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dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org Date: Tue, 18 Dec 2018 11:07:47 -0700 From: Jordan Crouse To: Rob Herring Subject: Re: [PATCH v2 1/2] dt-bindings: drm/msm/a6xx: Document interconnect properties for GPU Message-ID: <20181218180747.GD18380@jcrouse-lnx.qualcomm.com> Mail-Followup-To: Rob Herring , freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org, nm@ti.com, devicetree@vger.kernel.org, rnayak@codeaurora.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, dianders@chromium.org, vireshk@kernel.org, linux-arm-kernel@lists.infradead.org, georgi.djakov@linaro.org References: <20181214221640.25354-1-jcrouse@codeaurora.org> <20181214221640.25354-2-jcrouse@codeaurora.org> <20181218172201.GA16590@bogus> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20181218172201.GA16590@bogus> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181218_100802_327058_630F7B8E X-CRM114-Status: GOOD ( 18.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nm@ti.com, devicetree@vger.kernel.org, rnayak@codeaurora.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, dianders@chromium.org, dri-devel@lists.freedesktop.org, vireshk@kernel.org, freedreno@lists.freedesktop.org, georgi.djakov@linaro.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Dec 18, 2018 at 11:22:01AM -0600, Rob Herring wrote: > On Fri, Dec 14, 2018 at 03:16:39PM -0700, Jordan Crouse wrote: > > Add documentation for the interconnect and interconnect-names bindings > > for the GPU node as detailed by bindings/interconnect/interconnect.txt. > > > > Signed-off-by: Jordan Crouse > > --- > > Documentation/devicetree/bindings/display/msm/gpu.txt | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt > > index 8d9415180c22..19b5ae459fdb 100644 > > --- a/Documentation/devicetree/bindings/display/msm/gpu.txt > > +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt > > @@ -19,6 +19,9 @@ Required properties: > > * "mem_iface" > > - iommus: optional phandle to an adreno iommu instance > > - operating-points-v2: optional phandle to the OPP operating points > > +- interconnect: optional phandle to a interconnect provider. See > > + ../interconnect/interconnect.txt for details. > > +- interconnect-names: Name string for the interconnects. > > - qcom,gmu: For a6xx and newer targets a phandle to the GMU device that will > > control the power for the GPU > > > > @@ -68,6 +71,9 @@ Example a6xx (with GMU): > > > > operating-points-v2 = <&gpu_opp_table>; > > > > + interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>; > > + interconnect-names = "gfx-mem"; > > There's not really any point to having *-names when there is only 1 > value. For the moment we can only look up the path from the DT by name. I guess we could add an lookup by index but I'm not sure if that had already been considered and rejected. Jordan -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel