[PATCH 1/2] dt-bindings: gpu: add bus clock for Mali Midgard GPUs

From: Icenowy Zheng <icenowy@aosc.io>
To: Jernej Skrabec <jernej.skrabec@siol.net>,
	Chen-Yu Tsai <wens@csie.org>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
	Icenowy Zheng <icenowy@aosc.io>
Subject: [PATCH 1/2] dt-bindings: gpu: add bus clock for Mali Midgard GPUs
Date: Tue, 27 Nov 2018 15:42:48 +0800	[thread overview]
Message-ID: <20181127074249.15204-1-icenowy@aosc.io> (raw)

Some SoCs adds a bus clock gate to the Mali Midgard GPU.

Add the binding for the bus clock.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
index 18a2cde2e5f3..02f870cd60e6 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
@@ -31,6 +31,12 @@ Optional properties:
 
 - clocks : Phandle to clock for the Mali Midgard device.
 
+- clock-names : Specify the names of the clocks specified in clocks
+  when multiple clocks are present.
+    * bus: bus clock for the GPU
+    * core: clock driving the GPU itself (When only one clock is present,
+      assume it's this clock.)
+
 - mali-supply : Phandle to regulator for the Mali device. Refer to
   Documentation/devicetree/bindings/regulator/regulator.txt for details.
 
-- 
2.18.1

