From 402e845f9dff3f6f4bf5ff801a07301c05d4cd83 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Wed, 25 Mar 2026 00:43:55 +0800 Subject: [PATCH] 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 [wens@kernel.org: Add VE SRAM region, commit message, and split into two] Reviewed-by: Jernej Skrabec Link: https://patch.msgid.link/20260324164357.1607247-8-wens@kernel.org Signed-off-by: Chen-Yu Tsai --- .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 28 ++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) 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 @@ syscon: syscon@3000000 { #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>; + }; }; };