# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/mfd/stericsson,db8500-prcmu.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: ST-Ericsson DB8500 PRCMU - Power Reset and Control Management Unit maintainers: - Linus Walleij description: The DB8500 Power Reset and Control Management Unit is an XP70 8-bit microprocessor that is embedded in the always-on power domain of the DB8500 SoCs to manage the low power states, powering up and down parts of the silicon, and controlling reset of different IP blocks. properties: $nodename: pattern: '^prcmu@[0-9a-f]+$' compatible: description: The device is compatible both to the device-specific compatible "stericsson,db8500-prcmu" and "syscon". The latter compatible is needed for the device to be exposed as a system controller so that arbitrary registers can be access by different operating system components. items: - const: stericsson,db8500-prcmu - const: syscon reg: items: - description: Main PRCMU register area - description: PRCMU TCPM register area - description: PRCMU TCDM register area reg-names: items: - const: prcmu - const: prcmu-tcpm - const: prcmu-tcdm interrupts: maxItems: 1 '#address-cells': const: 1 '#size-cells': const: 1 ranges: true interrupt-controller: true '#interrupt-cells': const: 2 db8500-prcmu-regulators: description: Node describing the DB8500 regulators. These are mainly power rails inside the silicon but some of those are also routed out to external pins. type: object properties: compatible: const: stericsson,db8500-prcmu-regulator db8500_vape: description: The voltage for the application processor, the main voltage domain for the chip. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_varm: description: The voltage for the ARM Cortex-A9 CPU. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vmodem: description: The voltage for the modem subsystem. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vpll: description: The voltage for the phase locked loop clocks. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vsmps1: description: Also known as VIO12, is a step-down voltage regulator for 1.2V I/O. SMPS means System Management Power Source. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vsmps2: description: Also known as VIO18, is a step-down voltage regulator for 1.8V I/O. SMPS means System Management Power Source. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vsmps3: description: This is a step-down voltage regulator for 0.87 thru 1.875V I/O. SMPS means System Management Power Source. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_vrf1: description: RF transceiver voltage regulator. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sva_mmdsp: description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP) voltage regulator. This is the voltage for the accelerator DSP for video encoding and decoding. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sva_mmdsp_ret: description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP) voltage regulator for retention mode. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sva_pipe: description: Smart Video Accelerator (SVA) multimedia DSP (MMDSP) voltage regulator for the data pipe. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sia_mmdsp: description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP) voltage regulator. This is the voltage for the accelerator DSP for image encoding and decoding. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sia_mmdsp_ret: description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP) voltage regulator for retention mode. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sia_pipe: description: Smart Image Accelerator (SIA) multimedia DSP (MMDSP) voltage regulator for the data pipe. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_sga: description: Smart Graphics Accelerator (SGA) voltage regulator. This is in effect controlling the power to the MALI400 3D accelerator block. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_b2r2_mcde: description: Blit Blend Rotate and Rescale (B2R2), and Multi-Channel Display Engine (MCDE) voltage regulator. These are two graphics blocks. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_esram12: description: Embedded Static RAM (ESRAM) 1 and 2 voltage regulator. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_esram12_ret: description: Embedded Static RAM (ESRAM) 1 and 2 voltage regulator for retention mode. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_esram34: description: Embedded Static RAM (ESRAM) 3 and 4 voltage regulator. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false db8500_esram34_ret: description: Embedded Static RAM (ESRAM) 3 and 4 voltage regulator for retention mode. type: object $ref: ../regulator/regulator.yaml# unevaluatedProperties: false required: - compatible - db8500_vape - db8500_varm - db8500_vmodem - db8500_vpll - db8500_vsmps1 - db8500_vsmps2 - db8500_vsmps3 - db8500_vrf1 - db8500_sva_mmdsp - db8500_sva_mmdsp_ret - db8500_sva_pipe - db8500_sia_mmdsp - db8500_sia_mmdsp_ret - db8500_sia_pipe - db8500_sga - db8500_b2r2_mcde - db8500_esram12 - db8500_esram12_ret - db8500_esram34 - db8500_esram34_ret additionalProperties: false patternProperties: "^thermal@[0-9a-f]+$": description: Node describing the DB8500 thermal control functions. This binds to an operating system driver that monitors the temperature of the SoC. type: object properties: compatible: const: stericsson,db8500-thermal reg: maxItems: 1 interrupts: items: - description: Hotmon low interrupt (falling temperature) - description: Hotmon high interrupt (rising temperature) interrupt-names: items: - const: IRQ_HOTMON_LOW - const: IRQ_HOTMON_HIGH '#thermal-sensor-cells': const: 0 additionalProperties: false "^prcmu-timer-4@[0-9a-f]+$": description: Node describing the externally visible timer 4 in the PRCMU block. This timer is interesting to the operating system since even thought it has a very low resolution (32768 Hz) it is always on, and thus provides a consistent monotonic timeline for the system. type: object properties: compatible: const: stericsson,db8500-prcmu-timer-4 reg: maxItems: 1 additionalProperties: false "^ab850[05]$": description: Node describing the Analog Baseband 8500 mixed-signals ASIC AB8500 and subcomponents. The AB8500 is accessed through the PRCMU and hence it appears here. This component has a separate set of devicetree bindings. The AB8505 is a newer version of the same ASIC. type: object $ref: stericsson,ab8500.yaml# required: - compatible - reg - '#address-cells' - '#size-cells' - ranges - interrupts - interrupt-controller - '#interrupt-cells' - db8500-prcmu-regulators additionalProperties: false