" qcom,pm8008 address is 0x8 and that supports things like
> interrupts. Then there's an address for regulators at 0x9 which controls
> the handful of LDOs on the PMIC.
So it's like the TI TWL4030 and Palmas - in which case it should
probably be handled similarly? Note that the original sumbission was
*also* a MFD subfunction, but using a DT compatible to match the
platform device - this is the first I've heard of this being a separate
I2C function.
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next prev parent reply other threads:[~2022-04-06 18:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-05 13:50 [PATCH V9 0/6] Add Qualcomm Technologies, Inc. PM8008 regulator driver Satya Priya
2022-04-05 13:50 ` [PATCH V9 1/6] dt-bindings: mfd: pm8008: Add reset-gpios Satya Priya
2022-04-05 19:04 ` Stephen Boyd
2022-04-13 1:50 ` Rob Herring
2022-04-05 13:50 ` [PATCH V9 2/6] dt-bindings: mfd: pm8008: Add pm8008 regulator bindings Satya Priya
2022-04-05 19:05 ` Stephen Boyd
2022-04-13 1:51 ` Rob Herring
2022-04-05 13:50 ` [PATCH V9 3/6] mfd: pm8008: Add mfd cell struct to register LDOs Satya Priya
2022-04-05 19:08 ` Stephen Boyd
2022-04-06 9:19 ` Satya Priya Kakitapalli (Temp)
2022-04-05 13:50 ` [PATCH V9 4/6] regulator: Add a regulator driver for the PM8008 PMIC Satya Priya
2022-04-05 14:17 ` Mark Brown
2022-04-06 9:06 ` Satya Priya Kakitapalli (Temp)
2022-04-05 19:09 ` Stephen Boyd
2022-04-06 7:31 ` Mark Brown
2022-04-06 15:23 ` Stephen Boyd
2022-04-06 15:45 ` Mark Brown
2022-04-06 15:51 ` Stephen Boyd
2022-04-06 16:36 ` Mark Brown [this message]
2022-04-06 17:21 ` Stephen Boyd
2022-04-06 17:27 ` Mark Brown
2022-04-06 18:16 ` Stephen Boyd
2022-04-07 5:12 ` Satya Priya Kakitapalli (Temp)
2022-04-06 9:38 ` Satya Priya Kakitapalli (Temp)
2022-04-05 19:09 ` Stephen Boyd
2022-04-06 9:26 ` Satya Priya Kakitapalli (Temp)
2022-04-05 13:50 ` [PATCH V9 5/6] arm64: dts: qcom: pm8008: Add base dts file Satya Priya
2022-04-05 19:11 ` Stephen Boyd
2022-04-06 9:27 ` Satya Priya Kakitapalli (Temp)
2022-04-05 13:50 ` [PATCH V9 6/6] arm64: dts: qcom: sc7280: Add pm8008 support for sc7280-idp Satya Priya
2022-04-05 19:13 ` Stephen Boyd
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