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author | Tom Rini <trini@konsulko.com> | 2021-04-13 16:50:45 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2021-04-13 16:50:45 +0300 |
commit | a94ab561e2f49a80d8579930e840b810ab1a1330 (patch) | |
tree | 77913e7bd9309afa6b2ddc6f3e3e49827da2025c /doc | |
parent | 3b676a1662ac6b54d1e97ea40a0c41ee0925ffe3 (diff) | |
parent | 8c4e3b79bd0bb76eea16869e9666e19047c0d005 (diff) | |
download | u-boot-a94ab561e2f49a80d8579930e840b810ab1a1330.tar.xz |
Merge branch '2021-04-13-assorted-improvements'
- A large assortment of bug fixes, code cleanups and a few feature
enhancements.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/device-tree-bindings/arm/arm,scmi.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/arm/arm,scmi.txt b/doc/device-tree-bindings/arm/arm,scmi.txt index 1f293ea24c..a76124f4a3 100644 --- a/doc/device-tree-bindings/arm/arm,scmi.txt +++ b/doc/device-tree-bindings/arm/arm,scmi.txt @@ -62,6 +62,20 @@ Required properties: - #power-domain-cells : Should be 1. Contains the device or the power domain ID value used by SCMI commands. +Regulator bindings for the SCMI Regulator based on SCMI Message Protocol +------------------------------------------------------------ +An SCMI Regulator is permanently bound to a well defined SCMI Voltage Domain, +and should be always positioned as a root regulator. +It does not support any current operation. + +SCMI Regulators are grouped under a 'regulators' node which in turn is a child +of the SCMI Voltage protocol node inside the desired SCMI instance node. + +This binding uses the common regulator binding[6]. + +Required properties: + - reg : shall identify an existent SCMI Voltage Domain. + Sensor bindings for the sensors based on SCMI Message Protocol -------------------------------------------------------------- SCMI provides an API to access the various sensors on the SoC. @@ -105,6 +119,7 @@ Required sub-node properties: [3] Documentation/devicetree/bindings/thermal/thermal.txt [4] Documentation/devicetree/bindings/sram/sram.yaml [5] Documentation/devicetree/bindings/reset/reset.txt +[6] Documentation/devicetree/bindings/regulator/regulator.yaml Example: @@ -169,6 +184,25 @@ firmware { reg = <0x16>; #reset-cells = <1>; }; + + scmi_voltage: protocol@17 { + reg = <0x17>; + + regulators { + regulator_devX: regulator@0 { + reg = <0x0>; + regulator-max-microvolt = <3300000>; + }; + + regulator_devY: regulator@9 { + reg = <0x9>; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <4200000>; + }; + + ... + }; + }; }; }; |