From mboxrd@z Thu Jan 1 00:00:00 1970 From: icenowy@aosc.xyz (Icenowy Zheng) Date: Tue, 23 Aug 2016 21:51:05 +0800 Subject: [PATCH 2/2] ARM: dts: sun8i: Add extra UART pinmux settings for A23/33 In-Reply-To: <20160823114251.GL2598@lukather> References: <20160823055826.20591-1-icenowy@aosc.xyz> <20160823055826.20591-2-icenowy@aosc.xyz> <20160823114251.GL2598@lukather> Message-ID: <69271471960265@web26h.yandex.ru> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 23.08.2016, 19:42, "Maxime Ripard" : > Hi, > > On Tue, Aug 23, 2016 at 01:58:26PM +0800, Icenowy Zheng wrote: >> ?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 > > 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