From: Tony Lindgren Date: Wed, 14 May 2014 01:34:09 +0000 (-0700) Subject: mfd: twl4030-power: Add a configuration to turn off oscillator during off-idle X-Git-Tag: omap-for-v3.16/fixes-against-rc1~42^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43fef47f94a1ae46fb2720dada32fa3b5547bee2;p=pandora-kernel.git mfd: twl4030-power: Add a configuration to turn off oscillator during off-idle Some oscillators can be turned off during off-idle saving few a little bit power at the cost of the oscillator start up latency. If you board can do this, you can now enable it by using the ti,twl4030-power-idle-osc-off compatible flag. Signed-off-by: Tony Lindgren Signed-off-by: Lee Jones --- diff --git a/Documentation/devicetree/bindings/mfd/twl4030-power.txt b/Documentation/devicetree/bindings/mfd/twl4030-power.txt index bbd66039202a..b9ee7b98d3e2 100644 --- a/Documentation/devicetree/bindings/mfd/twl4030-power.txt +++ b/Documentation/devicetree/bindings/mfd/twl4030-power.txt @@ -9,6 +9,7 @@ Required properties: "ti,twl4030-power" "ti,twl4030-power-reset" "ti,twl4030-power-idle" + "ti,twl4030-power-idle-osc-off" The use of ti,twl4030-power-reset is recommended at least on 3530 that needs a special configuration for warm reset to work. @@ -16,6 +17,11 @@ The use of ti,twl4030-power-reset is recommended at least on When using ti,twl4030-power-idle, the TI recommended configuration for idle modes is loaded to the tlw4030 PMIC. +When using ti,twl4030-power-idle-osc-off, the TI recommended +configuration is used with the external oscillator being shut +down during off-idle. Note that this does not work on all boards +depending on how the external oscillator is wired. + Optional properties: - ti,use_poweroff: With this flag, the chip will initiates an ACTIVE-to-OFF or SLEEP-to-OFF transition when the system poweroffs. Reading git-diff-tree failed