[PATCH v9 28/36] pinctrl: airoha: an7583: add support for npu_uart pinmux

[Mikhail Kshevetskiy]

Add support for uart pin function for npu_uart pin group.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@xxxxxxxxx>
---
 drivers/pinctrl/airoha/pinctrl-an7583.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/airoha/pinctrl-an7583.c b/drivers/pinctrl/airoha/pinctrl-an7583.c
index 44efccce78c55..dc88cbd8746bb 100644
--- a/drivers/pinctrl/airoha/pinctrl-an7583.c
+++ b/drivers/pinctrl/airoha/pinctrl-an7583.c
@@ -68,6 +68,7 @@
 #define REG_NPU_UART_EN				0x0224
 #define JTAG_UDI_EN_MASK			BIT(4)
 #define JTAG_DFD_EN_MASK			BIT(3)
+#define NPU_UART_EN_MASK			BIT(2)
 
 #define REG_FORCE_GPIO_EN			0x0228
 #define FORCE_GPIO_EN(n)			BIT(n)
@@ -571,7 +572,7 @@ static const char *const sipo_groups[] = { "sipo", "sipo_rclk" };
 static const char *const mdio_groups[] = { "mdio" };
 static const char *const uart_groups[] = {
 	"uart2", "uart2_cts_rts", "hsuart", "hsuart_cts_rts",
-	"uart4", "uart5"
+	"uart4", "uart5", "npu_uart"
 };
 static const char *const i2c_groups[] = { "i2c0", "i2c1" };
 static const char *const jtag_groups[] = { "jtag_udi", "jtag_dfd" };
@@ -751,6 +752,15 @@ static const struct airoha_pinctrl_func_group uart_func_group[] = {
 			GPIO_UART5_MODE_MASK
 		},
 		.regmap_size = 1,
+	}, {
+		.name = "npu_uart",
+		.regmap[0] = {
+			AIROHA_FUNC_MUX,
+			REG_NPU_UART_EN,
+			NPU_UART_EN_MASK,
+			NPU_UART_EN_MASK
+		},
+		.regmap_size = 1,
 	},
 };
 
-- 
2.53.0