linux-kernel - [PATCH 2/6] dt-bindings: display: msm: gmu: add optional ocmem property

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Message-Id: <20190616132930.6942-3-masneyb@onstation.org>
Date:   Sun, 16 Jun 2019 09:29:26 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     agross@...nel.org, david.brown@...aro.org, robdclark@...il.com,
        sean@...rly.run, robh+dt@...nel.org
Cc:     bjorn.andersson@...aro.org, airlied@...ux.ie, daniel@...ll.ch,
        mark.rutland@....com, jonathan@...ek.ca,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org
Subject: [PATCH 2/6] dt-bindings: display: msm: gmu: add optional ocmem property

Some A3xx and A4xx Adreno GPUs do not have GMEM inside the GPU core and
must use the On Chip MEMory (OCMEM) in order to be functional. Add the
optional ocmem property to the Adreno Graphics Management Unit bindings.

Signed-off-by: Brian Masney <masneyb@...tation.org>
---
 Documentation/devicetree/bindings/display/msm/gmu.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/gmu.txt b/Documentation/devicetree/bindings/display/msm/gmu.txt
index 90af5b0a56a9..c746b95e95d4 100644
--- a/Documentation/devicetree/bindings/display/msm/gmu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gmu.txt
@@ -31,6 +31,10 @@ Required properties:
 - iommus: phandle to the adreno iommu
 - operating-points-v2: phandle to the OPP operating points
 
+Optional properties:
+- ocmem: phandle to the On Chip Memory (OCMEM) that's present on some Snapdragon
+         SoCs. See Documentation/devicetree/bindings/soc/qcom/qcom,ocmem.yaml.
+
 Example:
 
 / {
-- 
2.20.1