diff options
| author | Jernej Skrabec <jernej.skrabec@gmail.com> | 2026-03-24 19:43:55 +0300 |
|---|---|---|
| committer | Chen-Yu Tsai <wens@kernel.org> | 2026-04-27 18:26:03 +0300 |
| commit | 402e845f9dff3f6f4bf5ff801a07301c05d4cd83 (patch) | |
| tree | 4da5a7c572d5df06a88975fecec57a7a012a64b0 | |
| parent | 254f49634ee16a731174d2ae34bc50bd5f45e731 (diff) | |
| download | linux-402e845f9dff3f6f4bf5ff801a07301c05d4cd83.tar.xz | |
arm64: dts: allwinner: sun50i-h616: Add SRAM nodes
The H616 SoC has a video engine, and two SRAM regions needed by it.
Add the SRAM regions to the dtsi file. The video engine will be added
in a separate change.
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
[wens@kernel.org: Add VE SRAM region, commit message, and split into two]
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260324164357.1607247-8-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi index bf054869e78b..b116d3c12881 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi @@ -182,12 +182,38 @@ #size-cells = <1>; ranges; - sram_c: sram@28000 { + /* SRAM C */ + sram@28000 { compatible = "mmio-sram"; reg = <0x00028000 0x30000>; #address-cells = <1>; #size-cells = <1>; ranges = <0 0x00028000 0x30000>; + + /* + * 0x0 ~ 0x20000 is partial alias of VE SRAM below. + * 0x20000 ~ 0x2ffff is (partial?) alias of DE SRAM. + * However the whole region is toggled together. + */ + sram_c: sram-section@0 { + compatible = "allwinner,sun50i-h616-sram-c", + "allwinner,sun50i-a64-sram-c"; + reg = <0x00000 0x30000>; + }; + }; + + /* VE SRAM */ + sram@1a00000 { + compatible = "mmio-sram"; + reg = <0x01a00000 0x200000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x01a00000 0x200000>; + + ve_sram: sram-section@0 { + compatible = "allwinner,sun50i-h616-ve-sram"; + reg = <0x000000 0x200000>; + }; }; }; |