From: Rob Herring <robh@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Lee Jones <lee.jones@linaro.org>, Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<linux-arm-msm@vger.kernel.org>,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/4] mfd: qca639x: add support for QCA639x powerup sequence
Date: Thu, 31 Dec 2020 15:52:28 -0700 [thread overview]
Message-ID: <20201231225228.GA2522971@robh.at.kernel.org> (raw)
In-Reply-To: <CAA8EJpo7oHVdDWjhnoknt0vAPYHL0LsZsT8q6MpQs20a+OiCAQ@mail.gmail.com>
On Mon, Dec 21, 2020 at 05:08:44PM +0300, Dmitry Baryshkov wrote:
> Hello,
>
> On Mon, 21 Dec 2020 at 12:02, Lee Jones <lee.jones@linaro.org> wrote:
> >
> > On Sun, 20 Dec 2020, Dmitry Baryshkov wrote:
> >
> > > Qualcomm QCA639x is a family of WiFi + Bluetooth SoCs, with BT part
> > > being controlled through the UART and WiFi being present on PCIe
> > > bus. Both blocks share common power sources. So add mfd device driver
> > > handling power sequencing of QCA6390/1.
> > >
> > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> > > ---
> > > drivers/mfd/Kconfig | 12 +++
> > > drivers/mfd/Makefile | 1 +
> > > drivers/mfd/qcom-qca639x.c | 168 +++++++++++++++++++++++++++++++++++++
> > > 3 files changed, 181 insertions(+)
> > > create mode 100644 drivers/mfd/qcom-qca639x.c
> >
> > This is not an MFD, since it utilised neither the MFD API nor
> > of_platform_populate() to register child devices.
>
> It would use them if the WiFi part was not on a discoverable bus.
PCI nodes have been supported in DT for forever. If you have
non-discoverable additions to a PCI device, then the PCI device should
be in DT.
Rob
next prev parent reply other threads:[~2020-12-31 22:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 16:58 [PATCH 0/4] Add support for Qualcomm QCA639x chips family Dmitry Baryshkov
2020-12-20 16:58 ` [PATCH 1/4] dt-bindings: mfd: qcom,qca639x: add binding for QCA639x defvice Dmitry Baryshkov
2020-12-31 22:50 ` Rob Herring
2021-01-03 3:41 ` Dmitry Baryshkov
2021-01-14 14:33 ` Rob Herring
2021-01-14 16:55 ` Dmitry Baryshkov
2020-12-20 16:58 ` [PATCH 2/4] mfd: qca639x: add support for QCA639x powerup sequence Dmitry Baryshkov
2020-12-21 9:02 ` Lee Jones
2020-12-21 14:08 ` Dmitry Baryshkov
2020-12-22 10:16 ` Lee Jones
2020-12-31 22:52 ` Rob Herring [this message]
2020-12-20 16:58 ` [PATCH 3/4] arm64: dts: qcom: Add Bluetooth support on RB5 Dmitry Baryshkov
2020-12-20 16:58 ` [PATCH 4/4] arm64: dtb: qcom: qrb5165-rb5: add power domain to pcie0 phy Dmitry Baryshkov
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