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/Linux-v5.15/Documentation/devicetree/bindings/mailbox/
Dmicrochip,polarfire-soc-mailbox.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/mailbox/microchip,polarfire-soc-mailbox.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Microchip PolarFire SoC (MPFS) MSS (microprocessor subsystem) mailbox controller
10 - Conor Dooley <conor.dooley@microchip.com>
14 const: microchip,polarfire-soc-mailbox
18 - description: mailbox data registers
19 - description: mailbox interrupt registers
24 "#mbox-cells":
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/Linux-v5.15/Documentation/devicetree/bindings/soc/microchip/
Dmicrochip,polarfire-soc-sys-controller.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/soc/microchip/microchip,polarfire-soc-sys-controller.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Microchip PolarFire SoC (MPFS) MSS (microprocessor subsystem) system controller
10 - Conor Dooley <conor.dooley@microchip.com>
13 The PolarFire SoC system controller is communicated with via a mailbox.
14 This document describes the bindings for the client portion of that mailbox.
22 const: microchip,polarfire-soc-sys-controller
25 - compatible
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/Linux-v5.15/drivers/mailbox/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 menuconfig MAILBOX config
3 bool "Mailbox Hardware Support"
5 Mailbox is a framework to control hardware communication between
6 on-chip processors through queued messages and interrupt driven
9 if MAILBOX
12 tristate "ARM MHU Mailbox"
16 The controller has 3 mailbox channels, the last of which can be
20 tristate "ARM MHUv2 Mailbox"
27 tristate "i.MX Mailbox"
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Dmailbox-mpfs.c1 // SPDX-License-Identifier: GPL-2.0
3 * Microchip PolarFire SoC (MPFS) system controller/mailbox controller driver
19 #include <soc/microchip/mpfs.h>
76 status = readl_relaxed(mbox->mbox_base + SERVICES_SR_OFFSET); in mpfs_mbox_busy()
83 struct mpfs_mbox *mbox = (struct mpfs_mbox *)chan->con_priv; in mpfs_mbox_send_data()
89 mbox->response = msg->response; in mpfs_mbox_send_data()
90 mbox->resp_offset = msg->resp_offset; in mpfs_mbox_send_data()
93 return -EBUSY; in mpfs_mbox_send_data()
95 if (msg->cmd_data_size) { in mpfs_mbox_send_data()
97 u8 extra_bits = msg->cmd_data_size & 3; in mpfs_mbox_send_data()
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/Linux-v5.15/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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