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| author | Gary Yang <gary.yang@cixtech.com> | 2026-03-13 14:49:14 +0300 |
|---|---|---|
| committer | Peter Chen <peter.chen@cixtech.com> | 2026-03-24 10:36:53 +0300 |
| commit | 3403d7cfb3d3c09c79f83ff9e6e67159681bdac4 (patch) | |
| tree | 44046f1ecb060a520423b6efd21a1084cc190b36 | |
| parent | 44c00b0c1f89032e2c3027b5d7cd9dde402a1bec (diff) | |
| download | linux-3403d7cfb3d3c09c79f83ff9e6e67159681bdac4.tar.xz | |
arm64: dts: cix: Add scmi powerdomain nodes for sky1
Add a second SCMI channel using SMC transport to communicate with TF-A
for power domain management on the Sky1 SoC.
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Link: https://lore.kernel.org/r/20260313114914.1564115-3-gary.yang@cixtech.com
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
| -rw-r--r-- | arch/arm64/boot/dts/cix/sky1-power.h | 33 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/cix/sky1.dtsi | 21 |
2 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/cix/sky1-power.h b/arch/arm64/boot/dts/cix/sky1-power.h new file mode 100644 index 000000000000..53f4a3af36b3 --- /dev/null +++ b/arch/arm64/boot/dts/cix/sky1-power.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2026 Cix Technology Group Co., Ltd. + */ + +#ifndef __SKY1_POWER_H__ +#define __SKY1_POWER_H__ + +/* The Rich OS need flow the macro */ +#define SKY1_PD_AUDIO 0 +#define SKY1_PD_PCIE_CTRL0 1 +#define SKY1_PD_PCIE_DUMMY 2 +#define SKY1_PD_PCIEHUB 3 +#define SKY1_PD_MMHUB 4 +#define SKY1_PD_MMHUB_SMMU 5 +#define SKY1_PD_DPU0 6 +#define SKY1_PD_DPU1 7 +#define SKY1_PD_DPU2 8 +#define SKY1_PD_DPU3 9 +#define SKY1_PD_DPU4 10 +#define SKY1_PD_VPU_TOP 11 +#define SKY1_PD_VPU_CORE0 12 +#define SKY1_PD_VPU_CORE1 13 +#define SKY1_PD_VPU_CORE2 14 +#define SKY1_PD_VPU_CORE3 15 +#define SKY1_PD_NPU_CORE0 16 +#define SKY1_PD_NPU_CORE1 17 +#define SKY1_PD_NPU_CORE2 18 +#define SKY1_PD_NPU_TOP 19 +#define SKY1_PD_ISP0 20 +#define SKY1_PD_GPU 21 + +#endif diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi index 310dd1aadf6d..6e816937638d 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -6,6 +6,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/clock/cix,sky1.h> +#include "sky1-power.h" / { interrupt-parent = <&gic>; @@ -168,6 +169,19 @@ #clock-cells = <1>; }; }; + + ap_to_tfa_scmi: scmi-1 { + compatible = "arm,scmi-smc"; + arm,smc-id = <0xc2000001>; + #address-cells = <1>; + #size-cells = <0>; + shmem = <&ap_tfa_scmi_mem>; + + smc_devpd: protocol@11 { + reg = <0x11>; + #power-domain-cells = <1>; + }; + }; }; pmu-a520 { @@ -434,6 +448,7 @@ #size-cells = <2>; bus-range = <0xc0 0xff>; device_type = "pci"; + power-domains = <&smc_devpd SKY1_PD_PCIE_CTRL0>; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH 0>, @@ -584,6 +599,12 @@ compatible = "cix,sky1-pinctrl-s5"; reg = <0x0 0x16007000 0x0 0x1000>; }; + + ap_tfa_scmi_mem: shmem@84380000 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x84380000 0x0 0x80>; + reg-io-width = <4>; + }; }; timer { |