[PATCH 1/8] dt-bindings: add binding for the Allwinner DE2 CCU
From: Icenowy Zheng <hidden>
Date: 2017-02-22 15:18:47
Also in:
dri-devel, linux-arm-kernel, linux-clk
Subsystem:
common clk framework, open firmware and flattened device tree bindings, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Allwinner "Display Engine 2.0" contains some clock controls in it. Add them as a clock driver. Signed-off-by: Icenowy Zheng <redacted> --- .../devicetree/bindings/clock/sunxi-de2.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/sunxi-de2.txt
diff --git a/Documentation/devicetree/bindings/clock/sunxi-de2.txt b/Documentation/devicetree/bindings/clock/sunxi-de2.txt
new file mode 100644
index 000000000000..c19496f037a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sunxi-de2.txt@@ -0,0 +1,31 @@ +Allwinner Display Engine 2.0 Clock Control Binding +-------------------------------------------------- + +Required properties : +- compatible: must contain one of the following compatibles: + - "allwinner,sun8i-a83t-de2-clk" + - "allwinner,sun50i-a64-de2-clk" + - "allwinner,sun50i-h5-de2-clk" + +- reg: Must contain the registers base address and length +- clocks: phandle to the clocks feeding the display engine subsystem. + Three are needed: + - "mod": the display engine module clock + - "bus": the bus clock for the whole display engine subsystem +- clock-names: Must contain the clock names described just above +- resets: phandle to the reset control for the display engine subsystem. +- #clock-cells : must contain 1 +- #reset-cells : must contain 1 + +Example: +de2_clocks: clock@01000000 { + compatible = "allwinner,sun50i-a64-de2-clk"; + reg = <0x01000000 0x1c>; + clocks = <&ccu CLK_DE>, + <&ccu CLK_BUS_DE>; + clock-names = "mod", + "bus"; + resets = <&ccu RST_BUS_DE>; + #clock-cells = <1>; + #reset-cells = <1>; +};
--
2.11.1