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The 'local-bd-address' property is used to pass a unique Bluetooth device address from the boot firmware to the kernel and should otherwise be left unset. Update the example to reduce the risk that a non-zero address will be used by default in some devicetree. Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240501075005.4588-1-johan+linaro@kernel.org Signed-off-by: Bjorn Andersson <andersson@kernel.org>
135 lines
3.2 KiB
YAML
135 lines
3.2 KiB
YAML
# 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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$id: http://devicetree.org/schemas/soc/qcom/qcom,wcnss.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm WCNSS
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maintainers:
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- Andy Gross <agross@kernel.org>
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- Bjorn Andersson <bjorn.andersson@linaro.org>
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description:
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The Qualcomm WCNSS hardware consists of control block and a BT, WiFi and FM
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radio block, all using SMD as command channels.
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properties:
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compatible:
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const: qcom,wcnss
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firmware-name:
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$ref: /schemas/types.yaml#/definitions/string
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default: wlan/prima/WCNSS_qcom_wlan_nv.bin
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description:
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Relative firmware image path for the WLAN NV blob.
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qcom,mmio:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: |
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Reference to a node specifying the wcnss "ccu" and "dxe" register blocks.
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The node must be compatible with one of the following::
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- qcom,riva"
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- qcom,pronto"
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qcom,smd-channels:
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$ref: /schemas/types.yaml#/definitions/string
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const: WCNSS_CTRL
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description:
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Standard SMD property specifying the SMD channel used for communication
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with the WiFi firmware.
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bluetooth:
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type: object
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additionalProperties: false
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allOf:
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- $ref: /schemas/net/bluetooth/bluetooth-controller.yaml#
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properties:
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compatible:
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const: qcom,wcnss-bt
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local-bd-address: true
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required:
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- compatible
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wifi:
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additionalProperties: false
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type: object
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properties:
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compatible:
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const: qcom,wcnss-wlan
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interrupts:
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maxItems: 2
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interrupt-names:
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items:
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- const: tx
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- const: rx
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qcom,smem-states:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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maxItems: 2
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description:
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Should reference the tx-enable and tx-rings-empty SMEM states.
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qcom,smem-state-names:
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items:
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- const: tx-enable
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- const: tx-rings-empty
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description:
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Names of SMEM states.
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required:
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- compatible
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- interrupts
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- interrupt-names
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- qcom,smem-states
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- qcom,smem-state-names
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required:
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- compatible
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- qcom,mmio
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- qcom,smd-channels
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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smd-edge {
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interrupts = <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>;
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qcom,ipc = <&apcs 8 17>;
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qcom,smd-edge = <6>;
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qcom,remote-pid = <4>;
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label = "pronto";
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wcnss {
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compatible = "qcom,wcnss";
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qcom,smd-channels = "WCNSS_CTRL";
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qcom,mmio = <&pronto>;
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bluetooth {
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compatible = "qcom,wcnss-bt";
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/* Updated by boot firmware (little-endian order) */
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local-bd-address = [ 00 00 00 00 00 00 ];
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};
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wifi {
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compatible = "qcom,wcnss-wlan";
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interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "tx", "rx";
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qcom,smem-states = <&apps_smsm 10>, <&apps_smsm 9>;
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qcom,smem-state-names = "tx-enable", "tx-rings-empty";
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};
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};
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};
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