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MSM8996 Core Bus Fabric (CBF) clock controller clocks an interconnect between two CPU clusters. The CBF clock should follow the CPU frequencies to provide enough bandwidth between clusters. Thus a single driver implements both a clock and an interconnect to set the clock rate. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230120061417.2623751-2-dmitry.baryshkov@linaro.org
54 lines
1.1 KiB
YAML
54 lines
1.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/clock/qcom,msm8996-cbf.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm MSM8996 Core Bus Fabric (CBF) clock controller
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maintainers:
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- Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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description: >
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The clock controller for the Qualcomm MSM8996 CBF clock, which drives the
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interconnect between two CPU clusters.
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properties:
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compatible:
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const: qcom,msm8996-cbf
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reg:
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maxItems: 1
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clocks:
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items:
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- description: XO source
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- description: SYS APCS AUX clock
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'#clock-cells':
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const: 0
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'#interconnect-cells':
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const: 1
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required:
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- compatible
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- reg
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- clocks
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- '#clock-cells'
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- '#interconnect-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmcc.h>
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clock-controller@9a11000 {
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compatible = "qcom,msm8996-cbf";
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reg = <0x09a11000 0x10000>;
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clocks = <&rpmcc RPM_SMD_BB_CLK1>, <&apcs_glb>;
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#clock-cells = <0>;
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#interconnect-cells = <1>;
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};
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...
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