From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Andy Gross <andy.gross@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Ohad Ben-Cohen <ohad@wizery.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-remoteproc@vger.kernel.org
Subject: Re: [PATCH v4 4/5] soc: qcom: Add device tree binding for GLINK RPM
Date: Mon, 8 May 2017 10:53:51 -0700 [thread overview]
Message-ID: <20170508175351.GL15143@minitux> (raw)
In-Reply-To: <20170508170606.uchxrihfodk6yts5@rob-hp-laptop>
On Mon 08 May 10:06 PDT 2017, Rob Herring wrote:
> On Thu, May 04, 2017 at 01:05:38PM -0700, Bjorn Andersson wrote:
> > Add device tree binding documentation for the Qualcomm GLINK RPM, used
> > for communication with the Resource Power Management subsystem in
> > various Qualcomm SoCs.
> >
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> > ---
> >
> > Changes since v3:
> > - Transition doorbell to mailbox framework
> >
> > Changes since v2:
> > - Replace qcom,ipc syscon with a "doorbell"
> >
> > Changes since v1:
> > - None
> >
> > .../devicetree/bindings/soc/qcom/qcom,glink.txt | 73 ++++++++++++++++++++++
> > 1 file changed, 73 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt
> >
> > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt
> > new file mode 100644
> > index 000000000000..e32198df0e9c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,glink.txt
> > @@ -0,0 +1,73 @@
> > +Qualcomm RPM GLINK binding
> > +
> > +This binding describes the Qualcomm RPM GLINK, a fifo based mechanism for
> > +communication with the Resource Power Management system on various Qualcomm
> > +platforms.
> > +
> > +- compatible:
> > + Usage: required
> > + Value type: <stringlist>
> > + Definition: must be "qcom,glink-rpm"
> > +
> > +- interrupts:
> > + Usage: required
> > + Value type: <prop-encoded-array>
> > + Definition: should specify the IRQ used by the remote processor to
> > + signal this processor about communication related events
> > +
> > +- qcom,rpm-msg-ram:
> > + Usage: required
> > + Value type: <prop-encoded-array>
> > + Definition: handle to RPM message memory resource
> > +
> > +- mboxes:
> > + Usage: required
> > + Value type: <prop-encoded-array>
> > + Definition: reference to the "rpm_hlos" mailbox in APCS, as described
> > + in mailbox/mailbox.txt
> > +
> > += GLINK DEVICES
> > +Each subnode of the GLINK node represent function tied to a virtual
> > +communication channel. The name of the nodes are not important. The properties
> > +of these nodes are defined by the individual bindings for the specific function
> > +- but must contain the following property:
> > +
> > +- qcom,glink-channels:
> > + Usage: required
> > + Value type: <stringlist>
> > + Definition: a list of channels tied to this function, used for matching
> > + the function to a set of virtual channels
> > +
> > += EXAMPLE
> > +The following example represents the GLINK RPM node on a MSM8996 device, with
> > +the function for the "rpm_request" channel defined, which is used for
> > +regualtors and root clocks.
> > +
> > + apcs_glb: apcs-glb@9820000 {
>
> mailbox@... Or does this block do other things?
>
So far it's just a mailbox, so I'll update this.
> Otherwise,
>
> Acked-by: Rob Herring <robh@kernel.org>
>
Thanks,
Bjorn
next prev parent reply other threads:[~2017-05-08 17:53 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-04 20:05 [PATCH v4 1/5] mailbox: Make startup and shutdown ops optional Bjorn Andersson
2017-05-04 20:05 ` [PATCH v4 2/5] dt-bindings: mailbox: Introduce Qualcomm APCS global binding Bjorn Andersson
2017-05-04 20:05 ` [PATCH v4 3/5] soc: qcom: Introduce APCS IPC driver Bjorn Andersson
2017-05-05 10:26 ` Jassi Brar
2017-05-05 18:37 ` Bjorn Andersson
2017-05-05 19:22 ` Jassi Brar
[not found] ` <CABb+yY03imq8911rF9dHJjG_a_aosksA=tgk7Rog5AZSezHDyg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-05 19:53 ` Jeffrey Hugo
2017-05-05 20:22 ` Jassi Brar
2017-05-05 20:39 ` Jeffrey Hugo
[not found] ` <CABb+yY1K3Hyn7CzQCA6tHu-KrPigARc3cYgBdT8PNX7vjhPK0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-06 1:19 ` Bjorn Andersson
2017-05-06 4:48 ` Jassi Brar
2017-05-08 5:54 ` Bjorn Andersson
2017-05-08 6:47 ` Jassi Brar
2017-05-08 19:11 ` Bjorn Andersson
2017-05-09 16:41 ` Jassi Brar
[not found] ` <CABb+yY2uC6vNFTq1KtZwrrw8x4BEfc2cMjF5DwrLbGpYWBNBzQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-09 19:11 ` Bjorn Andersson
2017-05-10 2:33 ` Jassi Brar
2017-05-10 19:00 ` Bjorn Andersson
2017-05-11 2:07 ` Jassi Brar
2017-05-12 22:48 ` Bjorn Andersson
2017-05-16 11:25 ` Jassi Brar
2017-05-04 20:05 ` [PATCH v4 4/5] soc: qcom: Add device tree binding for GLINK RPM Bjorn Andersson
2017-05-08 17:06 ` Rob Herring
2017-05-08 17:53 ` Bjorn Andersson [this message]
2017-05-04 20:05 ` [PATCH v4 5/5] rpmsg: Introduce Qualcomm RPM glink driver Bjorn Andersson
[not found] ` <20170504200539.27027-1-bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2017-05-05 9:35 ` [PATCH v4 1/5] mailbox: Make startup and shutdown ops optional Sudeep Holla
2017-05-05 10:33 ` Jassi Brar
2017-05-05 18:21 ` Bjorn Andersson
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