23.08.2016, 19:42, "Maxime Ripard" [off-list ref]:

Hi,

On Tue, Aug 23, 2016 at 01:58:26PM +0800, Icenowy Zheng wrote:

quoted

?A23/33 have 4 UART controllers outside PRCM. However, the devicetree used
?to mentioned only UART0's pinmux settings. Some extra UART controllers have
?RTS/CTS, and is suitable for using as bluetooth UART controller.

?Add the pinmux settings for the UART controller, to make use of the
?bluetooth function of some tablets.

?Signed-off-by: Icenowy Zheng [off-list ref]

Our policy is that we avoid adding unused pinctrl nodes to not cripple
the DT for no particular reason.

So please add only the nodes you'll need in your tablet.

Then... if what I needs is the PG group of uart1, should I name it as
uart1_pins_a or uart1_pins_b?

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com