summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/remoteproc/qcom,adsp-pil.txt
blob: 66af2c30944f4d6e103958ff92921fc1b7f6a668 (plain)
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
Qualcomm Technology Inc. ADSP Peripheral Image Loader

This document defines the binding for a component that loads and boots firmware
on the Qualcomm Technology Inc. ADSP Hexagon core.

- compatible:
	Usage: required
	Value type: <string>
	Definition: must be one of:
		    "qcom,sdm845-adsp-pil"

- reg:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: must specify the base address and size of the qdsp6ss register

- interrupts-extended:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: must list the watchdog, fatal IRQs ready, handover and
		    stop-ack IRQs

- interrupt-names:
	Usage: required
	Value type: <stringlist>
	Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack"

- clocks:
	Usage: required
	Value type: <prop-encoded-array>
	Definition:  List of 8 phandle and clock specifier pairs for the adsp.

- clock-names:
	Usage: required
	Value type: <stringlist>
	Definition: List of clock input name strings sorted in the same
		    order as the clocks property. Definition must have
		    "xo", "sway_cbcr", "lpass_ahbs_aon_cbcr",
		    "lpass_ahbm_aon_cbcr", "qdsp6ss_xo", "qdsp6ss_sleep"
		    and "qdsp6ss_core".

- power-domains:
	Usage: required
	Value type: <phandle>
	Definition: reference to cx power domain node.

- resets:
	Usage: required
	Value type: <phandle>
	Definition: reference to the list of 2 reset-controller for the adsp.

- reset-names:
        Usage: required
        Value type: <stringlist>
        Definition: must be "pdc_sync" and "cc_lpass"

- qcom,halt-regs:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: a phandle reference to a syscon representing TCSR followed
			by the offset within syscon for lpass halt register.

- memory-region:
	Usage: required
	Value type: <phandle>
	Definition: reference to the reserved-memory for the ADSP

- qcom,smem-states:
	Usage: required
	Value type: <phandle>
	Definition: reference to the smem state for requesting the ADSP to
		    shut down

- qcom,smem-state-names:
	Usage: required
	Value type: <stringlist>
	Definition: must be "stop"


= SUBNODES
The adsp node may have an subnode named "glink-edge" that describes the
communication edge, channels and devices related to the ADSP.
See ../soc/qcom/qcom,glink.txt for details on how to describe these.

= EXAMPLE
The following example describes the resources needed to boot control the
ADSP, as it is found on SDM845 boards.

	remoteproc@17300000 {
		compatible = "qcom,sdm845-adsp-pil";
		reg = <0x17300000 0x40c>;

		interrupts-extended = <&intc GIC_SPI 162 IRQ_TYPE_EDGE_RISING>,
			<&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
			<&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
			<&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
			<&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
		interrupt-names = "wdog", "fatal", "ready",
			"handover", "stop-ack";

		clocks = <&rpmhcc RPMH_CXO_CLK>,
			<&gcc GCC_LPASS_SWAY_CLK>,
			<&lpasscc LPASS_Q6SS_AHBS_AON_CLK>,
			<&lpasscc LPASS_Q6SS_AHBM_AON_CLK>,
			<&lpasscc LPASS_QDSP6SS_XO_CLK>,
			<&lpasscc LPASS_QDSP6SS_SLEEP_CLK>,
			<&lpasscc LPASS_QDSP6SS_CORE_CLK>;
		clock-names = "xo", "sway_cbcr",
			"lpass_ahbs_aon_cbcr",
			"lpass_ahbm_aon_cbcr", "qdsp6ss_xo",
			"qdsp6ss_sleep", "qdsp6ss_core";

		power-domains = <&rpmhpd SDM845_CX>;

		resets = <&pdc_reset PDC_AUDIO_SYNC_RESET>,
			 <&aoss_reset AOSS_CC_LPASS_RESTART>;
		reset-names = "pdc_sync", "cc_lpass";

		qcom,halt-regs = <&tcsr_mutex_regs 0x22000>;

		memory-region = <&pil_adsp_mem>;

		qcom,smem-states = <&adsp_smp2p_out 0>;
		qcom,smem-state-names = "stop";
	};