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charset="utf-8" add power-domains and power-domain-names property Signed-off-by: Gary Yang --- .../devicetree/bindings/pci/cix,sky1-pcie-host.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml = b/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml index b910a42e0843..1d8ee8310588 100644 --- a/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml @@ -38,6 +38,12 @@ properties: ranges: maxItems: 3 =20 + power-domains: + minItems: 1 + + power-domain-names: + minItems: 1 + required: - compatible - ranges --=20 2.49.0 From nobody Thu Apr 9 08:14:58 2026 Received: from TYDPR03CU002.outbound.protection.outlook.com (mail-japaneastazon11023091.outbound.protection.outlook.com [52.101.127.91]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 67F4034889F; 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charset="utf-8" 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 --- arch/arm64/boot/dts/cix/sky1-power.h | 34 ++++++++++++++++++++++++++++ arch/arm64/boot/dts/cix/sky1.dtsi | 22 ++++++++++++++++++ 2 files changed, 56 insertions(+) create mode 100644 arch/arm64/boot/dts/cix/sky1-power.h 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..743c0e5558ee --- /dev/null +++ b/arch/arm64/boot/dts/cix/sky1-power.h @@ -0,0 +1,34 @@ +/* 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 +#define SKY1_PD_MAX 22 + +#endif diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sk= y1.dtsi index 64b76905cbff..1c8419ba886e 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -6,6 +6,7 @@ =20 #include #include +#include "sky1-power.h" =20 / { interrupt-parent =3D <&gic>; @@ -168,6 +169,19 @@ scmi_clk: protocol@14 { #clock-cells =3D <1>; }; }; + + ap_to_tfa_scmi: scmi-1 { + compatible =3D "arm,scmi-smc"; + arm,smc-id =3D <0xc2000001>; + #address-cells =3D <1>; + #size-cells =3D <0>; + shmem =3D <&ap_tfa_scmi_mem>; + + smc_devpd: protocol@11 { + reg =3D <0x11>; + #power-domain-cells =3D <1>; + }; + }; }; =20 pmu-a520 { @@ -428,6 +442,8 @@ pcie_x8_rc: pcie@a010000 { #size-cells =3D <2>; bus-range =3D <0xc0 0xff>; device_type =3D "pci"; + power-domains =3D <&smc_devpd SKY1_PD_PCIE_CTRL0>; + power-domain-names =3D "pcie_pd"; #interrupt-cells =3D <1>; interrupt-map-mask =3D <0 0 0 0x7>; interrupt-map =3D <0 0 0 1 &gic 0 0 GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH 0>, @@ -572,6 +588,12 @@ iomuxc_s5: pinctrl@16007000 { compatible =3D "cix,sky1-pinctrl-s5"; reg =3D <0x0 0x16007000 0x0 0x1000>; }; + + ap_tfa_scmi_mem: shmem@84380000 { + compatible =3D "arm,scmi-shmem"; + reg =3D <0x0 0x84380000 0x0 0x80>; + reg-io-width =3D <4>; + }; }; =20 timer { --=20 2.49.0