From 2c0cf4fed0f440200833ddfc24ea02de2cdc217c Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Wed, 2 Jul 2025 06:37:08 -0500 Subject: [PATCH] riscv: dts: spacemit: add reset support for the K1 SoC Define syscon nodes for the RCPU, RCPU2, and APBC2 SpacemiT CCUS, which currently support resets but not clocks in the SpacemiT K1. Signed-off-by: Alex Elder Reviewed-by: Philipp Zabel Reviewed-by: Yixun Lan Link: https://lore.kernel.org/r/20250702113709.291748-7-elder@riscstar.com Signed-off-by: Yixun Lan --- arch/riscv/boot/dts/spacemit/k1.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi index 14097f1f6f44..4bc69bebfebf 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -346,6 +346,18 @@ dma-noncoherent; ranges; + syscon_rcpu: system-controller@c0880000 { + compatible = "spacemit,k1-syscon-rcpu"; + reg = <0x0 0xc0880000 0x0 0x2048>; + #reset-cells = <1>; + }; + + syscon_rcpu2: system-controller@c0888000 { + compatible = "spacemit,k1-syscon-rcpu2"; + reg = <0x0 0xc0888000 0x0 0x28>; + #reset-cells = <1>; + }; + syscon_apbc: system-controller@d4015000 { compatible = "spacemit,k1-syscon-apbc"; reg = <0x0 0xd4015000 0x0 0x1000>; @@ -562,6 +574,12 @@ <&cpu7_intc 3>, <&cpu7_intc 7>; }; + syscon_apbc2: system-controller@f0610000 { + compatible = "spacemit,k1-syscon-apbc2"; + reg = <0x0 0xf0610000 0x0 0x20>; + #reset-cells = <1>; + }; + sec_uart1: serial@f0612000 { compatible = "spacemit,k1-uart", "intel,xscale-uart"; reg = <0x0 0xf0612000 0x0 0x100>;