diff options
Diffstat (limited to 'Documentation/devicetree/bindings/i3c')
6 files changed, 104 insertions, 19 deletions
diff --git a/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml new file mode 100644 index 000000000000..47be5d9a32d4 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i3c/aspeed,ast2600-i3c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 i3c controller + +maintainers: + - Jeremy Kerr <jk@codeconstruct.com.au> + +allOf: + - $ref: i3c.yaml# + +properties: + compatible: + const: aspeed,ast2600-i3c + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + interrupts: + maxItems: 1 + + sda-pullup-ohms: + enum: [545, 750, 2000] + default: 2000 + description: | + Value to configure SDA pullup resistor, in Ohms. + + aspeed,global-regs: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to i3c global register syscon node + - description: index of this i3c controller in the global register set + description: | + A (phandle, controller index) reference to the i3c global register set + used for this device. + +required: + - compatible + - reg + - clocks + - interrupts + - aspeed,global-regs + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i3c@2000 { + compatible = "aspeed,ast2600-i3c"; + reg = <0x2000 0x1000>; + #address-cells = <3>; + #size-cells = <0>; + clocks = <&syscon 0>; + resets = <&syscon 0>; + aspeed,global-regs = <&i3c_global 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i3c1_default>; + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>; + }; +... diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml index cc40d25358ec..cad6d53d0e2e 100644 --- a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml +++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.yaml @@ -41,7 +41,7 @@ unevaluatedProperties: false examples: - | - i3c-master@d040000 { + i3c@d040000 { compatible = "cdns,i3c-master"; clocks = <&coreclock>, <&i3csysclock>; clock-names = "pclk", "sysclk"; diff --git a/Documentation/devicetree/bindings/i3c/i3c.yaml b/Documentation/devicetree/bindings/i3c/i3c.yaml index 1f82fc923799..113957ebe9f1 100644 --- a/Documentation/devicetree/bindings/i3c/i3c.yaml +++ b/Documentation/devicetree/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. diff --git a/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml b/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml index 04da001fc6ec..39bb1a1784c9 100644 --- a/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml +++ b/Documentation/devicetree/bindings/i3c/mipi-i3c-hci.yaml @@ -1,10 +1,10 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/i3c/mipi-i3c-hci.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/i3c/mipi-i3c-hci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# -title: MIPI I3C HCI Device Tree Bindings +title: MIPI I3C HCI maintainers: - Nicolas Pitre <npitre@baylibre.com> @@ -43,7 +43,7 @@ unevaluatedProperties: false examples: - | - i3c-master@a0000000 { + i3c@a0000000 { compatible = "mipi-i3c-hci"; reg = <0xa0000000 0x2000>; interrupts = <89>; diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml index 62f3ca66274f..c56ff77677f1 100644 --- a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml +++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml @@ -10,7 +10,7 @@ maintainers: - Conor Culhane <conor.culhane@silvaco.com> allOf: - - $ref: "i3c.yaml#" + - $ref: i3c.yaml# properties: compatible: @@ -44,11 +44,11 @@ required: - clock-names - clocks -additionalProperties: true +unevaluatedProperties: false examples: - | - i3c-master@a0000000 { + i3c@a0000000 { compatible = "silvaco,i3c-master-v1"; clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>; clock-names = "pclk", "fast_clk", "slow_clk"; diff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml index 7a76fd32962a..c0e805e531be 100644 --- a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml +++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.yaml @@ -35,7 +35,7 @@ unevaluatedProperties: false examples: - | - i3c-master@2000 { + i3c@2000 { compatible = "snps,dw-i3c-master-1.00a"; #address-cells = <3>; #size-cells = <0>; |