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Date: Fri, 15 Mar 2019 14:56:54 +0100 From: Neil Armstrong <narmstrong@...libre.com> To: devicetree@...r.kernel.org, khilman@...libre.com, icenowy@...c.io Cc: Neil Armstrong <narmstrong@...libre.com>, dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH v2 1/2] dt-bindings: gpu: mali-midgard: Add resets property The Amlogic ARM Mali Midgard requires reset controls to power on and software reset the GPU, adds these as optional in the bindings. Signed-off-by: Neil Armstrong <narmstrong@...libre.com> --- .../devicetree/bindings/gpu/arm,mali-midgard.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt index 18a2cde2e5f3..1b1a74129141 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt +++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt @@ -37,6 +37,20 @@ Optional properties: - operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt for details. +- resets : Phandle of the GPU reset line. + +Vendor-specific bindings +------------------------ + +The Mali GPU is integrated very differently from one SoC to +another. In order to accomodate those differences, you have the option +to specify one more vendor-specific compatible, among: + +- "amlogic,meson-gxm-mali" + Required properties: + - resets : Should contain phandles of : + + GPU reset line + + GPU APB glue reset line Example for a Mali-T760: -- 2.20.1
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