Lines Matching +full:modem +full:- +full:remoteproc
1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alex Elder <elder@kernel.org>
18 including the Application Processor (AP) and the modem. The IPA presents
21 and has a distinct interrupt and a separately-defined address space.
28 - |
29 -------- ---------
31 | AP +<---. .----+ Modem |
32 | +--. | | .->+ |
34 -------- | | | | ---------
36 --+-+---+-+--
38 |-----------|
42 -------------
46 const: "qcom,sdm845-ipa"
50 - description: IPA registers
51 - description: IPA shared memory
52 - description: GSI registers
54 reg-names:
56 - const: ipa-reg
57 - const: ipa-shared
58 - const: gsi
66 clock-names:
71 - description: IPA interrupt (hardware IRQ)
72 - description: GSI interrupt (hardware IRQ)
73 - description: Modem clock query interrupt (smp2p interrupt)
74 - description: Modem setup ready interrupt (smp2p interrupt)
76 interrupt-names:
78 - const: ipa
79 - const: gsi
80 - const: ipa-clock-query
81 - const: ipa-setup-ready
85 - description: Interconnect path between IPA and main memory
86 - description: Interconnect path between IPA and internal memory
87 - description: Interconnect path between IPA and the AP subsystem
89 interconnect-names:
91 - const: memory
92 - const: imem
93 - const: config
95 qcom,smem-states:
96 $ref: /schemas/types.yaml#/definitions/phandle-array
97 description: State bits used in by the AP to signal the modem.
99 - description: Whether the "ipa-clock-enabled" state bit is valid
100 - description: Whether the IPA clock is enabled (if valid)
102 qcom,smem-state-names:
103 $ref: /schemas/types.yaml#/definitions/string-array
106 - const: ipa-clock-enabled-valid
107 - const: ipa-clock-enabled
109 modem-init:
112 If present, it indicates that the modem is responsible for
116 modem-remoteproc:
119 This defines the phandle to the remoteproc node representing
120 the modem subsystem. This is requied so the IPA driver can
121 receive and act on notifications of modem up/down events.
123 memory-region:
124 $ref: /schemas/types.yaml#/definitions/phandle-array
129 when Trust Zone (not the modem) performs early initialization.
132 - compatible
133 - iommus
134 - reg
135 - clocks
136 - interrupts
137 - interconnects
138 - qcom,smem-states
139 - modem-remoteproc
142 - required:
143 - modem-init
144 - required:
145 - memory-region
150 - |
151 #include <dt-bindings/interrupt-controller/irq.h>
152 #include <dt-bindings/clock/qcom,rpmh.h>
153 #include <dt-bindings/interconnect/qcom,sdm845.h>
155 smp2p-mpss {
157 ipa_smp2p_out: ipa-ap-to-modem {
158 qcom,entry-name = "ipa";
159 #qcom,smem-state-cells = <1>;
162 ipa_smp2p_in: ipa-modem-to-ap {
163 qcom,entry-name = "ipa";
164 interrupt-controller;
165 #interrupt-cells = <2>;
169 compatible = "qcom,sdm845-ipa";
171 modem-init;
172 modem-remoteproc = <&mss_pil>;
178 reg-names = "ipa-reg",
179 "ipa-shared",
182 interrupts-extended = <&intc 0 311 IRQ_TYPE_EDGE_RISING>,
186 interrupt-names = "ipa",
188 "ipa-clock-query",
189 "ipa-setup-ready";
192 clock-names = "core";
198 interconnect-names = "memory",
202 qcom,smem-states = <&ipa_smp2p_out 0>,
204 qcom,smem-state-names = "ipa-clock-enabled-valid",
205 "ipa-clock-enabled";