228 lines
6.3 KiB
YAML
228 lines
6.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/hw-fence.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: HW Fence
|
|
|
|
maintainers:
|
|
- Grace An <quic_gracan@quicinc.com>
|
|
- Kalyan Thota <quic_kalyant@quicinc.com>
|
|
|
|
description: |
|
|
HW Fence implements Linux APIs to initialize, deinitialize, register-for-signal, and
|
|
overall manage the hw-fences, for hw-to-hw communcation between hw cores.
|
|
|
|
properties:
|
|
compatible:
|
|
const: qcom,msm-hw-fence
|
|
|
|
qcom,ipcc-reg:
|
|
description: Registers ranges for ipcc registers.
|
|
|
|
qcom,hw-fence-table-entries:
|
|
description: A u32 indicating number of entries for the hw-fence table
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
qcom,hw-fence-queue-entries:
|
|
description: A u32 indicating default number of entries for the Queues
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
hw_fence@0:
|
|
description: Doorbell configuration to communicate with secondary vm through hypervisor.
|
|
type: object
|
|
properties:
|
|
compatible:
|
|
const: qcom,msm-hw-fence-db
|
|
qcom,master: true
|
|
gunyah-label:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
peer-name:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
hw_fence@1:
|
|
description: |
|
|
Carved-out memory-mapping region, to be used for mapping of global tables and
|
|
queues used by the hw-fence driver and fence controller running in secondary vm.
|
|
type: object
|
|
properties:
|
|
compatible:
|
|
const: qcom,msm-hw-fence-mem
|
|
qcom,master: true
|
|
gunyah-label:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
peer-name:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
shared-buffer:
|
|
$ref: /schemas/types.yaml#/definitions/phandle
|
|
|
|
qcom,hw-fence-ipc-ver:
|
|
description: |
|
|
A u32 indicating ipc version. If not provided in device-tree, this is read from
|
|
the registers.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
|
|
soccp_controller:
|
|
description: phandle for the soccp controller.
|
|
$ref: /schemas/types.yaml#/definitions/phandle
|
|
|
|
interrupts:
|
|
description: Interrupt associated with APSS NS0 (to receive interrupts from SOCCP).
|
|
|
|
interrupt-controller: true
|
|
description: Mark the device node as an interrupt controller.
|
|
|
|
'#interrupt-cells':
|
|
description: Should be one. The first cell is interrupt number.
|
|
const: 1
|
|
|
|
iommus:
|
|
description: Specifies the SID's used by this context bank.
|
|
|
|
patternProperties:
|
|
"qcom,hw\-fence\-client\-type\-+\w":
|
|
description: |
|
|
A list of four u32 describing client properties that
|
|
override default values specified by the driver for some clients.
|
|
$ref: /schemas/types.yaml#/definitions/uint32-array
|
|
items:
|
|
- description: number of clients for given type
|
|
- enum:
|
|
- 1
|
|
- 2
|
|
description: 1 (Tx) or 2 (Rx and Tx)
|
|
- description: number of entries per client queue
|
|
- enum:
|
|
- 0
|
|
- 1
|
|
description: |
|
|
bool indicating whether tx queue wr_idx update is skipped within hw fence
|
|
driver and hfi_header->tx_wm is used instead
|
|
|
|
"qcom,hw\-fence\-client\-type\-+\w+\-extra":
|
|
description: |
|
|
A list of four u32 indicating extra client queue properties.Later u32 values do not need to
|
|
be provided to provide values for earlier u32 values.
|
|
minItems: 1
|
|
maxItems: 4
|
|
$ref: /schemas/types.yaml#/definitions/uint32-array
|
|
items:
|
|
- description: size of padding between queue table header and first queue header in bytes
|
|
- description: size of padding between queue header(s) and first queue payload in bytes
|
|
- description: start_index for TxQ rd_wr_index
|
|
- enum:
|
|
- 0
|
|
- 1
|
|
description: |
|
|
bool indicating whether TxQ rd_wr_idx indexes by payloads instead of
|
|
default dwords
|
|
|
|
required:
|
|
- compatible
|
|
- qcom,ipcc-reg
|
|
- qcom,hw-fence-table-entries
|
|
- qcom,hw-fence-queue-entries
|
|
- hw_fence@1
|
|
|
|
if:
|
|
required:
|
|
- soccp-controller
|
|
then:
|
|
required:
|
|
- interrupts
|
|
- interrupt-controller
|
|
- '#interrupt-cells'
|
|
- iommus
|
|
properties:
|
|
hw_fence@0: false
|
|
else:
|
|
required:
|
|
- hw_fence@0
|
|
properties:
|
|
- interrupts: false
|
|
- interrupt-controller: false
|
|
- '#interrupt-cells': false
|
|
- iommus: false
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
msm_hw_fence: qcom,hw-fence {
|
|
compatible = "qcom,msm-hw-fence";
|
|
status = "ok";
|
|
|
|
qcom,ipcc-reg = <0x400000 0x100000>;
|
|
qcom,hw-fence-table-entries = <8192>;
|
|
qcom,hw-fence-queue-entries = <800>;
|
|
|
|
# time register
|
|
qcom,qtime-reg = <0xC221000 0x1000>;
|
|
|
|
# ipc version
|
|
qcom,hw-fence-ipc-ver = <0x20003>;
|
|
|
|
# client queues: clients_num, queues_num, queue_entries, skip_txq_wr_idx
|
|
qcom,hw-fence-client-type-dpu = <4 2 128 0>;
|
|
qcom,hw-fence-client-type-ife2 = <3 1 64 1>;
|
|
|
|
# extra client queue properties
|
|
qcom,hw-fence-client-type-ife2-extra = <20 28 1 1>;
|
|
|
|
# haven doorbell specific
|
|
hw_fence@0 {
|
|
compatible = "qcom,msm-hw-fence-db";
|
|
qcom,master;
|
|
gunyah-label = <6>;
|
|
peer-name = <3>;
|
|
};
|
|
|
|
# haven io-mem specific
|
|
hw_fence@1 {
|
|
compatible = "qcom,msm-hw-fence-mem";
|
|
qcom,master;
|
|
gunyah-label = <5>;
|
|
peer-name = <3>;
|
|
shared-buffer = <&hwfence_shbuf>;
|
|
};
|
|
};
|
|
|
|
- |
|
|
msm_hw_fence: qcom,hw-fence {
|
|
compatible = "qcom,msm-hw-fence";
|
|
status = "ok";
|
|
|
|
# SOCCP properties
|
|
interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
|
|
interrupt-controller;
|
|
#interrupt-cells = <1>;
|
|
iommus = <&apps_smmu 0x562 0x1>;
|
|
soccp_controller = <&soccp_pas>;
|
|
|
|
qcom,ipcc-reg = <0x400000 0x100000>;
|
|
qcom,hw-fence-table-entries = <8192>;
|
|
qcom,hw-fence-queue-entries = <800>;
|
|
|
|
# time register
|
|
qcom,qtime-reg = <0xC221000 0x1000>;
|
|
|
|
# ipc version
|
|
qcom,hw-fence-ipc-ver = <0x20003>;
|
|
|
|
# base client queue properties
|
|
qcom,hw-fence-client-type-dpu = <4 2 128 0>;
|
|
qcom,hw-fence-client-type-ife2 = <3 1 64 1>;
|
|
|
|
# extra client queue properties
|
|
qcom,hw-fence-client-type-ife2-extra = <20 28 1 1>;
|
|
|
|
# haven io-mem specific
|
|
hw_fence@1 {
|
|
compatible = "qcom,msm-hw-fence-mem";
|
|
qcom,master;
|
|
shared-buffer = <&hwfence_shbuf>;
|
|
};
|
|
};
|
|
...
|