AVM Fritzbox router boards may contain an additional ATH79 based SoC that has the wifi cards connected. This patch adds bindings for this remote processor. Signed-off-by: Daniel Kestrel <kestrelseventyfour@xxxxxxxxx> --- .../bindings/remoteproc/avm,wasp-rproc.yaml | 93 +++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml new file mode 100644 index 000000000000..21f3bbcc4202 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/avm,wasp-rproc.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/avm,wasp-rproc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AVM WASP processor controller bindings + +maintainers: + - Daniel Kestrel <kestrelseventyfour@xxxxxxxxx> + +description: | + This document defines the bindings for the remoteproc component that loads and + boots firmwares on the AVM Wireless Assistent Support Processor (WASP) SoC + that is attached to some AVM Fritzbox devices (3390, 3490, 5490, 5491, 7490). + +properties: + compatible: + const: avm,wasp + + ath9k-firmware: + $ref: /schemas/types.yaml#/definitions/string + description: | + Should contain the name of the ath9k eeprom that is to be loaded from + the lantiq host flash. Wifi on the WASP SoC does not work without it. + The file should be located on the firmware search path. + + ath10k-caldata: + $ref: /schemas/types.yaml#/definitions/string + description: | + Should contain the name of the ath10k caldata that is to be loaded from + the lantiq host flash. Wifi on the WASP SoC does not work without it. + The file should be located on the firmware search path. + + wasp-netboot-firmware: + $ref: /schemas/types.yaml#/definitions/string + description: | + Should contain the name of the netboot firmware that is to be loaded + and started on the WASP SoC using mdio in order to be able to load + the initramfs image as a second stage. + The file should be located on the firmware search path. + + wasp-netboot-mdio: + $ref: /schemas/types.yaml#/definitions/phandle + description: Reference to the Lantiq GSWIP switch mdio. + + wasp-initramfs-port: + $ref: /schemas/types.yaml#/definitions/phandle + description: Reference to the network port, where the WASP SoC is connected to. + + wasp-initramfs-image: + $ref: /schemas/types.yaml#/definitions/string + description: | + Should contain the name of the initramfs linux image that is to be loaded + and started on the WASP SoC. + The file should be located on the firmware search path. + + reset-gpio: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: Reference and parameters for the reset gpio of the WASP SoC. + + startup-gpio: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: Reference and parameters for the power switch gpio of the WASP SoC. + +required: + - compatible + - ath9k-firmware + - ath10k-caldata + - wasp-netboot-firmware + - wasp-netboot-mdio + - wasp-initramfs-port + - wasp-initramfs-image + - reset-gpio + - startup-gpio + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + avm-wasp { + compatible = "avm,wasp"; + ath9k-firmware = "ath9k-eeprom-ahb-18100000.wmac.bin"; + ath10k-caldata = "ath10k/cal-pci-0000:00:00.0.bin"; + wasp-netboot-firmware = "netboot.fw"; + wasp-netboot-mdio = <&gswip_mdio>; + wasp-initramfs-port = <&port5>; + wasp-initramfs-image = "avm_fritzx490-wasp-initramfs-kernel.bin"; + reset-gpio = <&gpio 34 GPIO_ACTIVE_HIGH>; + startup-gpio = <&gpio 5 GPIO_ACTIVE_HIGH>; + }; -- 2.17.1
