From: Cody Eksal Date: Wed, 18 Dec 2024 13:01:19 +0000 (-0400) Subject: arm64: dts: allwinner: a100: Add syscon nodes X-Git-Tag: v6.14-rc1~103^2~13^2~3 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=53c54d9b9379e2a3eaec015556a51e47957a8d92;p=thirdparty%2Flinux.git arm64: dts: allwinner: a100: Add syscon nodes The Allwinner A100 has a system configuration block, denoted as SYS_CFG in the user manual's memory map. It is undocumented in the manual, but a glance at the vendor tree shows this block is similar to its predecessors in the A64 and H6. The A100 also has 3 SRAM blocks: A1, A2, and C. Add all of these to the SoC's device tree. Reviewed-by: Parthiban Nallathambi Signed-off-by: Cody Eksal Link: https://patch.msgid.link/20241218-a100-syscon-v2-2-dae60b9ce192@epochal.quest Signed-off-by: Chen-Yu Tsai --- diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index 29ac7716c7a52..a24adba201af2 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -101,6 +101,39 @@ #size-cells = <1>; ranges = <0 0 0 0x3fffffff>; + syscon: syscon@3000000 { + compatible = "allwinner,sun50i-a100-system-control", + "allwinner,sun50i-a64-system-control"; + reg = <0x03000000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_a1: sram@20000 { + compatible = "mmio-sram"; + reg = <0x00020000 0x4000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00020000 0x4000>; + }; + + sram_c: sram@24000 { + compatible = "mmio-sram"; + reg = <0x024000 0x21000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x024000 0x21000>; + }; + + sram_a2: sram@100000 { + compatible = "mmio-sram"; + reg = <0x0100000 0x14000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0100000 0x14000>; + }; + }; + ccu: clock@3001000 { compatible = "allwinner,sun50i-a100-ccu"; reg = <0x03001000 0x1000>;