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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dqcom,mpm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/qcom,mpm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcom MPM Interrupt Controller
10 - Shawn Guo <shawn.guo@linaro.org>
14 MSM Power Manager (MPM) that is in always-on domain. In addition to managing
21 - $ref: /schemas/interrupt-controller.yaml#
26 - const: qcom,mpm
34 qcom,rpm-msg-ram:
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/linux/drivers/irqchip/
H A Dirq-qcom-mpm.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2010-2020, The Linux Foundation. All rights reserved.
26 * This is the driver for Qualcomm MPM (MSM Power Manager) interrupt controller,
28 * Sitting in always-on domain, MPM monitors the wakeup interrupts when SoC is
30 * doesn't directly access physical MPM registers though. Instead, the access
37 * ownership and dump vMPM into physical MPM registers. On wakeup, AP is woken
38 * up by a MPM pin/interrupt, and RPM will copy STATUS registers into vMPM.
41 * vMPM register map:
44 * +--------------------------------+
46 * +--------------------------------+
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