Lines Matching +full:sub +full:- +full:node
1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/ti,omap-mailbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
35 lines can also be routed to different processor sub-systems on DRA7xx as they
48 A Mailbox device node is used to represent a Mailbox IP instance/cluster
49 within a SoC. The sub-mailboxes (actual communication channels) are
50 represented as child nodes of this parent node.
56 "mbox-names" (please see Documentation/devicetree/bindings/mailbox/mailbox.txt
58 the mailbox controller device node and an args specifier that will be the
59 phandle to the intended sub-mailbox child node to be used for communication.
60 The equivalent "mbox-names" property value can be used to give a name to the
64 omap-mbox-descriptor:
65 $ref: /schemas/types.yaml#/definitions/uint32-array
67 The omap-mbox-descriptor is made of up of 3 cells and represents a single
68 uni-directional communication channel. A typical sub-mailbox device uses
69 two such channels - one for transmitting (Tx) and one for receiving (Rx).
71 - description:
72 mailbox fifo id used either for transmitting on ti,mbox-tx channel or
73 for receiving on ti,mbox-rx channel (fifo_id). This is the hardware
75 - description:
81 - description:
86 omap-sub-mailbox:
89 The omap-sub-mailbox is a child node within a Mailbox controller device
90 node and represents the actual communication channel used to send and
92 child node should have a unique node name across all the different mailbox
96 ti,mbox-tx:
97 $ref: "#/$defs/omap-mbox-descriptor"
98 description: sub-mailbox descriptor property defining a Tx fifo.
100 ti,mbox-rx:
101 $ref: "#/$defs/omap-mbox-descriptor"
102 description: sub-mailbox descriptor property defining a Rx fifo.
104 ti,mbox-send-noirq:
107 Quirk flag to allow the client user of this sub-mailbox to send
109 the Tx ticker. Should be used only on sub-mailboxes used to
113 - ti,mbox-tx
114 - ti,mbox-rx
119 - ti,omap2-mailbox # for OMAP2420, OMAP2430 SoCs
120 - ti,omap3-mailbox # for OMAP3430, OMAP3630 SoCs
121 - ti,omap4-mailbox # for OMAP44xx, OMAP54xx, AM33xx, AM43xx and DRA7xx SoCs
122 - ti,am654-mailbox # for K3 AM65x, J721E and J7200 SoCs
123 - ti,am64-mailbox # for K3 AM64x SoCs
133 ti,mbox-num-users property, but is usually limited by the number of
134 interrupts reaching the main processor. An interrupt-parent property
138 "#mbox-cells":
141 The specifier is a phandle to an omap-sub-mailbox device.
143 ti,mbox-num-users:
149 ti,mbox-num-fifos:
158 in the mailbox node only if the node is not defined as a child node of
159 a corresponding sysc interconnect node.
166 "^mbox-[a-z0-9-]+$":
167 $ref: "#/$defs/omap-sub-mailbox"
170 - compatible
171 - reg
172 - interrupts
173 - "#mbox-cells"
174 - ti,mbox-num-users
175 - ti,mbox-num-fifos
178 - if:
182 - ti,am654-mailbox
185 - interrupt-parent
187 - if:
191 - ti,am654-mailbox
192 - ti,am64-mailbox
195 ti,mbox-num-users:
197 ti,mbox-num-fifos:
203 - if:
207 - ti,omap4-mailbox
210 ti,mbox-num-users:
212 ti,mbox-num-fifos:
218 - if:
222 - ti,omap3-mailbox
225 ti,mbox-num-users:
227 ti,mbox-num-fifos:
233 - if:
237 - ti,omap2-mailbox
240 ti,mbox-num-users:
242 ti,mbox-num-fifos:
251 - |
253 #include <dt-bindings/interrupt-controller/arm-gic.h>
255 compatible = "ti,omap4-mailbox";
258 #mbox-cells = <1>;
259 ti,mbox-num-users = <3>;
260 ti,mbox-num-fifos = <8>;
262 mbox_ipu: mbox-ipu {
263 ti,mbox-tx = <0 0 0>;
264 ti,mbox-rx = <1 0 0>;
266 mbox_dsp: mbox-dsp {
267 ti,mbox-tx = <3 0 0>;
268 ti,mbox-rx = <2 0 0>;
276 - |
279 compatible = "ti,omap4-mailbox";
282 #mbox-cells = <1>;
283 ti,mbox-num-users = <4>;
284 ti,mbox-num-fifos = <8>;
286 mbox_wkupm3: mbox-wkup-m3 {
287 ti,mbox-tx = <0 0 0>;
288 ti,mbox-rx = <0 0 3>;
289 ti,mbox-send-noirq;
293 - |
296 compatible = "ti,am654-mailbox";
298 #mbox-cells = <1>;
299 ti,mbox-num-users = <4>;
300 ti,mbox-num-fifos = <16>;
301 interrupt-parent = <&intr_main_navss>;
304 mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
305 ti,mbox-tx = <1 0 0>;
306 ti,mbox-rx = <0 0 0>;