diff options
author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2023-02-08 13:15:44 +0300 |
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committer | Jassi Brar <jaswinder.singh@linaro.org> | 2023-02-23 23:47:12 +0300 |
commit | b114f13591597314660949d5da1fd79127643445 (patch) | |
tree | baa4bf167145826b45a285904d49c149affa5059 /Documentation/devicetree/bindings/remoteproc | |
parent | adb239f340935b854ce56035fee2035345f9d633 (diff) | |
download | linux-b114f13591597314660949d5da1fd79127643445.tar.xz |
dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
Convert Qualcomm G-Link RPM edge binding to DT schema. Move it to
remoteproc as it better suits the purpose - communication channel with
remote processor.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/remoteproc')
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml new file mode 100644 index 000000000000..f5a044e20c4e --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,glink-rpm-edge.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/qcom,glink-rpm-edge.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm G-Link RPM edge + +description: | + Qualcomm G-Link edge, a FIFO based mechanism for communication with Resource + Power Manager (RPM) on various Qualcomm platforms. + +maintainers: + - Bjorn Andersson <andersson@kernel.org> + +properties: + compatible: + const: qcom,glink-rpm + + label: + $ref: /schemas/types.yaml#/definitions/string + description: + Name of the edge, used for debugging and identification purposes. The + node name will be used if this is not present. + + interrupts: + maxItems: 1 + + mboxes: + items: + - description: rpm_hlos mailbox in APCS + + qcom,remote-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier for the remote processor as known by the rest of the + system. + + qcom,rpm-msg-ram: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + RPM message memory resource (compatible: qcom,rpm-msg-ram). + + rpm-requests: + type: object + $ref: /schemas/soc/qcom/qcom,smd-rpm.yaml# + unevaluatedProperties: false + description: + Qualcomm Resource Power Manager (RPM) over G-Link + + properties: + qcom,intents: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + minItems: 1 + maxItems: 32 + items: + items: + - description: size of each intent to preallocate + - description: amount of intents to preallocate + minimum: 1 + description: + List of (size, amount) pairs describing what intents should be + preallocated for this virtual channel. This can be used to tweak the + default intents available for the channel to meet expectations of the + remote. + + required: + - qcom,glink-channels + +required: + - compatible + - interrupts + - mboxes + +anyOf: + - required: + - qcom,remote-pid + - required: + - qcom,rpm-msg-ram + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + rpm-glink { + compatible = "qcom,glink-rpm"; + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; + mboxes = <&apcs_glb 0>; + qcom,rpm-msg-ram = <&rpm_msg_ram>; + + rpm-requests { + compatible = "qcom,rpm-msm8996"; + qcom,glink-channels = "rpm_requests"; + + /* ... */ + }; + }; |