wifi: pull-down uart_cts_a pin for realtek bt [4/4]

PD#SWPL-7373

Problem:
realtek bt not work

Solution:
pull-down uart_cts_a pin

Verify:
ampere

Change-Id: I14f57d28d081077d89c681e2ecc95a25f706c64c
Signed-off-by: libo <bo.li@amlogic.com>

diff --git a/arch/arm/boot/dts/amlogic/mesongxl.dtsi b/arch/arm/boot/dts/amlogic/mesongxl.dtsi
index e159aa6..82a9668 100644 (file)
--- a/arch/arm/boot/dts/amlogic/mesongxl.dtsi
+++ b/arch/arm/boot/dts/amlogic/mesongxl.dtsi
@@ -705,10 +705,15 @@
                mux {
                        groups = "uart_tx_a",
                                "uart_rx_a",
-                               "uart_cts_a",
                                "uart_rts_a";
                        function = "uart_a";
                };
+
+               mux1 {
+                       groups = "uart_cts_a";
+                       function = "uart_a";
+                       bias-pull-down;
+               };
        };
 
        b_uart_pins:b_uart {

diff --git a/arch/arm64/boot/dts/amlogic/mesongxl.dtsi b/arch/arm64/boot/dts/amlogic/mesongxl.dtsi
index 8c1a639..9e911c5 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/mesongxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesongxl.dtsi
@@ -692,10 +692,15 @@
                mux {
                        groups = "uart_tx_a",
                                "uart_rx_a",
-                               "uart_cts_a",
                                "uart_rts_a";
                        function = "uart_a";
                };
+
+               mux1 {
+                       groups = "uart_cts_a";
+                       function = "uart_a";
+                       bias-pull-down;
+               };
        };
 
        b_uart_pins:b_uart {