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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 14:06:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 14:06:21 -0700 |
commit | 7992893c5a9fdffa42117f6f749359466e06bdf6 (patch) | |
tree | f8b164faacaa001c5d9bfa5d752fd7d8f3dd2260 /Documentation/devicetree | |
parent | 6eb59af580dcffc6f6982ac8ef6d27a1a5f26b27 (diff) | |
parent | 4a99fa06a8ca27a5187636e630568658000af575 (diff) |
Merge tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- alternative reset driver for new at91 SoCs
- misc fixes
* tag 'for-v4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
sbs-battery: fix power status when battery charging near dry
power: ipaq-micro-battery: freeing the wrong variable
power/max8925: freeing wrong variable
power: reset: at91-shdwc: add new shutdown controller driver
ARM: dts: at91: shdwc binding: add new shutdown controller documentation
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-at91.txt | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index 1d8004633479..e1f5ad855f14 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -151,6 +151,65 @@ Example: clocks = <&clk32k>; }; +SHDWC SAMA5D2-Compatible Shutdown Controller + +1) shdwc node + +required properties: +- compatible: should be "atmel,sama5d2-shdwc". +- reg: should contain registers location and length +- clocks: phandle to input clock. +- #address-cells: should be one. The cell is the wake-up input index. +- #size-cells: should be zero. + +optional properties: + +- debounce-delay-us: minimum wake-up inputs debouncer period in + microseconds. It's usually a board-related property. +- atmel,wakeup-rtc-timer: boolean to enable Real-Time Clock wake-up. + +The node contains child nodes for each wake-up input that the platform uses. + +2) input nodes + +Wake-up input nodes are usually described in the "board" part of the Device +Tree. Note also that input 0 is linked to the wake-up pin and is frequently +used. + +Required properties: +- reg: should contain the wake-up input index [0 - 15]. + +Optional properties: +- atmel,wakeup-active-high: boolean, the corresponding wake-up input described + by the child, forces the wake-up of the core power supply on a high level. + The default is to be active low. + +Example: + +On the SoC side: + shdwc@f8048010 { + compatible = "atmel,sama5d2-shdwc"; + reg = <0xf8048010 0x10>; + clocks = <&clk32k>; + #address-cells = <1>; + #size-cells = <0>; + atmel,wakeup-rtc-timer; + }; + +On the board side: + shdwc@f8048010 { + debounce-delay-us = <976>; + + input@0 { + reg = <0>; + }; + + input@1 { + reg = <1>; + atmel,wakeup-active-high; + }; + }; + Special Function Registers (SFR) Special Function Registers (SFR) manage specific aspects of the integrated |