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 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Krait Processor Sub-system (KPSS) Watchdog timer
10   - Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
14     pattern: "^(watchdog|timer)@[0-9a-f]+$"
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-msm8994
25               - qcom,apss-wdt-qcm2290
26               - qcom,apss-wdt-qcs404
27               - qcom,apss-wdt-sa8775p
28               - qcom,apss-wdt-sc7180
29               - qcom,apss-wdt-sc7280
30               - qcom,apss-wdt-sc8180x
31               - qcom,apss-wdt-sc8280xp
32               - qcom,apss-wdt-sdm845
33               - qcom,apss-wdt-sdx55
34               - qcom,apss-wdt-sdx65
35               - qcom,apss-wdt-sm6115
36               - qcom,apss-wdt-sm6350
37               - qcom,apss-wdt-sm8150
38               - qcom,apss-wdt-sm8250
39           - const: qcom,kpss-wdt
40       - const: qcom,kpss-wdt
42       - items:
43           - const: qcom,scss-timer
44           - const: qcom,msm-timer
45       - items:
46           - enum:
47               - qcom,kpss-wdt-apq8064
48               - qcom,kpss-wdt-ipq8064
49               - qcom,kpss-wdt-mdm9615
50               - qcom,kpss-wdt-msm8960
51           - const: qcom,kpss-timer
52           - const: qcom,msm-timer
60   clock-names:
62       - const: sleep
64   clock-frequency:
66       The frequency of the general purpose timer in Hz.
68   cpu-offset:
71       Per-CPU offset used when the timer is accessed without the CPU remapping
72       facilities. The offset is cpu-offset + (0x10000 * cpu-nr).
79   - compatible
80   - reg
81   - clocks
84   - $ref: watchdog.yaml#
86   - if:
90             const: qcom,kpss-wdt
93         clock-frequency: false
94         cpu-offset: false
98             - description: Bark
99             - description: Bite
106             - description: Debug
107             - description: First general purpose timer
108             - description: Second general purpose timer
109             - description: First watchdog
110             - description: Second watchdog
112         - clock-frequency
117   - |
118     #include <dt-bindings/interrupt-controller/arm-gic.h>
121         compatible = "qcom,apss-wdt-sm8150", "qcom,kpss-wdt";
125         timeout-sec = <10>;
128   - |
129     #include <dt-bindings/interrupt-controller/arm-gic.h>
132         compatible = "qcom,kpss-wdt-ipq8064", "qcom,kpss-timer", "qcom,msm-timer";
139         clock-frequency = <25000000>;
141         clock-names = "sleep";
142         cpu-offset = <0x80000>;