a1131dac0f
git-subtree-dir: qcom/wlan git-subtree-mainline:cc9d84727agit-subtree-split:551f3bbb6a
361 lines
11 KiB
YAML
361 lines
11 KiB
YAML
# Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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title: Connectivity SubSystem Platform Driver
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description:
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Connectivity SubSystem platform driver adds support for the CNSS subsystem
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used for PCIe based Wi-Fi devices. It also adds support to integrate PCIe
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WLAN module to subsystem restart framework. Apart from that, it also manages
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the 3.3V voltage regulator, WLAN Enable GPIO signal and PCIe link dynamically
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with support for suspend and resume by retaining the PCI config space
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states when PCIe link is shutdown. The main purpose of this device tree
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entry below is to invoke the CNSS platform driver and provide handle to
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the WLAN enable GPIO, 3.3V fixed voltage regulator resources. It also
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provides the reserved RAM dump memory location and size.
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properties:
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compatible:
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enum:
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- qcom,cnss #for QCA6174 device
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- qcom,cnss-qca6290 #for QCA6290 device
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- qcom,cnss-qca6390 #for QCA6390 device
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- qcom,cnss-qca6490 #for QCA6490 device
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- qcom,cnss-kiwi #for KIWI device
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- qcom,cnss-qca-converged #for converged QCA devices
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wlan-en-gpio:
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description: WLAN_EN GPIO signal specified by the chip specifications.
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vdd-wlan-supply:
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description: phandle to the regulator device tree node.
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pinctrl-names:
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description: Names corresponding to the numbered pinctrl states.
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pinctrl-<n>:
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description: |
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Pinctrl states as described in
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bindings/pinctrl/pinctrl-bindings.txt.
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qcom,wlan-rc-num:
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description: |
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List of PCIe root complex numbers which WLAN device may
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attach to.
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qcom,wlan:
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description: |
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Signature string for WLAN devices which all CNSS family drivers
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are able to search for.
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mpm_wake_set_gpios:
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description: |
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U32 array of GPIOs which need to be setup for
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interrupt wakeup capable.
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qcom,notify-modem-status:
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description: |
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Boolean property to decide whether modem
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notification should be enabled or not in this
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platform.
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wlan-soc-swreg-supply:
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description: phandle to the external 1.15V regulator for QCA6174.
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wlan-ant-switch-supply:
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description: |
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phandle to the 2.7V regulator for the antenna
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switch of QCA6174.
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qcom,wlan-uart-access:
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description: |
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Boolean property to decide whether QCA6174
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has exclusive access to UART.
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vdd-wlan-io-supply:
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description: phandle to the 1.8V IO regulator for QCA6174.
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vdd-wlan-io12-supply:
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description: phandle to the 1.2V IO regulator for Kiwi.
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vdd-wlan-ant-share-supply:
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description: phandle to the Antenna Sharing regulator.
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vdd-wlan-xtal-supply:
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description: phandle to the 1.8V XTAL regulator for QCA6174.
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vdd-wlan-xtal-aon-supply:
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description: |
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phandle to the LDO-4 regulator. This is needed
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on platforms where XTAL regulator depends on
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always on regulator in VDDmin.
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vdd-wlan-ctrl1-supply:
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description: |
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phandle to the DBU1 - 1.8V for QCA6595 or 3.3V for
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QCA6174 on auto platform.
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vdd-wlan-ctrl2-supply:
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description: |
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phandle to the DBU4 - 2.2V for QCA6595 or 3.85V for
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QCA6696 on auto platform.
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vdd-wlan-core-supply:
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description: phandle to the 1.3V CORE regulator for QCA6174.
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vdd-wlan-sp2t-supply:
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description: phandle to the 2.7V SP2T regulator for QCA6174.
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<supply-name>-supply:
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description: |
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phandle to the regulator device tree node.
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optional "supply-name" is "vdd-wlan-rfa".
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qcom,<supply>-config:
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description: |
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Specifies voltage levels for supply. Should specified
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in pairs (min, max), units uV. There can be optional
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load in uA and Regulator settle delay in us.
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qcom,smmu-s1-enable:
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description: |
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Boolean property to decide whether to enable SMMU
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S1 stage or not.
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qcom,wlan-smmu-iova-address:
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description: |
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I/O virtual address range as <start length>
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format to be used for allocations associated
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between WLAN/PCIe and SMMU.
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qcom,wlan-ramdump-dynamic:
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description: |
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To enable CNSS RAMDUMP collection
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by providing the size of CNSS DUMP.
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qcom,cmd_db_name:
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description: |
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CommandDB name indicating the PMIC rail used for open
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loop CPR.
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reg:
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description: Memory regions defined as starting address and size.
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reg-names:
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description: Names of the memory regions defined in reg entry.
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wlan-bootstrap-gpio:
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description: |
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WLAN_BOOTSTRAP GPIO signal specified by QCA6174
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which should be drived depending on platforms.
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qcom,is-dual-wifi-enabled:
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description: |
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Boolean property to control wlan enable(wlan-en)
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gpio on dual-wifi platforms.
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vdd-wlan-en-supply:
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description: |
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WLAN_EN fixed regulator specified by QCA6174
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specifications.
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qcom,wlan-en-vreg-support:
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description: |
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Boolean property to decide the whether the
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WLAN_EN pin is a gpio or fixed regulator.
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qcom,mhi:
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description: phandle to indicate the device which needs MHI support.
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qcom,cap-tsf-gpio:
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description: |
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WLAN_TSF_CAPTURED GPIO signal specified by the chip
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specifications, should be drived depending on products.
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cnss-daemon-support:
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description: |
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Boolean property to decide whether cnss_daemon
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userspace QMI client is supported.
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use-nv-mac:
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description: Boolean property to indicate whether NV MAC is used or not.
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qcom,set-wlaon-pwr-ctrl:
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description: |
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Boolean property to indicate if set
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WLAON_QFPROM_PWR_CTRL_REG register during power on
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and off sequences.
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use-pm-domain:
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description: |
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Boolean property to indicate if driver needs to use PM
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domain or not.
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qcom,wlan-cbc-enabled:
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description: boolean property to control cold boot calibration.
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interconnects:
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description: Interconnect framework setup for bus configuration.
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interconnect-names:
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description: Interconnect path names as strings.
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qcom,icc-path-count:
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description: Number of Interconnect paths for this platform.
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qcom,bus-bw-cfg-count:
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description: Number of bus bandwidth voting cases.
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qcom,bus-bw-cfg:
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description: Bus bandwidth voting data.
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wlan-txrx-intr-cpumask:
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description: cpumask for wlan tx rx interrupt affinity
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qcom,tcs_offset_int_pow_amp_vreg:
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description: |
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TCS CMD register offset for Voltage
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regulator used in internal power amplifier for QCA6490.
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cnss-enable-self-recovery:
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description: |
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Boolean property to enable self recovery when
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recovery is trigeered with reason link down.
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qcom,bt-en-gpio:
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description: |
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QCA6490 requires synchronization for BT and WLAN GPIO
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enable to resolve PMU power up issues. Provide BT GPIO using
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this config param.
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qcom,same-dt-multi-dev:
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description: |
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Boolean property to decide whether it supports
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multiple WLAN devices using the same DT node
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without sub-nodes.
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qcom,converged-dt:
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description: |
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Boolean property to decide whether it supports multiple
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WLAN devices using the same DT node with sub-nodes.
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mboxes:
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description: Specifies mbox channel data for AOP messaging.
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qcom,vreg_ipa:
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description: |
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Specifies voltage regulator used for WLAN device internal
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power amp config.
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qcom,xo-clk-gpio:
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description: Added for QCA6490 XO CLK selection leakage prevention.
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platform-name-required:
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description: |
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Boolean property to decide whether
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platform name required.
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chip_cfg@X:
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description: represent chip specific configurations
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enum:
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-supported-ids #U32 array to decide which device ids are supported by sub node.
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required:
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- compatible
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- wlan-en-gpio
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- vdd-wlan-supply
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- pinctrl-names
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- pinctrl-<n>
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- qcom,wlan-rc-num
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- qcom,wlan
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examples:
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- |
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qcom,cnss@0d400000 {
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compatible = "qcom,cnss";
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reg = <0x0d400000 0x200000>;
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reg-names = "ramdump";
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qcom,wlan-ramdump-dynamic = <0x200000>;
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wlan-en-gpio = <&msmgpio 82 0>;
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vdd-wlan-supply = <&wlan_vreg>;
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qcom,notify-modem-status;
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wlan-soc-swreg-supply = <&pma8084_l27>;
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pinctrl-names = "default";
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pinctrl-0 = <&cnss_default>;
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qcom,wlan;
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qcom,wlan-rc-num = <0>;
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qcom,wlan-smmu-iova-address = <0 0x10000000>;
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qcom,mhi = <&mhi_wlan>;
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qcom,cap-tsf-gpio = <&tlmm 126 1>;
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};
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wlan: qcom,cnss-qca6490@b0000000 {
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compatible = "qcom,cnss-qca6490";
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reg = <0xb0000000 0x10000>;
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reg-names = "smmu_iova_ipa";
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wlan-en-gpio = <&tlmm 80 0>;
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qcom,bt-en-gpio = <&tlmm 81 0>;
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pinctrl-names = "wlan_en_active", "wlan_en_sleep";
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pinctrl-0 = <&cnss_wlan_en_active>;
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pinctrl-1 = <&cnss_wlan_en_sleep>;
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qcom,wlan;
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qcom,wlan-rc-num = <0>;
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qcom,wlan-ramdump-dynamic = <0x420000>;
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qcom,wlan-cbc-enabled;
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use-pm-domain;
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cnss-enable-self-recovery;
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qcom,same-dt-multi-dev;
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mboxes = <&qmp_aop 0>;
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qcom,vreg_ipa="s3e";
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qcom,xo-clk-gpio = <&tlmm 204 0>;
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vdd-wlan-aon-supply = <&S2E>;
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qcom,vdd-wlan-aon-config = <1012000 1012000 0 0 1>;
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vdd-wlan-dig-supply = <&S11B>;
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qcom,vdd-wlan-dig-config = <966000 966000 0 0 1>;
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vdd-wlan-io-supply = <&S10B>;
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qcom,vdd-wlan-io-config = <1800000 1800000 0 0 1>;
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vdd-wlan-rfa1-supply = <&S1C>;
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qcom,vdd-wlan-rfa1-config = <1900000 2100000 0 0 1>;
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vdd-wlan-rfa2-supply = <&S12B>;
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qcom,vdd-wlan-rfa2-config = <1350000 1350000 0 0 1>;
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wlan-ant-switch-supply = <&L7E>;
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qcom,wlan-ant-switch-config = <2800000 2800000 0 0 1>;
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};
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wlan: qcom,cnss-qca-converged {
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compatible = "qcom,cnss-qca-converged";
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qcom,converged-dt;
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qcom,wlan-sw-ctrl-gpio = <&tlmm 83 0>;
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chip_cfg@0 {
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supported-ids = <0x1103>;
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reg = <0xb0000000 0x10000>;
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reg-names = "smmu_iova_ipa";
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wlan-en-gpio = <&tlmm 80 0>;
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pinctrl-names = "wlan_en_active", "wlan_en_sleep";
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pinctrl-0 = <&cnss_wlan_en_active>;
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pinctrl-1 = <&cnss_wlan_en_sleep>;
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qcom,wlan;
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qcom,wlan-rc-num = <0>;
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qcom,wlan-ramdump-dynamic = <0x780000>;
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qcom,wlan-cbc-enabled;
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use-pm-domain;
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mboxes = <&qmp_aop 0>;
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vdd-wlan-io-supply = <&L15B>;
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qcom,vdd-wlan-io-config = <1800000 1800000 0 0 1>;
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vdd-wlan-supply = <&S5G>;
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qcom,vdd-wlan-config = <1000000 1000000 0 0 1>;
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vdd-wlan-aon-supply = <&S2G>;
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qcom,vdd-wlan-aon-config = <980000 980000 0 0 1>;
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vdd-wlan-dig-supply = <&S4E>;
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qcom,vdd-wlan-dig-config = <950000 950000 0 0 1>;
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vdd-wlan-rfa1-supply = <&S6G>;
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qcom,vdd-wlan-rfa1-config = <1900000 1900000 0 0 1>;
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vdd-wlan-rfa2-supply = <&S4G>;
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qcom,vdd-wlan-rfa2-config = <1350000 1350000 0 0 1>;
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};
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};
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...
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