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dt-bindings: input: pm8941-pwrkey: update "reg" property description

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Update the description of "reg" property to add the PON_PBS base
address along with PON_HLOS base address.  Also add "reg-names"
property description.

Change-Id: I8f162d1c221240ee2ef7730081769768b0b0ec7d
This commit is contained in:
David Collins
2021-01-28 14:12:30 -08:00
parent aa88b55da6
commit 4e3952cba7
1 changed files with 26 additions and 4 deletions
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30
bindings/input/qcom,pm8941-pwrkey.txt
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@@ -14,7 +14,18 @@ PROPERTIES
- reg:
Usage: required
Value type: <prop-encoded-array>
Definition: base address of registers for block
Definition: Specifies the SPMI base address for the PON (power-on)
peripheral. For PMICs that have PON peripheral (GEN3) split
into PON_HLOS and PON_PBS (e.g. PMK8350), this can hold
addresses of both PON_HLOS and PON_PBS peripherals.
In that case, the PON_PBS address needs to be specified
to facilitate software debouncing on some PMICs.
- reg-names:
Usage: optional
Value type: <stringlist>
Definition: For PON GEN1 and GEN2, it should be "pon". For PON GEN3, it
should include "pon_hlos" and optionally "pon_pbs".
- interrupts:
Usage: required
@@ -27,13 +38,16 @@ PROPERTIES
Usage: optional
Value type: <u32>
Definition: time in microseconds that key must be pressed or released
for state change interrupt to trigger.
for state change interrupt to trigger. Note that this
property isn't meaningful for PMK8350 or other PON GEN3
PMICs.
- bias-pull-up:
Usage: optional
Value type: <empty>
Definition: presence of this property indicates that the KPDPWR_N pin
should be configured for pull up.
should be configured for pull up. Note that this property
isn't meaningful for PMK8350 or other PON GEN3 PMICs.
- linux,code:
Usage: optional
@@ -43,7 +57,7 @@ PROPERTIES
include/dt-bindings/input/linux-event-codes.h
When property is omitted KEY_POWER is assumed.
EXAMPLE
EXAMPLES
pwrkey@800 {
compatible = "qcom,pm8941-pwrkey";
@@ -53,3 +67,11 @@ EXAMPLE
bias-pull-up;
linux,code = <KEY_POWER>;
};
pwrkey@1300 {
compatible = "qcom,pmk8350-pwrkey";
reg = <0x1300>, <0x800>;
reg-names = "pon_hlos", "pon_pbs";
interrupts = <0x0 0x13 0x7 IRQ_TYPE_EDGE_BOTH>;
linux,code = <KEY_POWER>;
};