mediatek: pinctrl-mt7988: add additional uart1_2_lite group

Add UART pinctrl group for using only pins 80 and 81 for uart1.
This is needed on the BPi-R4 as RTS/CTS signals are used for other
on-board functions.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/target/linux/mediatek/files-6.1/drivers/pinctrl/mediatek/pinctrl-mt7988.c b/target/linux/mediatek/files-6.1/drivers/pinctrl/mediatek/pinctrl-mt7988.c
index 2fe17462db5eab37a14aab0049deaed9a2284961..9f9291124522c916c4e92f1598e0be44c3badad5 100644 (file)
--- a/target/linux/mediatek/files-6.1/drivers/pinctrl/mediatek/pinctrl-mt7988.c
+++ b/target/linux/mediatek/files-6.1/drivers/pinctrl/mediatek/pinctrl-mt7988.c
@@ -1037,11 +1037,11 @@ static int mt7988_uart2_3_funcs[] = { 3, 3, 3, 3 };
 static int mt7988_uart1_2_pins[] = { 80, 81, 82, 83 };
 static int mt7988_uart1_2_funcs[] = { 1, 1, 1, 1 };
 
+static int mt7988_uart1_2_lite_pins[] = { 80, 81 };
+static int mt7988_uart1_2_lite_funcs[] = { 1, 1 };
+
 static int mt7988_tops_uart1_2_pins[] = { 80, 81 };
-static int mt7988_tops_uart1_2_funcs[] = {
-       4,
-       4,
-};
+static int mt7988_tops_uart1_2_funcs[] = { 4, 4, };
 
 static int mt7988_net_wo0_uart_txd_1_pins[] = { 80 };
 static int mt7988_net_wo0_uart_txd_1_funcs[] = { 3 };
@@ -1299,6 +1299,8 @@ static const struct group_desc mt7988_groups[] = {
        PINCTRL_PIN_GROUP("pcie_wake_n2_1", mt7988_pcie_wake_n2_1),
        /*  @GPIO(80,81,82,83) uart1_2 */
        PINCTRL_PIN_GROUP("uart1_2", mt7988_uart1_2),
+       /*  @GPIO(80,81) uart1_2_lite */
+       PINCTRL_PIN_GROUP("uart1_2_lite", mt7988_uart1_2_lite),
        /*  @GPIO(80) pwm2 */
        PINCTRL_PIN_GROUP("pwm2", mt7988_pwm2),
        /*  @GPIO(81) pwm3 */
@@ -1408,6 +1410,7 @@ static const char * const mt7988_uart_groups[] = {
        "uart1_1",
        "uart2_3",
        "uart1_2",
+       "uart1_2_lite",
        "tops_uart1_2",
        "net_wo0_uart_txd_1",
        "net_wo1_uart_txd_1",