From: Neil Armstrong <narmstrong@xxxxxxxxxxxx> 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@xxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxx> --- .../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: -- 2.17.1
