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DLL need only be enabled for speed modes and clock frequencies at or above 50 MHz. For speed modes that don't enable the DLL, we need to configure a static input delay value. This involves reading an optional itap-del-sel-* value from the device tree and configuring it for the appropriate speed mode. With this addition, make sure that DLL is always switched off at the beginning of the set_clock() call to simplify configuration. This also removes the need for the dll_on member in struct sdhci_am654_data. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200923105206.7988-5-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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