[PATCH 5/7] arm64: allwinner: a64: add DE2 CCU related device tree nodes
From: icenowy@aosc.io (Icenowy Zheng)
Date: 2018-03-16 17:56:20
Also in:
linux-clk, linux-devicetree, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
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(+)
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 at 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 at 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 at 1c00000 { + compatible = "allwinner,sun50i-a64-sram-controller"; + reg = <0x01c00000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_c: sram at 18000 { + compatible = "mmio-sram"; + reg = <0x00018000 0x28000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00018000 0x28000>; + + de2_sram: sram-section at 0 { + compatible = "allwinner,sun50i-a64-sram-c"; + reg = <0x0000 0x28000>; + }; + }; + }; + syscon: syscon at 1c00000 { compatible = "allwinner,sun50i-a64-system-controller", "syscon";
--
2.15.1