linux-kernel - [PATCH] arm: sunxi: fix f1c100s pinctrl function.

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Date:   Wed,  4 May 2022 19:59:04 +0800
From:   IotaHydrae <writeforever@...mail.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     IotaHydrae <writeforever@...mail.com>
Subject: [PATCH] arm: sunxi: fix f1c100s pinctrl function.

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@...mail.com>
---
 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"),
-- 
2.32.0