Adds new coresight-csr.yaml file describing the bindings required to define csr in the device trees.
Signed-off-by: Mao Jinlong quic_jinlmao@quicinc.com --- .../bindings/arm/qcom,coresight-csr.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/qcom,coresight-csr.yaml
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-csr.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-csr.yaml new file mode 100644 index 000000000000..a79b4f6a8bdf --- /dev/null +++ b/Documentation/devicetree/bindings/arm/qcom,coresight-csr.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +# Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/qcom,coresight-csr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CoreSight Slave Register - TPDA + +description: | + CoreSight Slave Register block hosts miscellaneous configuration registers. + Those configuration registers can be used to control, various coresight + configurations. + +maintainers: + - Mao Jinlong quic_jinlmao@quicinc.com + - Hao Zhang quic_hazha@quicinc.com + +properties: + $nodename: + pattern: "^csr(@[0-9a-f]+)$" + compatible: + items: + - const: qcom,coresight-csr + + reg: + minItems: 1 + maxItems: 2 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: apb_pclk + + qcom,set-byte-cntr-support: + $ref: /schemas/types.yaml#/definitions/flag + description: + If set, indicates that CSR supports to set ETR_IRQ_CTRL register. + +required: + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + # minimum CSR definition. + - | + csr@10001000 { + compatible = "qcom,coresight-csr"; + reg = <0 0x10001000 0 0x1000>; + + clocks = <&aoss_qmp>; + clock-names = "apb_pclk"; + qcom,set-byte-cntr-support; + }; + +...