From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Wed, 2 May 2018 13:32:50 +0200 Subject: [PATCH 02/21] arm64: dts: allwinner: a64: Add DE2 CCU In-Reply-To: <20180430114058.5061-3-jagan@amarulasolutions.com> References: <20180430114058.5061-1-jagan@amarulasolutions.com> <20180430114058.5061-3-jagan@amarulasolutions.com> Message-ID: <20180502113250.5i2eyzv237t5oyl6@flea> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Apr 30, 2018 at 05:10:39PM +0530, Jagan Teki wrote: > DE2 in A64 has clock control unit and behavior is > same like H3/H5, so reuse the same in A64. > > Signed-off-by: Jagan Teki > --- > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > index 1b2ef28c42bd..67b80bbe5bf5 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi > @@ -43,9 +43,11 @@ > */ > > #include > +#include > #include > #include > #include > +#include > > / { > interrupt-parent = <&gic>; > @@ -168,6 +170,19 @@ > #size-cells = <1>; > ranges; > > + display_clocks: clock at 1000000 { > + compatible = "allwinner,sun50i-a64-de2-clk", > + "allwinner,sun50i-h5-de2-clk"; The A64 was released before the H5, so that should be the other way around. > + reg = <0x01000000 0x100000>; > + clocks = <&ccu CLK_DE>, > + <&ccu CLK_BUS_DE>; > + clock-names = "mod", > + "bus"; > + resets = <&ccu RST_BUS_DE>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + }; > + So it turns out we don't need the SRAM to access the CCU driver? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: