On Wed, 4 May 2022 19:59:04 +0800 IotaHydrae <writeforever@xxxxxxxxxxx> wrote: Hi, thanks for the patch! I think the subject should start with: "pinctrl: sunxi:", also please mention the UART in there. > 1. change suniv f1c100s pinctrl,PD14 multiplexing function lvds1 to uart2 > > When the pin PD13 and PD14 is setting up to uart2 function in dts, > there's an error occurred: > 1c20800.pinctrl: unsupported function uart2 on pin PD14 > > Because 'uart2' is not any one multiplexing option of PD14, > and pinctrl don't know how to configure it. > > So change the pin PD14 lvds1 function to uart2. > > Signed-off-by: IotaHydrae <writeforever@xxxxxxxxxxx> Compared against the manual, looks correct: Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx> Cheers, Andre P.S. I used to opportunity to check all other functions as well, apart from one error in the comments they were correct. Will send a patch. > --- > drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c > index 2801ca706273..68a5b627fb9b 100644 > --- a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c > +++ b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c > @@ -204,7 +204,7 @@ static const struct sunxi_desc_pin suniv_f1c100s_pins[] = { > SUNXI_FUNCTION(0x0, "gpio_in"), > SUNXI_FUNCTION(0x1, "gpio_out"), > SUNXI_FUNCTION(0x2, "lcd"), /* D20 */ > - SUNXI_FUNCTION(0x3, "lvds1"), /* RX */ > + SUNXI_FUNCTION(0x3, "uart2"), /* RX */ > SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 14)), > SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 15), > SUNXI_FUNCTION(0x0, "gpio_in"),