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37 lines
927 B
37 lines
927 B
i.MX CPUFreq-DT OPP bindings |
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Certain i.MX SoCs support different OPPs depending on the "market segment" and |
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"speed grading" value which are written in fuses. These bits are combined with |
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the opp-supported-hw values for each OPP to check if the OPP is allowed. |
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Required properties: |
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-------------------- |
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For each opp entry in 'operating-points-v2' table: |
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- opp-supported-hw: Two bitmaps indicating: |
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- Supported speed grade mask |
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- Supported market segment mask |
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0: Consumer |
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1: Extended Consumer |
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2: Industrial |
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3: Automotive |
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Example: |
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-------- |
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opp_table { |
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compatible = "operating-points-v2"; |
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opp-1000000000 { |
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opp-hz = /bits/ 64 <1000000000>; |
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/* grade >= 0, consumer only */ |
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opp-supported-hw = <0xf>, <0x3>; |
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}; |
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opp-1300000000 { |
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opp-hz = /bits/ 64 <1300000000>; |
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opp-microvolt = <1000000>; |
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/* grade >= 1, all segments */ |
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opp-supported-hw = <0xe>, <0x7>; |
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}; |
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}
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