diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/bd9571mwv.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/bd9571mwv.txt | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt index 9ab216a851d5..8c4678650d1a 100644 --- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt +++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt @@ -3,7 +3,6 @@ Required properties: - compatible : Should be "rohm,bd9571mwv". - reg : I2C slave address. - - interrupt-parent : Phandle to the parent interrupt controller. - interrupts : The interrupt line the device is connected to. - interrupt-controller : Marks the device node as an interrupt controller. - #interrupt-cells : The number of cells to describe an IRQ, should be 2. @@ -25,6 +24,25 @@ 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 +54,8 @@ Example: #interrupt-cells = <2>; gpio-controller; #gpio-cells = <2>; + rohm,ddr-backup-power = <0xf>; + rohm,rstbmode-pulse; regulators { dvfs: dvfs { |