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dt-bindings: soc: qcom: pmic-pon-log: define bindings for multiple nvmem

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On some PMICs, the PON log is split between multiple NVMEM devices
to allow for more entries.  Define bindings so that multiple NVMEM
devices can be specified to support this situation.

Change-Id: Iead92ebd51473370fb5205e3fe9fe1a3a50eeb07
This commit is contained in:
David Collins
2022-02-02 17:53:13 -08:00
committed by Gerrit - the friendly Code Review server
parent 0a6e05e965
commit 95022ca5c3
1 changed files with 11 additions and 3 deletions
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14
bindings/soc/qcom/qcom,pmic-pon-log.txt
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@@ -12,12 +12,14 @@ PON Log device accesses this log and parses it into a human readable format.
- nvmem:
Usage: required
Value type: <phandle-list>
Definition: phandle of the PMIC nvmem device containing the PON log
Definition: phandle list of the PMIC nvmem devices containing the PON
log.
- nvmem-names:
Usage: required
Value type: <stringlist>
Definition: must be "pon_log"
Definition: must be "pon_log" if using a single nvmem device or
"pon_log0", "pon_log1", etc if using multiple nvmem devices.
- qcom,pmic-fault-panic:
Usage: optional
@@ -26,10 +28,16 @@ PON Log device accesses this log and parses it into a human readable format.
controlled panic shutdown if the preceding restart was
caused by a PMIC fault.
Example:
Examples:
pmic-pon-log {
compatible = "qcom,pmic-pon-log";
nvmem = <&pmk8350_sdam_5>;
nvmem-names = "pon_log";
};
pmic-pon-log {
compatible = "qcom,pmic-pon-log";
nvmem = <&pmk8550_sdam_5>, <&pmk8550_sdam_6>;
nvmem-names = "pon_log0", "pon_log1";
};