bindings/watchdog/qcom-wdt.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/qcom-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Krait Processor Sub-system (KPSS) Watchdog timer
10   - Rajendra Nayak <quic_rjendra@quicinc.com>
14     pattern: "^(watchdog|timer)@[0-9a-f]+$"
18       - items:
19           - enum:
20               - qcom,kpss-wdt-ipq4019
21               - qcom,apss-wdt-ipq5018
22               - qcom,apss-wdt-ipq5332
23               - qcom,apss-wdt-ipq9574
24               - qcom,apss-wdt-msm8226
25               - qcom,apss-wdt-msm8974
26               - qcom,apss-wdt-msm8994
27               - qcom,apss-wdt-qcm2290
28               - qcom,apss-wdt-qcs404
29               - qcom,apss-wdt-sa8255p
30               - qcom,apss-wdt-sa8775p
31               - qcom,apss-wdt-sc7180
32               - qcom,apss-wdt-sc7280
33               - qcom,apss-wdt-sc8180x
34               - qcom,apss-wdt-sc8280xp
35               - qcom,apss-wdt-sdm845
36               - qcom,apss-wdt-sdx55
37               - qcom,apss-wdt-sdx65
38               - qcom,apss-wdt-sm6115
39               - qcom,apss-wdt-sm6350
40               - qcom,apss-wdt-sm8150
41               - qcom,apss-wdt-sm8250
42           - const: qcom,kpss-wdt
43       - const: qcom,kpss-wdt
45       - items:
46           - const: qcom,scss-timer
47           - const: qcom,msm-timer
48       - items:
49           - enum:
50               - qcom,kpss-wdt-apq8064
51               - qcom,kpss-wdt-ipq8064
52               - qcom,kpss-wdt-mdm9615
53               - qcom,kpss-wdt-msm8960
54           - const: qcom,kpss-timer
55           - const: qcom,msm-timer
63   clock-names:
65       - const: sleep
67   clock-frequency:
69       The frequency of the general purpose timer in Hz.
71   cpu-offset:
74       Per-CPU offset used when the timer is accessed without the CPU remapping
75       facilities. The offset is cpu-offset + (0x10000 * cpu-nr).
82   - compatible
83   - reg
84   - clocks
87   - $ref: watchdog.yaml#
89   - if:
93             const: qcom,kpss-wdt
96         clock-frequency: false
97         cpu-offset: false
101             - description: Bark
102             - description: Bite
109             - description: Debug
110             - description: First general purpose timer
111             - description: Second general purpose timer
112             - description: First watchdog
113             - description: Second watchdog
115         - clock-frequency
120   - |
121     #include <dt-bindings/interrupt-controller/arm-gic.h>
123     watchdog@17c10000 {
124         compatible = "qcom,apss-wdt-sm8150", "qcom,kpss-wdt";
128         timeout-sec = <10>;
131   - |
132     #include <dt-bindings/interrupt-controller/arm-gic.h>
134     watchdog@200a000 {
135         compatible = "qcom,kpss-wdt-ipq8064", "qcom,kpss-timer", "qcom,msm-timer";
142         clock-frequency = <25000000>;
144         clock-names = "sleep";
145         cpu-offset = <0x80000>;