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Searched +full:mhu +full:- +full:doorbell (Results 1 – 4 of 4) sorted by relevance

/linux/drivers/mailbox/
H A Darm_mhu_db.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013-2015 Fujitsu Semiconductor Ltd.
5 * Based on ARM MHU driver by Jassi Brar <jaswinder.singh@linaro.org>
28 #define MHU_CHANS 3 /* Secure, Non-Secure High and Low Priority */
46 * struct mhu_db_channel - ARM MHU Mailbox allocated channel information
48 * @mhu: Pointer to parent mailbox device
49 * @pchan: Physical channel within which this doorbell resides in
50 * @doorbell: doorbell number pertaining to this channel
53 struct arm_mhu *mhu; member
55 unsigned int doorbell; member
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H A Darm_mhuv2.c1 // SPDX-License-Identifier: GPL-2.0
10 * protocol modes: data-transfer and doorbell, to be used on those channel
19 * hardware - mainly the number of channel windows implemented by the platform,
45 #define LSB_MASK(n) ((1 << (n * __CHAR_BIT__)) - 1)
46 #define MHUV2_PROTOCOL_PROP "arm,mhuv2-protocols"
94 u8 pad1[0x0C - 0x04];
99 u8 pad2[0x20 - 0x1C];
114 u8 pad[0xFC8 - 0xFB0];
124 u8 reserved0[0x10 - 0x0C];
128 u8 pad[0x20 - 0x1C];
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/linux/Documentation/devicetree/bindings/mailbox/
H A Darm,mhu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/arm,mhu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM MHU Mailbox Controller
10 - Jassi Brar <jaswinder.singh@linaro.org>
13 The ARM's Message-Handling-Unit (MHU) is a mailbox controller that has 3
14 independent channels/links to communicate with remote processor(s). MHU links
21 The MHU hardware also allows operations in doorbell mode. The MHU drives the
22 interrupt signal using a 32-bit register, with all 32-bits logically ORed
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/linux/arch/arm64/boot/dts/arm/
H A Djuno-scmi.dtsi3 power-domains = <&scmi_devpd 8>;
7 power-domains = <&scmi_devpd 8>;
11 power-domains = <&scmi_devpd 8>;
15 power-domains = <&scmi_devpd 8>;
19 power-domains = <&scmi_devpd 8>;
23 power-domains = <&scmi_devpd 8>;
27 power-domains = <&scmi_devpd 8>;
31 power-domains = <&scmi_devpd 8>;
42 /delete-node/ scpi;
47 mbox-names = "tx", "rx";
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