On Mon, Mar 28, 2022 at 03:18:27PM +0530, Manikanta Pubbisetty wrote:
> WCN6750 is the WLAN chip on Qualcomm Snapdragon SoC SC7280;
> Though being a PCIe based solution, it is not attached to
> the APSS processor (Application Processor SubSystem), it is
> instead attached to another tiny processor called WPSS Q6
> processor (Wireless Processor SubSystem) on the SC7280 MSM,
> where the WLAN firmware runs, and it is the WLAN firmware
> running on the Q6 processor which enumerates WCN6750, as a
> result APPS processor would never know such a device being
> present in the system and would not detect the WCN6750
> hardware unless and otherwise WCN6750 is registered as a
> platform device. This is the reason behind adding WCN6750
> WLAN node in the device tree.
>
> Add WCN6750 wireless driver support, its based on ath11k driver.
>
> Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@xxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> .../bindings/net/wireless/qcom,ath11k.yaml | 361 ++++++++++++------
> 1 file changed, 252 insertions(+), 109 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> index cdf7b873b419..67104d69fd72 100644
> --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
> @@ -20,120 +20,17 @@ properties:
> enum:
> - qcom,ipq8074-wifi
> - qcom,ipq6018-wifi
> + - qcom,wcn6750-wifi
>
> reg:
> maxItems: 1
>
> interrupts:
> - items:
> - - description: misc-pulse1 interrupt events
> - - description: misc-latch interrupt events
> - - description: sw exception interrupt events
> - - description: watchdog interrupt events
> - - description: interrupt event for ring CE0
> - - description: interrupt event for ring CE1
> - - description: interrupt event for ring CE2
> - - description: interrupt event for ring CE3
> - - description: interrupt event for ring CE4
> - - description: interrupt event for ring CE5
> - - description: interrupt event for ring CE6
> - - description: interrupt event for ring CE7
> - - description: interrupt event for ring CE8
> - - description: interrupt event for ring CE9
> - - description: interrupt event for ring CE10
> - - description: interrupt event for ring CE11
> - - description: interrupt event for ring host2wbm-desc-feed
> - - description: interrupt event for ring host2reo-re-injection
> - - description: interrupt event for ring host2reo-command
> - - description: interrupt event for ring host2rxdma-monitor-ring3
> - - description: interrupt event for ring host2rxdma-monitor-ring2
> - - description: interrupt event for ring host2rxdma-monitor-ring1
> - - description: interrupt event for ring reo2ost-exception
> - - description: interrupt event for ring wbm2host-rx-release
> - - description: interrupt event for ring reo2host-status
> - - description: interrupt event for ring reo2host-destination-ring4
> - - description: interrupt event for ring reo2host-destination-ring3
> - - description: interrupt event for ring reo2host-destination-ring2
> - - description: interrupt event for ring reo2host-destination-ring1
> - - description: interrupt event for ring rxdma2host-monitor-destination-mac3
> - - description: interrupt event for ring rxdma2host-monitor-destination-mac2
> - - description: interrupt event for ring rxdma2host-monitor-destination-mac1
> - - description: interrupt event for ring ppdu-end-interrupts-mac3
> - - description: interrupt event for ring ppdu-end-interrupts-mac2
> - - description: interrupt event for ring ppdu-end-interrupts-mac1
> - - description: interrupt event for ring rxdma2host-monitor-status-ring-mac3
> - - description: interrupt event for ring rxdma2host-monitor-status-ring-mac2
> - - description: interrupt event for ring rxdma2host-monitor-status-ring-mac1
> - - description: interrupt event for ring host2rxdma-host-buf-ring-mac3
> - - description: interrupt event for ring host2rxdma-host-buf-ring-mac2
> - - description: interrupt event for ring host2rxdma-host-buf-ring-mac1
> - - description: interrupt event for ring rxdma2host-destination-ring-mac3
> - - description: interrupt event for ring rxdma2host-destination-ring-mac2
> - - description: interrupt event for ring rxdma2host-destination-ring-mac1
> - - description: interrupt event for ring host2tcl-input-ring4
> - - description: interrupt event for ring host2tcl-input-ring3
> - - description: interrupt event for ring host2tcl-input-ring2
> - - description: interrupt event for ring host2tcl-input-ring1
> - - description: interrupt event for ring wbm2host-tx-completions-ring3
> - - description: interrupt event for ring wbm2host-tx-completions-ring2
> - - description: interrupt event for ring wbm2host-tx-completions-ring1
> - - description: interrupt event for ring tcl2host-status-ring
> -
> + minItems: 32
> + maxItems: 52
>
> interrupt-names:
> - items:
> - - const: misc-pulse1
> - - const: misc-latch
> - - const: sw-exception
> - - const: watchdog
> - - const: ce0
> - - const: ce1
> - - const: ce2
> - - const: ce3
> - - const: ce4
> - - const: ce5
> - - const: ce6
> - - const: ce7
> - - const: ce8
> - - const: ce9
> - - const: ce10
> - - const: ce11
> - - const: host2wbm-desc-feed
> - - const: host2reo-re-injection
> - - const: host2reo-command
> - - const: host2rxdma-monitor-ring3
> - - const: host2rxdma-monitor-ring2
> - - const: host2rxdma-monitor-ring1
> - - const: reo2ost-exception
> - - const: wbm2host-rx-release
> - - const: reo2host-status
> - - const: reo2host-destination-ring4
> - - const: reo2host-destination-ring3
> - - const: reo2host-destination-ring2
> - - const: reo2host-destination-ring1
> - - const: rxdma2host-monitor-destination-mac3
> - - const: rxdma2host-monitor-destination-mac2
> - - const: rxdma2host-monitor-destination-mac1
> - - const: ppdu-end-interrupts-mac3
> - - const: ppdu-end-interrupts-mac2
> - - const: ppdu-end-interrupts-mac1
> - - const: rxdma2host-monitor-status-ring-mac3
> - - const: rxdma2host-monitor-status-ring-mac2
> - - const: rxdma2host-monitor-status-ring-mac1
> - - const: host2rxdma-host-buf-ring-mac3
> - - const: host2rxdma-host-buf-ring-mac2
> - - const: host2rxdma-host-buf-ring-mac1
> - - const: rxdma2host-destination-ring-mac3
> - - const: rxdma2host-destination-ring-mac2
> - - const: rxdma2host-destination-ring-mac1
> - - const: host2tcl-input-ring4
> - - const: host2tcl-input-ring3
> - - const: host2tcl-input-ring2
> - - const: host2tcl-input-ring1
> - - const: wbm2host-tx-completions-ring3
> - - const: wbm2host-tx-completions-ring2
> - - const: wbm2host-tx-completions-ring1
> - - const: tcl2host-status-ring
> + maxItems: 52
>
> qcom,rproc:
> $ref: /schemas/types.yaml#/definitions/phandle
> @@ -151,20 +48,205 @@ properties:
> board-2.bin for designs with colliding bus and device specific ids
>
> memory-region:
> - maxItems: 1
> + minItems: 1
> + maxItems: 2
> description:
> phandle to a node describing reserved memory (System RAM memory)
> used by ath11k firmware (see bindings/reserved-memory/reserved-memory.txt)
>
> + iommus:
> + minItems: 1
> + maxItems: 2
> +
> + wifi-firmware:
> + type: object
> + description: |
> + WCN6750 wifi node can contain one optional firmware subnode.
> + Firmware subnode is needed when the platform does not have Tustzone.
s/Tustzone/Trustzone/
> + required:
> + - iommus
> +
> required:
> - compatible
> - reg
> - interrupts
> - - interrupt-names
> - qcom,rproc
>
> additionalProperties: false
>
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - qcom,ipq8074-wifi
> + - qcom,ipq6018-wifi
> + then:
> + properties:
> + interrupts:
> + items:
> + - description: misc-pulse1 interrupt events
> + - description: misc-latch interrupt events
> + - description: sw exception interrupt events
> + - description: watchdog interrupt events
> + - description: interrupt event for ring CE0
> + - description: interrupt event for ring CE1
> + - description: interrupt event for ring CE2
> + - description: interrupt event for ring CE3
> + - description: interrupt event for ring CE4
> + - description: interrupt event for ring CE5
> + - description: interrupt event for ring CE6
> + - description: interrupt event for ring CE7
> + - description: interrupt event for ring CE8
> + - description: interrupt event for ring CE9
> + - description: interrupt event for ring CE10
> + - description: interrupt event for ring CE11
> + - description: interrupt event for ring host2wbm-desc-feed
> + - description: interrupt event for ring host2reo-re-injection
> + - description: interrupt event for ring host2reo-command
> + - description: interrupt event for ring host2rxdma-monitor-ring3
> + - description: interrupt event for ring host2rxdma-monitor-ring2
> + - description: interrupt event for ring host2rxdma-monitor-ring1
> + - description: interrupt event for ring reo2ost-exception
> + - description: interrupt event for ring wbm2host-rx-release
> + - description: interrupt event for ring reo2host-status
> + - description: interrupt event for ring reo2host-destination-ring4
> + - description: interrupt event for ring reo2host-destination-ring3
> + - description: interrupt event for ring reo2host-destination-ring2
> + - description: interrupt event for ring reo2host-destination-ring1
> + - description: interrupt event for ring rxdma2host-monitor-destination-mac3
> + - description: interrupt event for ring rxdma2host-monitor-destination-mac2
> + - description: interrupt event for ring rxdma2host-monitor-destination-mac1
> + - description: interrupt event for ring ppdu-end-interrupts-mac3
> + - description: interrupt event for ring ppdu-end-interrupts-mac2
> + - description: interrupt event for ring ppdu-end-interrupts-mac1
> + - description: interrupt event for ring rxdma2host-monitor-status-ring-mac3
> + - description: interrupt event for ring rxdma2host-monitor-status-ring-mac2
> + - description: interrupt event for ring rxdma2host-monitor-status-ring-mac1
> + - description: interrupt event for ring host2rxdma-host-buf-ring-mac3
> + - description: interrupt event for ring host2rxdma-host-buf-ring-mac2
> + - description: interrupt event for ring host2rxdma-host-buf-ring-mac1
> + - description: interrupt event for ring rxdma2host-destination-ring-mac3
> + - description: interrupt event for ring rxdma2host-destination-ring-mac2
> + - description: interrupt event for ring rxdma2host-destination-ring-mac1
> + - description: interrupt event for ring host2tcl-input-ring4
> + - description: interrupt event for ring host2tcl-input-ring3
> + - description: interrupt event for ring host2tcl-input-ring2
> + - description: interrupt event for ring host2tcl-input-ring1
> + - description: interrupt event for ring wbm2host-tx-completions-ring3
> + - description: interrupt event for ring wbm2host-tx-completions-ring2
> + - description: interrupt event for ring wbm2host-tx-completions-ring1
> + - description: interrupt event for ring tcl2host-status-ring
> + interrupt-names:
> + items:
> + - const: misc-pulse1
> + - const: misc-latch
> + - const: sw-exception
> + - const: watchdog
> + - const: ce0
> + - const: ce1
> + - const: ce2
> + - const: ce3
> + - const: ce4
> + - const: ce5
> + - const: ce6
> + - const: ce7
> + - const: ce8
> + - const: ce9
> + - const: ce10
> + - const: ce11
> + - const: host2wbm-desc-feed
> + - const: host2reo-re-injection
> + - const: host2reo-command
> + - const: host2rxdma-monitor-ring3
> + - const: host2rxdma-monitor-ring2
> + - const: host2rxdma-monitor-ring1
> + - const: reo2ost-exception
> + - const: wbm2host-rx-release
> + - const: reo2host-status
> + - const: reo2host-destination-ring4
> + - const: reo2host-destination-ring3
> + - const: reo2host-destination-ring2
> + - const: reo2host-destination-ring1
> + - const: rxdma2host-monitor-destination-mac3
> + - const: rxdma2host-monitor-destination-mac2
> + - const: rxdma2host-monitor-destination-mac1
> + - const: ppdu-end-interrupts-mac3
> + - const: ppdu-end-interrupts-mac2
> + - const: ppdu-end-interrupts-mac1
> + - const: rxdma2host-monitor-status-ring-mac3
> + - const: rxdma2host-monitor-status-ring-mac2
> + - const: rxdma2host-monitor-status-ring-mac1
> + - const: host2rxdma-host-buf-ring-mac3
> + - const: host2rxdma-host-buf-ring-mac2
> + - const: host2rxdma-host-buf-ring-mac1
> + - const: rxdma2host-destination-ring-mac3
> + - const: rxdma2host-destination-ring-mac2
> + - const: rxdma2host-destination-ring-mac1
> + - const: host2tcl-input-ring4
> + - const: host2tcl-input-ring3
> + - const: host2tcl-input-ring2
> + - const: host2tcl-input-ring1
> + - const: wbm2host-tx-completions-ring3
> + - const: wbm2host-tx-completions-ring2
> + - const: wbm2host-tx-completions-ring1
> + - const: tcl2host-status-ring
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - qcom,ipq8074-wifi
> + - qcom,ipq6018-wifi
> + then:
> + required:
> + - interrupt-names
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - qcom,wcn6750-wifi
> + then:
> + properties:
> + interrupts:
> + items:
> + - description: interrupt event for ring CE1
> + - description: interrupt event for ring CE2
> + - description: interrupt event for ring CE3
> + - description: interrupt event for ring CE4
> + - description: interrupt event for ring CE5
> + - description: interrupt event for ring CE6
> + - description: interrupt event for ring CE7
> + - description: interrupt event for ring CE8
> + - description: interrupt event for ring CE9
> + - description: interrupt event for ring CE10
> + - description: interrupt event for ring DP1
> + - description: interrupt event for ring DP2
> + - description: interrupt event for ring DP3
> + - description: interrupt event for ring DP4
> + - description: interrupt event for ring DP5
> + - description: interrupt event for ring DP6
> + - description: interrupt event for ring DP7
> + - description: interrupt event for ring DP8
> + - description: interrupt event for ring DP9
> + - description: interrupt event for ring DP10
> + - description: interrupt event for ring DP11
> + - description: interrupt event for ring DP12
> + - description: interrupt event for ring DP13
> + - description: interrupt event for ring DP14
> + - description: interrupt event for ring DP15
> + - description: interrupt event for ring DP16
> + - description: interrupt event for ring DP17
> + - description: interrupt event for ring DP18
> + - description: interrupt event for ring DP19
> + - description: interrupt event for ring DP20
> + - description: interrupt event for ring DP21
> + - description: interrupt event for ring DP22
> +
> examples:
> - |
>
> @@ -309,3 +391,64 @@ examples:
> };
> };
> };
> +
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + wlan_ce_mem: wlan_ce_mem@4cd000 {
Node names should use dashes ('-') as separators, so the node name should
be 'wlan-ce-mem'.
Actually reserved memory nodes for sc7280 are all named memory@addr, the
binding should follow this convention, so 'memory@4cd000'.
> + no-map;
> + reg = <0x0 0x4cd000 0x0 0x1000>;
Pad the address here to 8 digits
> + };
> +
> + wlan_fw_mem: wlan_fw_mem@80c00000 {
Same as above: memory@80c00000
> + no-map;
> + reg = <0x0 0x80c00000 0x0 0xc00000>;
> + };
> + };
> +
> + wifi: wifi@17a10040 {
> + compatible = "qcom,wcn6750-wifi";
> + reg = <0x17A10040 0x0>;
Use lowercase for hex digits
> + iommus = <&apps_smmu 0x1C00 0x1>;
Ditto
> + interrupts = <GIC_SPI 768 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 769 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 770 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 771 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 772 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 773 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 774 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 775 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 776 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 777 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 778 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 779 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 780 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 781 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 782 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 783 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 784 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 785 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 786 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 787 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 788 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 789 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 790 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 791 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 792 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 793 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 794 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 795 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 796 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 797 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 798 IRQ_TYPE_EDGE_RISING>,
> + <GIC_SPI 799 IRQ_TYPE_EDGE_RISING>;
> + qcom,rproc = <&remoteproc_wpss>;
> + memory-region = <&wlan_fw_mem>, <&wlan_ce_mem>;
> + wifi-firmware {
> + iommus = <&apps_smmu 0x1C02 0x1>;
Use lowercase for hex digits
> + };
> + };
