From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Mon, 20 Mar 2017 10:55:25 +0100 Subject: [PATCH v2 1/8] dt-bindings: add binding for the Allwinner DE2 CCU In-Reply-To: <20170316204748.8596-2-icenowy@aosc.xyz> References: <20170316204748.8596-1-icenowy@aosc.xyz> <20170316204748.8596-2-icenowy@aosc.xyz> Message-ID: <20170320095525.osvx5zba4xkfqm25@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Mar 17, 2017 at 04:47:41AM +0800, Icenowy Zheng wrote: > Allwinner "Display Engine 2.0" contains some clock controls in it. > > Add them as a clock driver, and make a device tree binding. > > Signed-off-by: Icenowy Zheng > --- > .../devicetree/bindings/clock/sun8i-de2.txt | 31 ++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/sun8i-de2.txt > > diff --git a/Documentation/devicetree/bindings/clock/sun8i-de2.txt b/Documentation/devicetree/bindings/clock/sun8i-de2.txt > new file mode 100644 > index 000000000000..c19496f037a4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/sun8i-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 at 01000000 { > + compatible = "allwinner,sun50i-a64-de2-clk"; > + reg = <0x01000000 0x1c>; Please use the full size of the memory area allocated to that device. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: not available URL: