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/Documentation/devicetree/bindings/rtc/
Dnvidia,tegra20-rtc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/rtc/nvidia,tegra20-rtc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra real-time clock
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The Tegra RTC maintains seconds and milliseconds counters, and five
16 from low-power state.
21 - const: nvidia,tegra20-rtc
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/Documentation/devicetree/bindings/regulator/
Dnvidia,tegra-regulators-coupling.txt4 NVIDIA Tegra SoC's have a mandatory voltage-coupling between regulators.
5 Thus on Tegra20 there are 3 coupled regulators and on NVIDIA Tegra30
8 Tegra20 voltage coupling
9 ------------------------
11 On Tegra20 SoC's there are 3 coupled regulators: CORE, RTC and CPU.
12 The CORE and RTC voltages shall be in a range of 170mV from each other
16 ------------------------
24 - nvidia,tegra-core-regulator: Boolean property that designates regulator
26 - nvidia,tegra-rtc-regulator: Boolean property that designates regulator
27 as the "RTC domain" voltage regulator.
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/Documentation/devicetree/bindings/power/
Dwakeup-source.txt5 ----------------
7 "wakeup-source" boolean property.
9 If the device is marked as a wakeup-source, interrupt wake capability depends
10 on the device specific "interrupt-names" property. If no interrupts are labeled
22 ---------------------------------------------------------
24 1. "gpio-key,wakeup" Documentation/devicetree/bindings/input/gpio-keys{,-polled}.txt
25 2. "has-tpo" Documentation/devicetree/bindings/rtc/rtc-opal.txt
26 3. "linux,wakeup" Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt
29 4. "linux,keypad-wakeup" Documentation/devicetree/bindings/input/qcom,pm8921-keypad.yaml
30 5. "linux,input-wakeup" Documentation/devicetree/bindings/input/samsung,s3c6410-keypad.yaml
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