11c46589dSDavid Heidelberg# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
21c46589dSDavid Heidelberg%YAML 1.2
31c46589dSDavid Heidelberg---
41c46589dSDavid Heidelberg$id: http://devicetree.org/schemas/firmware/qcom,scm.yaml#
51c46589dSDavid Heidelberg$schema: http://devicetree.org/meta-schemas/core.yaml#
61c46589dSDavid Heidelberg
71c46589dSDavid Heidelbergtitle: QCOM Secure Channel Manager (SCM)
81c46589dSDavid Heidelberg
91c46589dSDavid Heidelbergdescription: |
101c46589dSDavid Heidelberg  Qualcomm processors include an interface to communicate to the secure firmware.
111c46589dSDavid Heidelberg  This interface allows for clients to request different types of actions.
121c46589dSDavid Heidelberg  These can include CPU power up/down, HDCP requests, loading of firmware,
131c46589dSDavid Heidelberg  and other assorted actions.
141c46589dSDavid Heidelberg
151c46589dSDavid Heidelbergmaintainers:
161c46589dSDavid Heidelberg  - Bjorn Andersson <bjorn.andersson@linaro.org>
171c46589dSDavid Heidelberg  - Robert Marko <robimarko@gmail.com>
181c46589dSDavid Heidelberg  - Guru Das Srinagesh <quic_gurus@quicinc.com>
191c46589dSDavid Heidelberg
201c46589dSDavid Heidelbergproperties:
211c46589dSDavid Heidelberg  compatible:
221c46589dSDavid Heidelberg    items:
231c46589dSDavid Heidelberg      - enum:
241c46589dSDavid Heidelberg          - qcom,scm-apq8064
251c46589dSDavid Heidelberg          - qcom,scm-apq8084
261c46589dSDavid Heidelberg          - qcom,scm-ipq4019
271c46589dSDavid Heidelberg          - qcom,scm-ipq6018
281c46589dSDavid Heidelberg          - qcom,scm-ipq806x
291c46589dSDavid Heidelberg          - qcom,scm-ipq8074
301c46589dSDavid Heidelberg          - qcom,scm-mdm9607
311c46589dSDavid Heidelberg          - qcom,scm-msm8226
321c46589dSDavid Heidelberg          - qcom,scm-msm8660
331c46589dSDavid Heidelberg          - qcom,scm-msm8916
341c46589dSDavid Heidelberg          - qcom,scm-msm8953
351c46589dSDavid Heidelberg          - qcom,scm-msm8960
361c46589dSDavid Heidelberg          - qcom,scm-msm8974
371c46589dSDavid Heidelberg          - qcom,scm-msm8976
381c46589dSDavid Heidelberg          - qcom,scm-msm8994
391c46589dSDavid Heidelberg          - qcom,scm-msm8996
401c46589dSDavid Heidelberg          - qcom,scm-msm8998
411c46589dSDavid Heidelberg          - qcom,scm-sc7180
421c46589dSDavid Heidelberg          - qcom,scm-sc7280
431c46589dSDavid Heidelberg          - qcom,scm-sc8280xp
44aa9f4740SRichard Acayan          - qcom,scm-sdm670
451c46589dSDavid Heidelberg          - qcom,scm-sdm845
461c46589dSDavid Heidelberg          - qcom,scm-sdx55
471c46589dSDavid Heidelberg          - qcom,scm-sdx65
48f2567b73SAdam Skladowski          - qcom,scm-sm6115
491c46589dSDavid Heidelberg          - qcom,scm-sm6125
501c46589dSDavid Heidelberg          - qcom,scm-sm6350
51fa2d6ed1SKonrad Dybcio          - qcom,scm-sm6375
521c46589dSDavid Heidelberg          - qcom,scm-sm8150
531c46589dSDavid Heidelberg          - qcom,scm-sm8250
541c46589dSDavid Heidelberg          - qcom,scm-sm8350
551c46589dSDavid Heidelberg          - qcom,scm-sm8450
561c46589dSDavid Heidelberg          - qcom,scm-qcs404
571c46589dSDavid Heidelberg      - const: qcom,scm
581c46589dSDavid Heidelberg
591c46589dSDavid Heidelberg  clocks:
601c46589dSDavid Heidelberg    minItems: 1
611c46589dSDavid Heidelberg    maxItems: 3
621c46589dSDavid Heidelberg
631c46589dSDavid Heidelberg  clock-names:
641c46589dSDavid Heidelberg    minItems: 1
651c46589dSDavid Heidelberg    maxItems: 3
661c46589dSDavid Heidelberg
671c46589dSDavid Heidelberg  interconnects:
681c46589dSDavid Heidelberg    maxItems: 1
691c46589dSDavid Heidelberg
701c46589dSDavid Heidelberg  interconnect-names:
711c46589dSDavid Heidelberg    maxItems: 1
721c46589dSDavid Heidelberg
731c46589dSDavid Heidelberg  '#reset-cells':
741c46589dSDavid Heidelberg    const: 1
751c46589dSDavid Heidelberg
761c46589dSDavid Heidelberg  qcom,dload-mode:
771c46589dSDavid Heidelberg    $ref: /schemas/types.yaml#/definitions/phandle-array
781c46589dSDavid Heidelberg    items:
791c46589dSDavid Heidelberg      - items:
801c46589dSDavid Heidelberg          - description: phandle to TCSR hardware block
811c46589dSDavid Heidelberg          - description: offset of the download mode control register
821c46589dSDavid Heidelberg    description: TCSR hardware block
831c46589dSDavid Heidelberg
841c46589dSDavid HeidelbergallOf:
85*c5b8840cSKrzysztof Kozlowski  # Clocks
86*c5b8840cSKrzysztof Kozlowski  - if:
87*c5b8840cSKrzysztof Kozlowski      properties:
88*c5b8840cSKrzysztof Kozlowski        compatible:
89*c5b8840cSKrzysztof Kozlowski          contains:
90*c5b8840cSKrzysztof Kozlowski            enum:
91*c5b8840cSKrzysztof Kozlowski              - qcom,scm-apq8064
92*c5b8840cSKrzysztof Kozlowski              - qcom,scm-apq8084
93*c5b8840cSKrzysztof Kozlowski              - qcom,scm-mdm9607
94*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8226
95*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8660
96*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8916
97*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8953
98*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8960
99*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8974
100*c5b8840cSKrzysztof Kozlowski              - qcom,scm-msm8976
101*c5b8840cSKrzysztof Kozlowski              - qcom,scm-sm6375
102*c5b8840cSKrzysztof Kozlowski    then:
103*c5b8840cSKrzysztof Kozlowski      required:
104*c5b8840cSKrzysztof Kozlowski        - clocks
105*c5b8840cSKrzysztof Kozlowski        - clock-names
106*c5b8840cSKrzysztof Kozlowski    else:
107*c5b8840cSKrzysztof Kozlowski      properties:
108*c5b8840cSKrzysztof Kozlowski        clock-names: false
109*c5b8840cSKrzysztof Kozlowski        clocks: false
110*c5b8840cSKrzysztof Kozlowski
1111c46589dSDavid Heidelberg  - if:
1121c46589dSDavid Heidelberg      properties:
1131c46589dSDavid Heidelberg        compatible:
1141c46589dSDavid Heidelberg          contains:
1151c46589dSDavid Heidelberg            enum:
1161c46589dSDavid Heidelberg              - qcom,scm-apq8064
1171c46589dSDavid Heidelberg              - qcom,scm-msm8660
1181c46589dSDavid Heidelberg              - qcom,scm-msm8960
119fa2d6ed1SKonrad Dybcio              - qcom,scm-sm6375
1201c46589dSDavid Heidelberg    then:
1211c46589dSDavid Heidelberg      properties:
1221c46589dSDavid Heidelberg        clock-names:
1231c46589dSDavid Heidelberg          items:
1241c46589dSDavid Heidelberg            - const: core
1251c46589dSDavid Heidelberg
1261c46589dSDavid Heidelberg        clocks:
1271c46589dSDavid Heidelberg          maxItems: 1
1281c46589dSDavid Heidelberg
1291c46589dSDavid Heidelberg  - if:
1301c46589dSDavid Heidelberg      properties:
1311c46589dSDavid Heidelberg        compatible:
1321c46589dSDavid Heidelberg          contains:
1331c46589dSDavid Heidelberg            enum:
1341c46589dSDavid Heidelberg              - qcom,scm-apq8084
1351c46589dSDavid Heidelberg              - qcom,scm-mdm9607
1368f3945a9SKrzysztof Kozlowski              - qcom,scm-msm8226
1371c46589dSDavid Heidelberg              - qcom,scm-msm8916
1381c46589dSDavid Heidelberg              - qcom,scm-msm8953
1391c46589dSDavid Heidelberg              - qcom,scm-msm8974
1401c46589dSDavid Heidelberg              - qcom,scm-msm8976
1411c46589dSDavid Heidelberg    then:
1421c46589dSDavid Heidelberg      properties:
1431c46589dSDavid Heidelberg        clock-names:
1441c46589dSDavid Heidelberg          items:
1451c46589dSDavid Heidelberg            - const: core
1461c46589dSDavid Heidelberg            - const: bus
1471c46589dSDavid Heidelberg            - const: iface
1481c46589dSDavid Heidelberg
1491c46589dSDavid Heidelberg        clocks:
1501c46589dSDavid Heidelberg          minItems: 3
1511c46589dSDavid Heidelberg          maxItems: 3
1521c46589dSDavid Heidelberg
153*c5b8840cSKrzysztof Kozlowski  # Interconnects
154*c5b8840cSKrzysztof Kozlowski  - if:
155*c5b8840cSKrzysztof Kozlowski      not:
156*c5b8840cSKrzysztof Kozlowski        properties:
157*c5b8840cSKrzysztof Kozlowski          compatible:
158*c5b8840cSKrzysztof Kozlowski            contains:
159*c5b8840cSKrzysztof Kozlowski              enum:
160*c5b8840cSKrzysztof Kozlowski                - qcom,scm-sm8450
161*c5b8840cSKrzysztof Kozlowski    then:
162*c5b8840cSKrzysztof Kozlowski      properties:
163*c5b8840cSKrzysztof Kozlowski        interconnects: false
1641c46589dSDavid Heidelberg
1651c46589dSDavid Heidelbergrequired:
1661c46589dSDavid Heidelberg  - compatible
1671c46589dSDavid Heidelberg
1681c46589dSDavid HeidelbergadditionalProperties: false
1691c46589dSDavid Heidelberg
1701c46589dSDavid Heidelbergexamples:
1711c46589dSDavid Heidelberg  - |
1721c46589dSDavid Heidelberg    #include <dt-bindings/clock/qcom,gcc-msm8916.h>
1731c46589dSDavid Heidelberg
1741c46589dSDavid Heidelberg    firmware {
1751c46589dSDavid Heidelberg        scm {
1761c46589dSDavid Heidelberg            compatible = "qcom,scm-msm8916", "qcom,scm";
1771c46589dSDavid Heidelberg            clocks = <&gcc GCC_CRYPTO_CLK>,
1781c46589dSDavid Heidelberg                     <&gcc GCC_CRYPTO_AXI_CLK>,
1791c46589dSDavid Heidelberg                     <&gcc GCC_CRYPTO_AHB_CLK>;
1801c46589dSDavid Heidelberg            clock-names = "core", "bus", "iface";
1811c46589dSDavid Heidelberg        };
1821c46589dSDavid Heidelberg    };
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