ARM: OMAP: add external clock provider support
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Cover letter [PATCH 0/1] ARM: OMAP: add external clock provider support
Quoted 8 lines · Peter Ujfalusi
Quoted 6 lines · Tero Kristo
Hi,
This patch adds possibility to register external clocks (outside the main SoC) on TI boards through device tree. Clock sources as such include for example twl-6030 / twl-6040 chips and variants which can be used to clock for example audio / WLAN chips.
Quoted 7 lines
Just one question to Mike and Tero:
would it be possible to have generic binding for such an external clocks? We have the palmas clock driver already upstream which handles the 32K clocks from the PMIC. Palmas class of PMICs can be used with TI/nVidia(/Intel?) platforms. We use Palmas on omap5-uevm, DRA7-EVM also uses Palmas compatible PMIC and some nVidia platform also uses this class of devices (and they all need to have control over the 32K clock(s)).
Other platforms initialize their clocks in different manner, they can use generic of_clk_init I believe. If they can't use that for some reason, then they need to implement something similar to this.
-Tero
Quoted 8 lines
Quoted 6 lines
This patch can be queued once someone has a use-case + patches that requires usage of such clocks.
-Tero