diff options
Diffstat (limited to 'dts/Bindings/i3c/i3c.yaml')
| -rw-r--r-- | dts/Bindings/i3c/i3c.yaml | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/dts/Bindings/i3c/i3c.yaml b/dts/Bindings/i3c/i3c.yaml index 1f82fc9237..113957ebe9 100644 --- a/dts/Bindings/i3c/i3c.yaml +++ b/dts/Bindings/i3c/i3c.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/i3c/i3c.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: I3C bus binding +title: I3C bus maintainers: - Alexandre Belloni <alexandre.belloni@bootlin.com> @@ -17,7 +17,7 @@ description: | properties: $nodename: - pattern: "^i3c-master@[0-9a-f]+$" + pattern: "^i3c@[0-9a-f]+$" "#address-cells": const: 3 @@ -55,6 +55,12 @@ properties: May not be supported by all controllers. + mctp-controller: + type: boolean + description: | + Indicates that the system is accessible via this bus as an endpoint for + MCTP over I3C transport. + required: - "#address-cells" - "#size-cells" @@ -65,7 +71,7 @@ patternProperties: description: | I2C child, should be named: <device-type>@<i2c-address> - All properties described in Documentation/devicetree/bindings/i2c/i2c.txt + All properties described in dtschema schemas/i2c/i2c-controller.yaml are valid here, except the reg property whose content is changed. properties: @@ -119,12 +125,12 @@ patternProperties: minimum: 0 maximum: 0x7f - description: | - First half of the Provisional ID (following the PID + First half of the Provisioned ID (following the PID definition provided by the I3C specification). Contains the manufacturer ID left-shifted by 1. - description: | - Second half of the Provisional ID (following the PID + Second half of the Provisioned ID (following the PID definition provided by the I3C specification). Contains the ORing of the part ID left-shifted by 16, @@ -135,9 +141,10 @@ patternProperties: minimum: 0x1 maximum: 0xff description: | - Dynamic address to be assigned to this device. This property is only - valid if the I3C device has a static address (first cell of the reg - property != 0). + Dynamic address to be assigned to this device. In case static address is + present (first cell of the reg property != 0), this address is assigned + through SETDASA. If static address is not present, this address is assigned + through SETNEWDA after assigning a temporary address via ENTDAA. required: - reg @@ -146,7 +153,7 @@ additionalProperties: true examples: - | - i3c-master@d040000 { + i3c@d040000 { compatible = "cdns,i3c-master"; clocks = <&coreclock>, <&i3csysclock>; clock-names = "pclk", "sysclk"; @@ -163,12 +170,18 @@ examples: pagesize = <0x8>; }; - /* I3C device with a static I2C address. */ + /* I3C device with a static I2C address and assigned address. */ thermal_sensor: sensor@68,39200144004 { reg = <0x68 0x392 0x144004>; assigned-address = <0xa>; }; + /* I3C device with only assigned address. */ + pressure_sensor: sensor@0,39200124004 { + reg = <0x0 0x392 0x124000>; + assigned-address = <0xc>; + }; + /* * I3C device without a static I2C address but requiring * resources described in the DT. |