nrfxlib 2.8.0 howto set TIMER frequency?

before I could use:

static const nrfx_timer_config_t timer_config = {
    .frequency          = NRF_TIMER_FREQ_1MHz,
    .mode               = NRF_TIMER_MODE_TIMER,
    .bit_width          = NRF_TIMER_BIT_WIDTH_16,
    .interrupt_priority = NRFX_TIMER_DEFAULT_CONFIG_IRQ_PRIORITY,
    .p_context          = NULL};

now I have to use

static const nrfx_timer_config_t timer_config = {
    .frequency          = 1000000,
    .mode               = NRF_TIMER_MODE_TIMER,
    .bit_width          = NRF_TIMER_BIT_WIDTH_16,
    .interrupt_priority = NRFX_TIMER_DEFAULT_CONFIG_IRQ_PRIORITY,
    .p_context          = NULL};

is that hardcoded .frequency the correct approach? it feels wrong, i dont see the benefit

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