| Message ID | 20180316175354.21437-6-icenowy@aosc.io (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Sat, Mar 17, 2018 at 01:53:52AM +0800, Icenowy Zheng wrote: > + sram-controller@1c00000 { > + compatible = "allwinner,sun50i-a64-sram-controller"; > + reg = <0x01c00000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + sram_c: sram@18000 { > + compatible = "mmio-sram"; > + reg = <0x00018000 0x28000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0x00018000 0x28000>; > + > + de2_sram: sram-section@0 { > + compatible = "allwinner,sun50i-a64-sram-c"; > + reg = <0x0000 0x28000>; > + }; > + }; > + }; > + > syscon: syscon@1c00000 { > compatible = "allwinner,sun50i-a64-system-controller", > "syscon"; Isn't that the same device than the sram controller node you just added? Maxime
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 1b6dc31e7d91..1f92015503ea 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -148,6 +148,48 @@ #size-cells = <1>; ranges; + de2@1000000 { + compatible = "allwinner,sun50i-a64-de2"; + reg = <0x1000000 0x400000>; + allwinner,sram = <&de2_sram 1>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x1000000 0x400000>; + + display_clocks: clock@0 { + compatible = "allwinner,sun50i-a64-de2-clk"; + reg = <0x0 0x100000>; + clocks = <&ccu CLK_DE>, + <&ccu CLK_BUS_DE>; + clock-names = "mod", + "bus"; + resets = <&ccu RST_BUS_DE>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + }; + + sram-controller@1c00000 { + compatible = "allwinner,sun50i-a64-sram-controller"; + reg = <0x01c00000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_c: sram@18000 { + compatible = "mmio-sram"; + reg = <0x00018000 0x28000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00018000 0x28000>; + + de2_sram: sram-section@0 { + compatible = "allwinner,sun50i-a64-sram-c"; + reg = <0x0000 0x28000>; + }; + }; + }; + syscon: syscon@1c00000 { compatible = "allwinner,sun50i-a64-system-controller", "syscon";
As we have all necessary parts to enable the DE2 CCU on the Allwinner A64 SoC, add the needed device tree nodes, including the SRAM controller node, SRAM C node, DE2 bus node and DE2 CCU node. Signed-off-by: Icenowy Zheng <icenowy@aosc.io> --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 42 +++++++++++++++++++++++++++ 1 file changed, 42 insertions(+)