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Fri, 13 Mar 2026 14:03:08 +0800 (CST) From: Gary Yang To: lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org, bhelgaas@google.com, krzk+dt@kernel.org, conor+dt@kernel.org, peter.chen@cixtech.com Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, cix-kernel-upstream@cixtech.com, Gary Yang Subject: [PATCH v3 2/2] arm64: dts: cix: Add scmi powerdomain nodes for sky1 Date: Fri, 13 Mar 2026 14:03:08 +0800 Message-ID: <20260313060308.1300518-3-gary.yang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260313060308.1300518-1-gary.yang@cixtech.com> References: <20260313060308.1300518-1-gary.yang@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB84:EE_|JH0PR06MB6833:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 41143f72-f1ec-4b47-e760-08de80c63502 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|7416014|376014|36860700016|56012099003|22082099003|18002099003; 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Signed-off-by: Gary Yang --- arch/arm64/boot/dts/cix/sky1-power.h | 34 ++++++++++++++++++++++++++++ arch/arm64/boot/dts/cix/sky1.dtsi | 21 +++++++++++++++++ 2 files changed, 55 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/sky1.dtsi index 64b76905cbff..495ea91a63f5 100644 --- a/arch/arm64/boot/dts/cix/sky1.dtsi +++ b/arch/arm64/boot/dts/cix/sky1.dtsi @@ -6,6 +6,7 @@ #include #include +#include "sky1-power.h" / { interrupt-parent = <&gic>; @@ -168,6 +169,19 @@ scmi_clk: protocol@14 { #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 { @@ -428,6 +442,7 @@ pcie_x8_rc: pcie@a010000 { #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>, @@ -572,6 +587,12 @@ iomuxc_s5: pinctrl@16007000 { 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 { -- 2.49.0