Searched +full:mhu +full:- +full:doorbell (Results 1 – 4 of 4) sorted by relevance
1 // SPDX-License-Identifier: GPL-2.0-only3 * Copyright (C) 2013-2015 Fujitsu Semiconductor Ltd.5 * Based on ARM MHU driver by Jassi Brar <jaswinder.singh@linaro.org>29 #define MHU_CHANS 3 /* Secure, Non-Secure High and Low Priority */47 * ARM MHU Mailbox allocated channel information49 * @mhu: Pointer to parent mailbox device50 * @pchan: Physical channel within which this doorbell resides in51 * @doorbell: doorbell number pertaining to this channel54 struct arm_mhu *mhu; member56 unsigned int doorbell; member[all …]
1 // SPDX-License-Identifier: GPL-2.010 * protocol modes: data-transfer and doorbell, to be used on those channel19 * 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];[all …]
1 # 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 Controller10 - Jassi Brar <jaswinder.singh@linaro.org>13 The ARM's Message-Handling-Unit (MHU) is a mailbox controller that has 314 independent channels/links to communicate with remote processor(s). MHU links21 The MHU hardware also allows operations in doorbell mode. The MHU drives the22 interrupt signal using a 32-bit register, with all 32-bits logically ORed[all …]
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)3 ---5 $schema: http://devicetree.org/meta-schemas/core.yaml#10 - Tushar Khandelwal <tushar.khandelwal@arm.com>11 - Viresh Kumar <viresh.kumar@linaro.org>14 The Arm Message Handling Unit (MHU) Version 2 is a mailbox controller that has15 between 1 and 124 channel windows (each 32-bit wide) to provide unidirectional20 be written to or read from. If a pair of MHU controllers is implemented27 An MHU controller must be specified along with the supported transport33 - Data-transfer: Each transfer is made of one or more words, using one or more[all …]