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author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-09-29 14:38:07 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-09-29 14:38:07 +0200 |
commit | d9a15385467936649b6c2cfeb7ab377002ddce0f (patch) | |
tree | 39175107fc884a29fbba83f47d104f493833fe19 /dts/Bindings/arm/arm,scpi.txt | |
parent | bfe946c9593513b0ad1b440bcd997b263487b945 (diff) | |
download | barebox-d9a15385467936649b6c2cfeb7ab377002ddce0f.tar.gz barebox-d9a15385467936649b6c2cfeb7ab377002ddce0f.tar.xz |
dts: update to v4.8-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/arm,scpi.txt')
-rw-r--r-- | dts/Bindings/arm/arm,scpi.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dts/Bindings/arm/arm,scpi.txt b/dts/Bindings/arm/arm,scpi.txt index 313dabdc14..faa4b44572 100644 --- a/dts/Bindings/arm/arm,scpi.txt +++ b/dts/Bindings/arm/arm,scpi.txt @@ -87,10 +87,33 @@ Required properties: implementation for the IDs to use. For Juno R0 and Juno R1 refer to [3]. +Power domain bindings for the power domains based on SCPI Message Protocol +------------------------------------------------------------ + +This binding uses the generic power domain binding[4]. + +PM domain providers +=================== + +Required properties: + - #power-domain-cells : Should be 1. Contains the device or the power + domain ID value used by SCPI commands. + - num-domains: Total number of power domains provided by SCPI. This is + needed as the SCPI message protocol lacks a mechanism to + query this information at runtime. + +PM domain consumers +=================== + +Required properties: + - power-domains : A phandle and PM domain specifier as defined by bindings of + the power controller specified by phandle. + [0] http://infocenter.arm.com/help/topic/com.arm.doc.dui0922b/index.html [1] Documentation/devicetree/bindings/clock/clock-bindings.txt [2] Documentation/devicetree/bindings/thermal/thermal.txt [3] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0922b/apas03s22.html +[4] Documentation/devicetree/bindings/power/power_domain.txt Example: @@ -144,6 +167,12 @@ scpi_protocol: scpi@2e000000 { compatible = "arm,scpi-sensors"; #thermal-sensor-cells = <1>; }; + + scpi_devpd: scpi-power-domains { + compatible = "arm,scpi-power-domains"; + num-domains = <2>; + #power-domain-cells = <1>; + }; }; cpu@0 { @@ -156,6 +185,7 @@ hdlcd@7ff60000 { ... reg = <0 0x7ff60000 0 0x1000>; clocks = <&scpi_clk 4>; + power-domains = <&scpi_devpd 1>; }; thermal-zones { @@ -186,3 +216,7 @@ The thermal-sensors property in the soc_thermal node uses the temperature sensor provided by SCP firmware to setup a thermal zone. The ID "3" is the sensor identifier for the temperature sensor as used by the firmware. + +The num-domains property in scpi-power-domains domain specifies that +SCPI provides 2 power domains. The hdlcd node uses the power domain with +domain ID 1. |