diff options
Diffstat (limited to 'Documentation/devicetree')
8 files changed, 100 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml index 2a91670ccb8c..949444aba1f8 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml @@ -128,6 +128,9 @@ properties: "#address-cells": const: 1 + access-controllers: + maxItems: 1 + patternProperties: '^trig-conns@([0-9]+)$': type: object diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml index b74db15e5f8a..b0693cd46d27 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml @@ -78,6 +78,9 @@ properties: description: Output connection to CoreSight Trace bus $ref: /schemas/graph.yaml#/properties/port + access-controllers: + maxItems: 1 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml index 71f2e1ed27e5..10ebbbeadf93 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml @@ -118,6 +118,9 @@ properties: description: Output connection from the ETM to CoreSight Trace bus. $ref: /schemas/graph.yaml#/properties/port + access-controllers: + maxItems: 1 + required: - compatible - clocks diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml index 378380c3f5aa..f243e76f597f 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-stm.yaml @@ -73,6 +73,9 @@ properties: description: Output connection to the CoreSight Trace bus. $ref: /schemas/graph.yaml#/properties/port + access-controllers: + maxItems: 1 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml index 96dd5b5f771a..9dc096698c65 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml @@ -128,6 +128,9 @@ properties: - const: tracedata - const: metadata + access-controllers: + maxItems: 1 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml index a207f6899e67..29bbc3961fdf 100644 --- a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml +++ b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml @@ -70,6 +70,9 @@ properties: description: Input connection from the CoreSight Trace bus. $ref: /schemas/graph.yaml#/properties/port + access-controllers: + maxItems: 1 + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml new file mode 100644 index 000000000000..6c74433efbe3 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/st,stm32mp131-dbg-bus.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/st,stm32mp131-dbg-bus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STM32 Coresight bus + +maintainers: + - Gatien Chevallier <gatien.chevallier@foss.st.com> + +description: + The STM32 debug bus is in charge of checking the debug configuration + of the platform before probing the peripheral drivers that rely on the debug + domain. + +properties: + compatible: + items: + - enum: + - st,stm32mp131-dbg-bus + - st,stm32mp151-dbg-bus + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: + minItems: 1 + maxItems: 2 + + "#access-controller-cells": + const: 1 + description: + Contains the debug profile necessary to access the peripheral. + +patternProperties: + "@[0-9a-f]+$": + description: Debug related peripherals + type: object + + additionalProperties: true + + required: + - access-controllers + +required: + - "#access-controller-cells" + - "#address-cells" + - "#size-cells" + - compatible + - ranges + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/stm32mp1-clks.h> + + dbg_bus: bus@50080000 { + compatible = "st,stm32mp131-dbg-bus"; + #address-cells = <1>; + #size-cells = <1>; + #access-controller-cells = <1>; + ranges = <0x50080000 0x50080000 0x3f80000>; + + cti@50094000 { + compatible = "arm,coresight-cti", "arm,primecell"; + reg = <0x50094000 0x1000>; + clocks = <&rcc CK_DBG>; + clock-names = "apb_pclk"; + access-controllers = <&dbg_bus 0>; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml index 845b6b7b7552..8f8b4b68aaa3 100644 --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-hdp.yaml @@ -27,6 +27,12 @@ properties: clocks: maxItems: 1 + access-controllers: + minItems: 1 + items: + - description: debug configuration access controller + - description: access controller that manages the HDP as a peripheral + patternProperties: "^hdp[0-7]-pins$": type: object |