From cc32134d9d401534559907759c7d40bb1d3c18c8 Mon Sep 17 00:00:00 2001 From: Jishnu Prakash Date: Wed, 24 Sep 2025 16:17:06 -0700 Subject: [PATCH 1/6] dt-bindings: power: qcom,rpmpd: document the Kaanapali RPMh Power Domains Document the RPMh Power Domains on the Kaanapali Platform. Signed-off-by: Jishnu Prakash Signed-off-by: Jingyi Wang Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/power/qcom,rpmpd.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml index af5fef872529..27af5b8aa134 100644 --- a/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml +++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.yaml @@ -18,6 +18,7 @@ properties: oneOf: - enum: - qcom,glymur-rpmhpd + - qcom,kaanapali-rpmhpd - qcom,mdm9607-rpmpd - qcom,milos-rpmhpd - qcom,msm8226-rpmpd From 0e85936a9d492acf6ff9519a5f630a7fedb62f7f Mon Sep 17 00:00:00 2001 From: Jishnu Prakash Date: Wed, 24 Sep 2025 16:17:07 -0700 Subject: [PATCH 2/6] dt-bindings: power: qcom,rpmpd: add new RPMH levels Add constants for voltage levels: LOW_SVS_D2_1, LOW_SVS_D1_1 and LOW_SVS_L0. Signed-off-by: Jishnu Prakash Signed-off-by: Jingyi Wang Signed-off-by: Ulf Hansson --- include/dt-bindings/power/qcom,rpmhpd.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/dt-bindings/power/qcom,rpmhpd.h b/include/dt-bindings/power/qcom,rpmhpd.h index 73cceb88953f..50e7c886709d 100644 --- a/include/dt-bindings/power/qcom,rpmhpd.h +++ b/include/dt-bindings/power/qcom,rpmhpd.h @@ -33,11 +33,14 @@ #define RPMH_REGULATOR_LEVEL_RETENTION 16 #define RPMH_REGULATOR_LEVEL_MIN_SVS 48 #define RPMH_REGULATOR_LEVEL_LOW_SVS_D3 50 +#define RPMH_REGULATOR_LEVEL_LOW_SVS_D2_1 51 #define RPMH_REGULATOR_LEVEL_LOW_SVS_D2 52 +#define RPMH_REGULATOR_LEVEL_LOW_SVS_D1_1 54 #define RPMH_REGULATOR_LEVEL_LOW_SVS_D1 56 #define RPMH_REGULATOR_LEVEL_LOW_SVS_D0 60 #define RPMH_REGULATOR_LEVEL_LOW_SVS 64 #define RPMH_REGULATOR_LEVEL_LOW_SVS_P1 72 +#define RPMH_REGULATOR_LEVEL_LOW_SVS_L0 76 #define RPMH_REGULATOR_LEVEL_LOW_SVS_L1 80 #define RPMH_REGULATOR_LEVEL_LOW_SVS_L2 96 #define RPMH_REGULATOR_LEVEL_SVS 128 From 203dfbda03540f9a99341144a24877ee8b352189 Mon Sep 17 00:00:00 2001 From: AngeloGioacchino Del Regno Date: Thu, 25 Sep 2025 16:31:12 +0200 Subject: [PATCH 3/6] dt-bindings: power: Add support for MT8196 power controllers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for the power controllers found in the MediaTek MT8196 Chromebook SoC. This chip has three power controllers, two of which located in the SCP subsystems (where one can be directly controlled and the other can be controlled only through the HW Voter IP), and one located in the Multimedia HFRP subsystem, controllable only through the HW Voter IP. Acked-by: Rob Herring (Arm) Reviewed-by: Nícolas F. R. A. Prado Signed-off-by: AngeloGioacchino Del Regno Signed-off-by: Ulf Hansson --- .../power/mediatek,power-controller.yaml | 4 ++ .../dt-bindings/power/mediatek,mt8196-power.h | 58 +++++++++++++++++++ 2 files changed, 62 insertions(+) create mode 100644 include/dt-bindings/power/mediatek,mt8196-power.h diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml index 500d98921581..f8a13928f615 100644 --- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml +++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml @@ -33,6 +33,9 @@ properties: - mediatek,mt8188-power-controller - mediatek,mt8192-power-controller - mediatek,mt8195-power-controller + - mediatek,mt8196-hwv-hfrp-power-controller + - mediatek,mt8196-hwv-scp-power-controller + - mediatek,mt8196-power-controller - mediatek,mt8365-power-controller '#power-domain-cells': @@ -157,6 +160,7 @@ allOf: contains: enum: - mediatek,mt8183-power-controller + - mediatek,mt8196-power-controller then: properties: access-controllers: diff --git a/include/dt-bindings/power/mediatek,mt8196-power.h b/include/dt-bindings/power/mediatek,mt8196-power.h new file mode 100644 index 000000000000..0f622a93c807 --- /dev/null +++ b/include/dt-bindings/power/mediatek,mt8196-power.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright (c) 2025 Collabora Ltd + * AngeloGioacchino Del Regno + */ + +#ifndef _DT_BINDINGS_POWER_MT8196_POWER_H +#define _DT_BINDINGS_POWER_MT8196_POWER_H + +/* SCPSYS Secure Power Manager - Direct Control */ +#define MT8196_POWER_DOMAIN_MD 0 +#define MT8196_POWER_DOMAIN_CONN 1 +#define MT8196_POWER_DOMAIN_SSUSB_P0 2 +#define MT8196_POWER_DOMAIN_SSUSB_DP_PHY_P0 3 +#define MT8196_POWER_DOMAIN_SSUSB_P1 4 +#define MT8196_POWER_DOMAIN_SSUSB_P23 5 +#define MT8196_POWER_DOMAIN_SSUSB_PHY_P2 6 +#define MT8196_POWER_DOMAIN_PEXTP_MAC0 7 +#define MT8196_POWER_DOMAIN_PEXTP_MAC1 8 +#define MT8196_POWER_DOMAIN_PEXTP_MAC2 9 +#define MT8196_POWER_DOMAIN_PEXTP_PHY0 10 +#define MT8196_POWER_DOMAIN_PEXTP_PHY1 11 +#define MT8196_POWER_DOMAIN_PEXTP_PHY2 12 +#define MT8196_POWER_DOMAIN_AUDIO 13 +#define MT8196_POWER_DOMAIN_ADSP_TOP_DORMANT 14 +#define MT8196_POWER_DOMAIN_ADSP_INFRA 15 +#define MT8196_POWER_DOMAIN_ADSP_AO 16 + +/* SCPSYS Secure Power Manager - HW Voter */ +#define MT8196_POWER_DOMAIN_MM_PROC_DORMANT 0 +#define MT8196_POWER_DOMAIN_SSR 1 + +/* HFRPSYS MultiMedia Power Control (MMPC) - HW Voter */ +#define MT8196_POWER_DOMAIN_VDE0 0 +#define MT8196_POWER_DOMAIN_VDE1 1 +#define MT8196_POWER_DOMAIN_VDE_VCORE0 2 +#define MT8196_POWER_DOMAIN_VEN0 3 +#define MT8196_POWER_DOMAIN_VEN1 4 +#define MT8196_POWER_DOMAIN_VEN2 5 +#define MT8196_POWER_DOMAIN_DISP_VCORE 6 +#define MT8196_POWER_DOMAIN_DIS0_DORMANT 7 +#define MT8196_POWER_DOMAIN_DIS1_DORMANT 8 +#define MT8196_POWER_DOMAIN_OVL0_DORMANT 9 +#define MT8196_POWER_DOMAIN_OVL1_DORMANT 10 +#define MT8196_POWER_DOMAIN_DISP_EDPTX_DORMANT 11 +#define MT8196_POWER_DOMAIN_DISP_DPTX_DORMANT 12 +#define MT8196_POWER_DOMAIN_MML0_SHUTDOWN 13 +#define MT8196_POWER_DOMAIN_MML1_SHUTDOWN 14 +#define MT8196_POWER_DOMAIN_MM_INFRA0 15 +#define MT8196_POWER_DOMAIN_MM_INFRA1 16 +#define MT8196_POWER_DOMAIN_MM_INFRA_AO 17 +#define MT8196_POWER_DOMAIN_CSI_BS_RX 18 +#define MT8196_POWER_DOMAIN_CSI_LS_RX 19 +#define MT8196_POWER_DOMAIN_DSI_PHY0 20 +#define MT8196_POWER_DOMAIN_DSI_PHY1 21 +#define MT8196_POWER_DOMAIN_DSI_PHY2 22 + +#endif /* _DT_BINDINGS_POWER_MT8196_POWER_H */ From 295926ef36bb83d997f9c897b67fd1a0671db52e Mon Sep 17 00:00:00 2001 From: Finley Xiao Date: Fri, 17 Oct 2025 17:38:33 +0800 Subject: [PATCH 4/6] dt-bindings: power: rockchip: Add support for RV1126B Add power domain IDs for RV1126B SoC. Add a new compatible because register fields have changed. Signed-off-by: Finley Xiao Reviewed-by: Krzysztof Kozlowski Signed-off-by: Ulf Hansson --- .../power/rockchip,power-controller.yaml | 2 ++ .../power/rockchip,rv1126b-power-controller.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) create mode 100644 include/dt-bindings/power/rockchip,rv1126b-power-controller.h diff --git a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml index a884e49c995f..b41db576f95d 100644 --- a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml @@ -46,6 +46,7 @@ properties: - rockchip,rk3576-power-controller - rockchip,rk3588-power-controller - rockchip,rv1126-power-controller + - rockchip,rv1126b-power-controller "#power-domain-cells": const: 1 @@ -126,6 +127,7 @@ $defs: "include/dt-bindings/power/rk3568-power.h" "include/dt-bindings/power/rk3588-power.h" "include/dt-bindings/power/rockchip,rv1126-power.h" + "include/dt-bindings/power/rockchip,rv1126b-power-controller.h" clocks: minItems: 1 diff --git a/include/dt-bindings/power/rockchip,rv1126b-power-controller.h b/include/dt-bindings/power/rockchip,rv1126b-power-controller.h new file mode 100644 index 000000000000..48ea87a4423c --- /dev/null +++ b/include/dt-bindings/power/rockchip,rv1126b-power-controller.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ +/* + * Copyright (c) 2024 Rockchip Electronics Co., Ltd. + * Author: Finley Xiao + */ + +#ifndef __DT_BINDINGS_POWER_RV1126B_POWER_CONTROLLER_H__ +#define __DT_BINDINGS_POWER_RV1126B_POWER_CONTROLLER_H__ + +/* VD_NPU */ +#define RV1126B_PD_NPU 0 + +/* VD_LOGIC */ +#define RV1126B_PD_VDO 1 +#define RV1126B_PD_AIISP 2 + +#endif From 66901bc7df137767cb08cd993d3de390b6257522 Mon Sep 17 00:00:00 2001 From: Nicolas Frattaroli Date: Fri, 17 Oct 2025 17:31:09 +0200 Subject: [PATCH 5/6] dt-bindings: power: Add MT8196 GPU frequency control binding On the MT8196 and MT6991 SoCs, the GPU power and frequency is controlled by some integration logic, referred to as "MFlexGraphics" by MediaTek, which comes in the form of an embedded controller running special-purpose firmware. This controller takes care of the regulators and PLL clock frequencies to squeeze the maximum amount of power out of the silicon. Add a binding which models it as a power domain. Reviewed-by: Rob Herring (Arm) Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Nicolas Frattaroli Signed-off-by: Ulf Hansson --- .../power/mediatek,mt8196-gpufreq.yaml | 117 ++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/mediatek,mt8196-gpufreq.yaml diff --git a/Documentation/devicetree/bindings/power/mediatek,mt8196-gpufreq.yaml b/Documentation/devicetree/bindings/power/mediatek,mt8196-gpufreq.yaml new file mode 100644 index 000000000000..b9e43abaf8a4 --- /dev/null +++ b/Documentation/devicetree/bindings/power/mediatek,mt8196-gpufreq.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/mediatek,mt8196-gpufreq.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MFlexGraphics Power and Frequency Controller + +maintainers: + - Nicolas Frattaroli + +description: + A special-purpose embedded MCU to control power and frequency of GPU devices + using MediaTek Flexible Graphics integration hardware. + +properties: + $nodename: + pattern: '^power-controller@[a-f0-9]+$' + + compatible: + enum: + - mediatek,mt8196-gpufreq + + reg: + items: + - description: GPR memory area + - description: RPC memory area + - description: SoC variant ID register + + reg-names: + items: + - const: gpr + - const: rpc + - const: hw-revision + + clocks: + items: + - description: main clock of the embedded controller (EB) + - description: core PLL + - description: stack 0 PLL + - description: stack 1 PLL + + clock-names: + items: + - const: eb + - const: core + - const: stack0 + - const: stack1 + + mboxes: + items: + - description: FastDVFS events + - description: frequency control + - description: sleep control + - description: timer control + - description: frequency hopping control + - description: hardware voter control + - description: FastDVFS control + + mbox-names: + items: + - const: fast-dvfs-event + - const: gpufreq + - const: sleep + - const: timer + - const: fhctl + - const: ccf + - const: fast-dvfs + + memory-region: + items: + - description: phandle to the GPUEB shared memory + + "#clock-cells": + const: 1 + + "#power-domain-cells": + const: 0 + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - mboxes + - mbox-names + - memory-region + - "#clock-cells" + - "#power-domain-cells" + +additionalProperties: false + +examples: + - | + #include + + power-controller@4b09fd00 { + compatible = "mediatek,mt8196-gpufreq"; + reg = <0x4b09fd00 0x80>, + <0x4b800000 0x1000>, + <0x4b860128 0x4>; + reg-names = "gpr", "rpc", "hw-revision"; + clocks = <&topckgen CLK_TOP_MFG_EB>, + <&mfgpll CLK_MFG_AO_MFGPLL>, + <&mfgpll_sc0 CLK_MFGSC0_AO_MFGPLL_SC0>, + <&mfgpll_sc1 CLK_MFGSC1_AO_MFGPLL_SC1>; + clock-names = "eb", "core", "stack0", "stack1"; + mboxes = <&gpueb_mbox 0>, <&gpueb_mbox 1>, <&gpueb_mbox 2>, + <&gpueb_mbox 3>, <&gpueb_mbox 4>, <&gpueb_mbox 5>, + <&gpueb_mbox 7>; + mbox-names = "fast-dvfs-event", "gpufreq", "sleep", "timer", "fhctl", + "ccf", "fast-dvfs"; + memory-region = <&gpueb_shared_memory>; + #clock-cells = <1>; + #power-domain-cells = <0>; + }; From 34194cb385033656d347ebe45c241e4739a58125 Mon Sep 17 00:00:00 2001 From: Stanimir Varbanov Date: Fri, 31 Oct 2025 20:33:07 +0200 Subject: [PATCH 6/6] dt-bindings: soc: bcm: Add bcm2712 compatible Add bcm2712-pm compatible and update the bindings to satisfy it's requirements. The PM hardware block inside bcm2712 lacks the "asb" and "rpivid_asb" register ranges and also does not have clocks, update the bindings accordingly. Signed-off-by: Stanimir Varbanov Reviewed-by: Florian Fainelli Acked-by: Conor Dooley Signed-off-by: Ulf Hansson --- .../bindings/soc/bcm/brcm,bcm2835-pm.yaml | 38 ++++++++++++++++--- 1 file changed, 32 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml index e28ef198a801..039c8e4a4c51 100644 --- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml @@ -13,23 +13,21 @@ description: | maintainers: - Nicolas Saenz Julienne -allOf: - - $ref: /schemas/watchdog/watchdog.yaml# - properties: compatible: items: - enum: - brcm,bcm2835-pm - brcm,bcm2711-pm + - brcm,bcm2712-pm - const: brcm,bcm2835-pm-wdt reg: - minItems: 2 + minItems: 1 maxItems: 3 reg-names: - minItems: 2 + minItems: 1 items: - const: pm - const: asb @@ -62,7 +60,35 @@ required: - reg - "#power-domain-cells" - "#reset-cells" - - clocks + +allOf: + - $ref: /schemas/watchdog/watchdog.yaml# + + - if: + properties: + compatible: + contains: + enum: + - brcm,bcm2835-pm + - brcm,bcm2711-pm + then: + required: + - clocks + + properties: + reg: + minItems: 2 + + reg-names: + minItems: 2 + + else: + properties: + reg: + maxItems: 1 + + reg-names: + maxItems: 1 additionalProperties: false