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author | Mark Brown <broonie@kernel.org> | 2018-05-02 05:57:15 +0900 |
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committer | Mark Brown <broonie@kernel.org> | 2018-05-02 05:57:15 +0900 |
commit | 44bd79f56175b3f959b726c7b64b33355acb1e4f (patch) | |
tree | 4a9484166aa378160e53c2108f19f5ef979af6e8 /Documentation | |
parent | 1f5d6462b5856ddd44d4500ac80b7862faff351b (diff) | |
parent | 6eb0bfae6973eb6a7790f9d21e294022fe2da6ad (diff) | |
download | linux-44bd79f56175b3f959b726c7b64b33355acb1e4f.tar.bz2 |
Merge branch 'topic/bd9571mwv' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-4.18
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/bd9571mwv.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt index 9ab216a851d5..25d1f697eb25 100644 --- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt +++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt @@ -25,6 +25,25 @@ Required properties: Each child node is defined using the standard binding for regulators. +Optional properties: + - rohm,ddr-backup-power : Value to use for DDR-Backup Power (default 0). + This is a bitmask that specifies which DDR power + rails need to be kept powered when backup mode is + entered, for system suspend: + - bit 0: DDR0 + - bit 1: DDR1 + - bit 2: DDR0C + - bit 3: DDR1C + These bits match the KEEPON_DDR* bits in the + documentation for the "BKUP Mode Cnt" register. + - rohm,rstbmode-level: The RSTB signal is configured for level mode, to + accommodate a toggle power switch (the RSTBMODE pin is + strapped low). + - rohm,rstbmode-pulse: The RSTB signal is configured for pulse mode, to + accommodate a momentary power switch (the RSTBMODE pin + is strapped high). + The two properties above are mutually exclusive. + Example: pmic: pmic@30 { @@ -36,6 +55,8 @@ Example: #interrupt-cells = <2>; gpio-controller; #gpio-cells = <2>; + rohm,ddr-backup-power = <0xf>; + rohm,rstbmode-pulse; regulators { dvfs: dvfs { |