Add new binding document for multipd model remoteproc. IPQ5332, IPQ9574 follows multipd model. Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- Changes in v5: - No changes. Changes in v4: - No changes. Changes in v3: - Pick up R-b tag Changes in v2: - Fixed all comments and rebased on linux-next. - Changed to BSD-3-Clause - Added firmware-name. .../bindings/remoteproc/qcom,multipd-pil.yaml | 189 ++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml new file mode 100644 index 000000000000..c52ac1640d7a --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml @@ -0,0 +1,189 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/qcom,multipd-pil.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Multipd Secure Peripheral Image Loader + +maintainers: + - Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx> + +description: + Multipd Peripheral Image Loader loads firmware and boots Q6 protection domain, + WCSS protection domain remoteproc's on the Qualcomm IPQ9574, IPQ5332 SoC. + Protection domain is similar to process in Linux. Here QDSP6 processor runs + each wifi radio functionality on a separate process. One process can't access + other process resources, so this is termed as PD i.e protection domain. + +properties: + compatible: + enum: + - qcom,ipq5332-q6-mpd + - qcom,ipq9574-q6-mpd + + reg: + maxItems: 1 + + firmware-name: + maxItems: 2 + + interrupts: + items: + - description: Watchdog interrupt + - description: Fatal interrupt + - description: Ready interrupt + - description: Handover interrupt + - description: Stop acknowledge interrupt + + interrupt-names: + items: + - const: wdog + - const: fatal + - const: ready + - const: handover + - const: stop-ack + + qcom,smem-states: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: States used by the AP to signal the remote processor + items: + - description: Shutdown Q6 + - description: Stop Q6 + + qcom,smem-state-names: + description: + Names of the states used by the AP to signal the remote processor + items: + - const: shutdown + - const: stop + + memory-region: + items: + - description: Q6 reserved region + + glink-edge: + $ref: /schemas/remoteproc/qcom,glink-edge.yaml# + description: + Qualcomm G-Link subnode which represents communication edge, channels + and devices related to the Modem. + unevaluatedProperties: false + +patternProperties: + "^pd-1|pd-2|pd-3": + type: object + description: + WCSS means 'wireless connectivity sub system', in simple words it's a + wifi radio block. In multipd model, Q6 root protection domain will + provide services to WCSS user protection domain. In other words WCSS + protection domains depends on Q6 protection domain i.e Q6 should be up + before WCSS, similarly Q6 should shut down after all WCSS domains are + down. It can be achieved by building parent-child topology between Q6 + and WCSS domain's i.e keeping wcss node as sub node of Q6 device node. + + properties: + firmware-name: + maxItems: 1 + + interrupts: + items: + - description: Fatal interrupt + - description: Ready interrupt + - description: Spawn acknowledge interrupt + - description: Stop acknowledge interrupt + + interrupt-names: + items: + - const: fatal + - const: ready + - const: spawn-ack + - const: stop-ack + + qcom,smem-states: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: States used by the AP to signal the remote processor + items: + - description: Shutdown WCSS pd + - description: Stop WCSS pd + - description: Spawn WCSS pd + + qcom,smem-state-names: + description: + Names of the states used by the AP to signal the remote processor + items: + - const: shutdown + - const: stop + - const: spawn + + required: + - firmware-name + - interrupts + - interrupt-names + - qcom,smem-states + - qcom,smem-state-names + + additionalProperties: false + +required: + - compatible + - firmware-name + - reg + - interrupts + - interrupt-names + - qcom,smem-states + - qcom,smem-state-names + - memory-region + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + q6v5_wcss: remoteproc@d100000 { + compatible = "qcom,ipq5332-q6-mpd"; + reg = <0xd100000 0x4040>; + firmware-name = "ath11k/IPQ5332/hw1.0/q6_fw0.mdt", + "ath11k/IPQ5332/hw1.0/iu_fw.mdt"; + interrupts-extended = <&intc GIC_SPI 291 IRQ_TYPE_EDGE_RISING>, + <&wcss_smp2p_in 0 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 1 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 2 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 3 IRQ_TYPE_NONE>; + interrupt-names = "wdog", + "fatal", + "ready", + "handover", + "stop-ack"; + + qcom,smem-states = <&wcss_smp2p_out 0>, + <&wcss_smp2p_out 1>; + qcom,smem-state-names = "shutdown", + "stop"; + + memory-region = <&q6_region>; + + glink-edge { + interrupts = <GIC_SPI 417 IRQ_TYPE_EDGE_RISING>; + label = "rtr"; + qcom,remote-pid = <1>; + mboxes = <&apcs_glb 8>; + }; + + pd-1 { + firmware-name = "ath11k/IPQ5332/hw1.0/q6_fw1.mdt"; + interrupts-extended = <&wcss_smp2p_in 8 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 9 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 12 IRQ_TYPE_NONE>, + <&wcss_smp2p_in 11 IRQ_TYPE_NONE>; + interrupt-names = "fatal", + "ready", + "spawn-ack", + "stop-ack"; + qcom,smem-states = <&wcss_smp2p_out 8>, + <&wcss_smp2p_out 9>, + <&wcss_smp2p_out 10>; + qcom,smem-state-names = "shutdown", + "stop", + "spawn"; + }; + }; -- 2.34.1
