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author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-03 10:25:36 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-04 08:40:36 +0100 |
commit | 0ff58575c9d66f660886387c2e68d8c5c724e87b (patch) | |
tree | 4a889d1478da83ae46db96f5c049872cdb90eeb6 /dts/Bindings/soc/qcom/qcom,smd-rpm.txt | |
parent | a0da52f83c36a81984e0fca4b75d522b955df267 (diff) | |
download | barebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.gz barebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.xz |
dts: update to v4.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/soc/qcom/qcom,smd-rpm.txt')
-rw-r--r-- | dts/Bindings/soc/qcom/qcom,smd-rpm.txt | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/dts/Bindings/soc/qcom/qcom,smd-rpm.txt b/dts/Bindings/soc/qcom/qcom,smd-rpm.txt new file mode 100644 index 0000000000..a48049ccf6 --- /dev/null +++ b/dts/Bindings/soc/qcom/qcom,smd-rpm.txt @@ -0,0 +1,58 @@ +Qualcomm Resource Power Manager (RPM) over SMD + +This driver is used to interface with the Resource Power Manager (RPM) found in +various Qualcomm platforms. The RPM allows each component in the system to vote +for state of the system resources, such as clocks, regulators and bus +frequencies. + +The SMD information for the RPM edge should be filled out. See qcom,smd.txt for +the required edge properties. All SMD related properties will reside within the +RPM node itself. + += SUBDEVICES + +The RPM exposes resources to its subnodes. The rpm_requests node must be +present and this subnode may contain children that designate regulator +resources. + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,rpm-apq8084" + "qcom,rpm-msm8916" + "qcom,rpm-msm8974" + +- qcom,smd-channels: + Usage: required + Value type: <string> + Definition: must be "rpm_requests" + +Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt +for information on the regulator subnodes that can exist under the rpm_requests. + +Example: + + soc { + apcs: syscon@f9011000 { + compatible = "syscon"; + reg = <0xf9011000 0x1000>; + }; + }; + + smd { + compatible = "qcom,smd"; + + rpm { + interrupts = <0 168 1>; + qcom,ipc = <&apcs 8 0>; + qcom,smd-edge = <15>; + + rpm_requests { + compatible = "qcom,rpm-msm8974"; + qcom,smd-channels = "rpm_requests"; + + ... + }; + }; + }; |