8b14c94855
Add MHI device related DT bindings on sdxkova. Change-Id: I4bbdfc6e29555d6011cd474f5d0e54d9cd6517d7 Signed-off-by: Anvita T <quic_atadepal@quicinc.com>
113 lines
3.3 KiB
YAML
113 lines
3.3 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/pci/qcom,msm_mhi_dev.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Qualcomm Technologies, Inc. (QTI) MSM MHI Device
|
|
|
|
maintainers:
|
|
- Anvita T <quic_atadepal@quicinc.com>
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- qcom,msm-mhi-dev
|
|
|
|
reg:
|
|
minItems: 1
|
|
items:
|
|
- description: MHI MMIO physical register space.
|
|
- description: IPA uC Command Ring doorbell mail box address.
|
|
- description: IPA uC Event Ring doorbell mail box address.
|
|
|
|
reg-names:
|
|
minItems: 1
|
|
items:
|
|
- const: mhi_mmio_base
|
|
- const: ipa_uc_mbox_crdb
|
|
- const: ipa_uc_mbox_erdb
|
|
|
|
interrupts:
|
|
items:
|
|
- description: Interrupt line for the device.
|
|
|
|
interrupt-names:
|
|
items:
|
|
- const: mhi-device-inta
|
|
|
|
qcom,mhi-ifc-id:
|
|
description: ID of HW interface via which MHI on device side communicates with host side.
|
|
|
|
qcom,mhi-ep-msi:
|
|
description: End point MSI number.
|
|
|
|
qcom,mhi-version:
|
|
description: MHI specification version supported by the device.
|
|
|
|
qcom,use-mhi-dma-software-channel:
|
|
description: Uses IPA hardware accelerated path for MHI software channel data transfers between host and device.
|
|
|
|
qcom,mhi-config-iatu:
|
|
description: Maps the control and data region between host and device using iatu.
|
|
|
|
qcom,mhi-interrupt:
|
|
description: Registers for mhi interrupt.
|
|
|
|
qcom,mhi-local-pa-base:
|
|
description: The physical base address on the device used by the MHI device driver to map
|
|
the control and data region with the MHI driver on the host. This property is
|
|
required if iatu property qcom,mhi-config-iatu is present.
|
|
|
|
qcom,enable-m2:
|
|
description: M2 autonomous is enabled.
|
|
|
|
qcom,mhi-has-smmu:
|
|
description: Uses mapped address to route the doorbell addresses to IPA.
|
|
|
|
qcom,mhi-num-ipc-pages-dev-fac:
|
|
description: Reduces the MHI ipc logging size based on the divisor factor.
|
|
This property also represents the divisor factor.
|
|
|
|
qcom,no-m0-timeout:
|
|
description: Device waits for M0 state without any timeout period.
|
|
|
|
mhi-virt-device-int-x:
|
|
description: To be used if the target supports virtual functions.
|
|
The property lists the interrupt number for the virtual functions.
|
|
Replace x with the appropriate interrupt number.
|
|
|
|
qcom,use-pcie-edma:
|
|
description: Uses eDMA as DMA for MHI software channel data transfers between host and device.
|
|
|
|
qcom,mhi-chan-hw-base:
|
|
description: If the target uses any other h/w channel than ch-100 as the start of the hardware
|
|
accelerated channel, then use this property to mention the start h/w channel.
|
|
|
|
qcom,mhi-is-flashless:
|
|
description: If the target uses flashless boot (boot over PCIe) then mention this property.
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- reg-names
|
|
- qcom,mhi-ifc-id
|
|
- qcom,mhi-ep-msi
|
|
- qcom,mhi-version
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
mhi: qcom,msm-mhi-dev {
|
|
compatible = "qcom,msm-mhi-dev";
|
|
reg = <0xfc527000 0x1000>,
|
|
<0xfd4fa000 0x1>,
|
|
<0xfd4fa080 0x1>;
|
|
reg-names = "mhi_mmio_base", "ipa_uc_mbox_crdb","ipa_uc_mbox_erdb";
|
|
qcom,mhi-ifc-id = <0x030017cb>;
|
|
qcom,mhi-ep-msi = <1>;
|
|
qcom,mhi-version = <0x1000000>;
|
|
};
|
|
|