1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/remoteproc/qcom,msm8916-mss-pil.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm MSM8916 MSS Peripheral Image Loader (and similar)
maintainers:
- Stephan Gerhold <stephan@gerhold.net>
description:
This document describes the hardware for a component that loads and boots
firmware on the Qualcomm MSM8916 Modem Hexagon Core (and similar).
properties:
compatible:
oneOf:
- enum:
- qcom,msm8909-mss-pil
- qcom,msm8916-mss-pil
- qcom,msm8953-mss-pil
- qcom,msm8974-mss-pil
- const: qcom,q6v5-pil
description: Deprecated, prefer using qcom,msm8916-mss-pil
deprecated: true
reg:
items:
- description: MSS QDSP6 registers
- description: RMB registers
reg-names:
items:
- const: qdsp6
- const: rmb
interrupts:
items:
- description: Watchdog interrupt
- description: Fatal interrupt
- description: Ready interrupt
- description: Handover interrupt
- description: Stop acknowledge interrupt
interrupt-names:
items:
- const: wdog
- const: fatal
- const: ready
- const: handover
- const: stop-ack
clocks:
items:
- description: Configuration interface (AXI) clock
- description: Configuration bus (AHB) clock
- description: Boot ROM (AHB) clock
- description: XO proxy clock (control handed over after startup)
clock-names:
items:
- const: iface
- const: bus
- const: mem
- const: xo
power-domains:
items:
- description: CX proxy power domain (control handed over after startup)
- description: MX proxy power domain (control handed over after startup)
- description: MSS proxy power domain (control handed over after startup)
(only valid for qcom,msm8953-mss-pil)
minItems: 2
power-domain-names:
items:
- const: cx
- const: mx
- const: mss # only valid for qcom,msm8953-mss-pil
minItems: 2
pll-supply:
description: PLL proxy supply (control handed over after startup)
mss-supply:
description: MSS power domain supply (only valid for qcom,msm8974-mss-pil)
resets:
items:
- description: MSS restart control
reset-names:
items:
- const: mss_restart
qcom,smem-states:
$ref: /schemas/types.yaml#/definitions/phandle-array
description: States used by the AP to signal the Hexagon core
items:
- description: Stop modem
qcom,smem-state-names:
description: Names of the states used by the AP to signal the Hexagon core
items:
- const: stop
qcom,halt-regs:
$ref: /schemas/types.yaml#/definitions/phandle-array
description:
Halt registers are used to halt transactions of various sub-components
within MSS.
items:
- items:
- description: phandle to TCSR syscon region
- description: offset to the Q6 halt register
- description: offset to the modem halt register
- description: offset to the nc halt register
memory-region:
items:
- description: MBA reserved region
- description: MPSS reserved region
firmware-name:
$ref: /schemas/types.yaml#/definitions/string-array
items:
- description: Name of MBA firmware
- description: Name of modem firmware
bam-dmux:
$ref: /schemas/net/qcom,bam-dmux.yaml#
description:
Qualcomm BAM Data Multiplexer (provides network interface to the modem)
smd-edge:
$ref: qcom,smd-edge.yaml#
description:
Qualcomm SMD subnode which represents communication edge, channels
and devices related to the DSP.
properties:
label:
enum:
- modem
- hexagon
unevaluatedProperties: false
# Deprecated properties
cx-supply:
description: CX power domain regulator supply (prefer using power-domains)
deprecated: true
mx-supply:
description: MX power domain regulator supply (prefer using power-domains)
deprecated: true
mba:
type: object
additionalProperties: false
description:
MBA reserved region (prefer using memory-region with two items)
properties:
memory-region: true
required:
- memory-region
deprecated: true
mpss:
type: object
additionalProperties: false
description:
MPSS reserved region (prefer using memory-region with two items)
properties:
memory-region: true
required:
- memory-region
deprecated: true
required:
- compatible
- reg
- reg-names
- interrupts
- interrupt-names
- clocks
- clock-names
- pll-supply
- resets
- reset-names
- qcom,halt-regs
- qcom,smem-states
- qcom,smem-state-names
- smd-edge
allOf:
- if:
properties:
compatible:
const: qcom,msm8953-mss-pil
then:
properties:
power-domains:
minItems: 3
power-domain-names:
minItems: 3
required:
- power-domains
- power-domain-names
else:
properties:
power-domains:
maxItems: 2
power-domain-names:
maxItems: 2
- if:
properties:
compatible:
const: qcom,msm8974-mss-pil
then:
required:
- mss-supply
else:
properties:
mss-supply: false
# Fallbacks for deprecated properties
- oneOf:
- required:
- memory-region
- required:
- mba
- mpss
- oneOf:
- required:
- power-domains
- power-domain-names
- required:
- cx-supply
- mx-supply
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-msm8916.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
remoteproc_mpss: remoteproc@4080000 {
compatible = "qcom,msm8916-mss-pil";
reg = <0x04080000 0x100>, <0x04020000 0x40>;
reg-names = "qdsp6", "rmb";
interrupts-extended = <&intc GIC_SPI 24 IRQ_TYPE_EDGE_RISING>,
<&hexagon_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
<&hexagon_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
<&hexagon_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
<&hexagon_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack";
qcom,smem-states = <&hexagon_smp2p_out 0>;
qcom,smem-state-names = "stop";
qcom,halt-regs = <&tcsr 0x18000 0x19000 0x1a000>;
clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
<&gcc GCC_MSS_Q6_BIMC_AXI_CLK>,
<&gcc GCC_BOOT_ROM_AHB_CLK>,
<&xo_board>;
clock-names = "iface", "bus", "mem", "xo";
power-domains = <&rpmpd MSM8916_VDDCX>, <&rpmpd MSM8916_VDDMX>;
power-domain-names = "cx", "mx";
pll-supply = <&pm8916_l7>;
resets = <&scm 0>;
reset-names = "mss_restart";
memory-region = <&mba_mem>, <&mpss_mem>;
smd-edge {
interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
qcom,smd-edge = <0>;
qcom,ipc = <&apcs 8 12>;
qcom,remote-pid = <1>;
label = "hexagon";
};
};
|