On Mon, 17 Dec 2018 12:04:35 +0800, Chen-Yu Tsai wrote: > The Broadcom Bluetooth controllers can take up to two external clocks: > an external frequency reference, substituting the main crystal, and a > LPO clock at 32.768 kHz substituting the internal LPO clock. > > In particular, the external LPO clock must be used when the controller > does not have NVRAM connected, and the main reference frequency is not > the default 20 MHz. This is described in detail in the datasheet. > > The original "extclk" clock name is ambiguous as to which of these it > refers to, and some designs might even require both. > > This patch deprecates the existing name, and adds "txco" and "lpo". > > Tested-by: Ondrej Jirman <megous@xxxxxxxxxx> > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > .../devicetree/bindings/net/broadcom-bluetooth.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
