From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Andersson Subject: Re: [PATCH 4/4] dt: binding: Add Qualcomm wcn36xx WiFi binding Date: Tue, 29 Dec 2015 11:03:57 -0800 Message-ID: <20151229190357.GJ16437@tuxbot> References: <1451266467-15377-1-git-send-email-bjorn.andersson@sonymobile.com> <1451266467-15377-5-git-send-email-bjorn.andersson@sonymobile.com> <20151229183440.GC12450@rob-hp-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Eugene Krasnikov , Ian Campbell , Kalle Valo , Mark Rutland , Pawel Moll , devicetree@vger.kernel.org, fengwei.yin@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, wcn36xx@lists.infradead.org To: Rob Herring Return-path: Content-Disposition: inline In-Reply-To: <20151229183440.GC12450@rob-hp-laptop> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue 29 Dec 10:34 PST 2015, Rob Herring wrote: > On Sun, Dec 27, 2015 at 05:34:27PM -0800, Bjorn Andersson wrote: > > Add binding representing the Qualcomm wcn3620/60/80 WiFi block. > > Signed-off-by: Bjorn Andersson > > --- > > .../bindings/net/wireless/qcom,wcn36xx-wifi.txt | 76 ++++++++++++++++++++++ > > 1 file changed, 76 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/net/wireless/qcom,wcn36xx-wifi.txt > > > > diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,wcn36xx-wifi.txt b/Documentation/devicetree/bindings/net/wireless/qcom,wcn36xx-wifi.txt > > new file mode 100644 > > index 000000000000..7b314b9f30af > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/net/wireless/qcom,wcn36xx-wifi.txt > > @@ -0,0 +1,76 @@ > > +Qualcomm WCN36xx WiFi Binding > > + > > +This binding describes the Qualcomm WCN36xx WiFi hardware. The hardware block > > +is part of the Qualcomm WCNSS core, a WiFi/BT/FM combo chip, found in a variety > > +of Qualcomm platforms. > > Are BT/FM functions completely separate? If so, separate bindings are > okay. If not, then we need to describe the full chip. > It's three different hardware blocks (WiFi, BT and FM-radio) with shared RF-hardware and an ARM core for control logic. There seems to be some control commands going towards the BT part that controls coexistence properties of the RF-hardware, but other than that I see it as logically separate blocks. So I think it's fine to model this as separate pieces in DT. Regards, Bjorn