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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2020-07-21 19:02:33 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2020-07-21 19:02:33 -0700
commit9b031c86506cef9acae45e61339fcf9deaabb793 (patch)
tree9095d638ba9384f86df8d61dcf1f129c082481e1 /Documentation/devicetree/bindings/arm/bcm/brcm,nsp-cpu-method.txt
parent53aab92dec447f93489e07924e310d605a389dea (diff)
parent04d5ce620f794f1df69b5f1b9ad62910fea547f1 (diff)
downloadlinux-9b031c86506cef9acae45e61339fcf9deaabb793.tar.bz2
Merge branch 'elan-i2c' into next
Bring in update to Elan touchpad driver to support newer touchpads with higher resolution.
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-Broadcom Northstar Plus SoC CPU Enable Method
----------------------------------------------
-This binding defines the enable method used for starting secondary
-CPU in the following Broadcom SoCs:
- BCM58522, BCM58525, BCM58535, BCM58622, BCM58623, BCM58625, BCM88312
-
-The enable method is specified by defining the following required
-properties in the corresponding secondary "cpu" device tree node:
- - enable-method = "brcm,bcm-nsp-smp";
- - secondary-boot-reg = <...>;
-
-The secondary-boot-reg property is a u32 value that specifies the
-physical address of the register which should hold the common
-entry point for a secondary CPU. This entry is cpu node specific
-and should be added per cpu. E.g., in case of NSP (BCM58625) which
-is a dual core CPU SoC, this entry should be added to cpu1 node.
-
-
-Example:
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
-
- cpu0: cpu@0 {
- device_type = "cpu";
- compatible = "arm,cortex-a9";
- next-level-cache = <&L2>;
- reg = <0>;
- };
-
- cpu1: cpu@1 {
- device_type = "cpu";
- compatible = "arm,cortex-a9";
- next-level-cache = <&L2>;
- enable-method = "brcm,bcm-nsp-smp";
- secondary-boot-reg = <0xffff042c>;
- reg = <1>;
- };
- };