linux-kernel - [PATCH v1 2/4] dt-bindings: clock: mediatek: add g3dsys bindings

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Date:   Wed, 18 Apr 2018 18:24:54 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <airlied@...ux.ie>, <matthias.bgg@...il.com>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     <linux-clk@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH v1 2/4] dt-bindings: clock: mediatek: add g3dsys bindings

From: Sean Wang <sean.wang@...iatek.com>

Add bindings to g3dsys providing necessary clock and reset control to
Mali-450.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 .../bindings/arm/mediatek/mediatek,g3dsys.txt      | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,g3dsys.txt

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,g3dsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,g3dsys.txt
new file mode 100644
index 0000000..ff2d70c
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,g3dsys.txt
@@ -0,0 +1,30 @@
+MediaTek g3dsys controller
+============================
+
+The MediaTek g3dsys controller provides various clocks and reset controller to
+the GPU.
+
+Required Properties:
+
+- compatible: Should be:
+	- "mediatek,mt2701-g3dsys", "syscon":
+		for MT2701 SoC
+	- "mediatek,mt7623-ethsys", "mediatek,mt2701-g3dsys", "syscon":
+		for MT7623 SoC
+- #clock-cells: Must be 1
+- #reset-cells: Must be 1
+
+The ethsys controller uses the common clk binding from
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+The available clocks are defined in dt-bindings/clock/mt*-clk.h.
+
+Example:
+
+g3dsys: clock-controller@...00000 {
+	compatible = "mediatek,mt7623-g3dsys",
+		     "mediatek,mt2701-g3dsys",
+		     "syscon";
+	reg = <0 0x13000000 0 0x200>;
+	#clock-cells = <1>;
+	#reset-cells = <1>;
+};
-- 
2.7.4