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17 1.1 What is an Operating Performance Point (OPP)?
20 In an operational system executing varied use cases, not all modules in the SoC
30 As an example:
31 Let us consider an MPU device which supports the following:
56 list is expected to be an optimally small number typically around 5 per device.
73 be used for dev_pm_opp_enable/disable functions to make an opp available as required.
140 dev_pm_opp_find_freq_exact - Search for an OPP based on an *exact* frequency and
141 availability. This function is especially useful to enable an OPP which
160 dev_pm_opp_find_freq_floor - Search for an available OPP which is *at most* the
170 dev_pm_opp_find_freq_ceil - Search for an available OPP which is *at least* the
200 These functions are intended to *temporarily* remove an OPP in conditions such
221 dev_pm_opp_disable - Make an OPP to be not available for operation
240 information from the OPP structure is necessary. Once an OPP pointer is
310 Typically an SoC contains multiple voltage domains which are variable. Each
329 represent an OPP. In addition to the freq, voltage, availability
336 users. The defaults of for an instance is populated by dev_pm_opp_add, but the