ARM64: dts: meson-gx: add the serial CTS and RTS pin groups

This adds pinctrl group nodes for the CTS and RTS pins of each serial
controller. This makes it possible to enable the CTS and RTS pins which
are controlled by the serial controller hardware (through the meson_uart
driver).

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 474435e..f001c4d 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -138,6 +138,14 @@
                        };
                };
 
+               uart_ao_a_cts_rts_pins: uart_ao_a_cts_rts {
+                       mux {
+                               groups = "uart_cts_ao_a",
+                                      "uart_rts_ao_a";
+                               function = "uart_ao";
+                       };
+               };
+
                uart_ao_b_pins: uart_ao_b {
                        mux {
                                groups = "uart_tx_ao_b", "uart_rx_ao_b";
@@ -145,6 +153,14 @@
                        };
                };
 
+               uart_ao_b_cts_rts_pins: uart_ao_b_cts_rts {
+                       mux {
+                               groups = "uart_cts_ao_b",
+                                      "uart_rts_ao_b";
+                               function = "uart_ao_b";
+                       };
+               };
+
                remote_input_ao_pins: remote_input_ao {
                        mux {
                                groups = "remote_input_ao";
@@ -290,6 +306,14 @@
                        };
                };
 
+               uart_a_cts_rts_pins: uart_a_cts_rts {
+                       mux {
+                               groups = "uart_cts_a",
+                                      "uart_rts_a";
+                               function = "uart_a";
+                       };
+               };
+
                uart_b_pins: uart_b {
                        mux {
                                groups = "uart_tx_b",
@@ -298,6 +322,14 @@
                        };
                };
 
+               uart_b_cts_rts_pins: uart_b_cts_rts {
+                       mux {
+                               groups = "uart_cts_b",
+                                      "uart_rts_b";
+                               function = "uart_b";
+                       };
+               };
+
                uart_c_pins: uart_c {
                        mux {
                                groups = "uart_tx_c",
@@ -306,6 +338,14 @@
                        };
                };
 
+               uart_c_cts_rts_pins: uart_c_cts_rts {
+                       mux {
+                               groups = "uart_cts_c",
+                                      "uart_rts_c";
+                               function = "uart_c";
+                       };
+               };
+
                i2c_a_pins: i2c_a {
                        mux {
                                groups = "i2c_sck_a",

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index 6d815f9..f3d1566 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -88,6 +88,14 @@
                        };
                };
 
+               uart_ao_a_cts_rts_pins: uart_ao_a_cts_rts {
+                       mux {
+                               groups = "uart_cts_ao_a",
+                                      "uart_rts_ao_a";
+                               function = "uart_ao";
+                       };
+               };
+
                uart_ao_b_pins: uart_ao_b {
                        mux {
                                groups = "uart_tx_ao_b", "uart_rx_ao_b";
@@ -95,6 +103,14 @@
                        };
                };
 
+               uart_ao_b_cts_rts_pins: uart_ao_b_cts_rts {
+                       mux {
+                               groups = "uart_cts_ao_b",
+                                      "uart_rts_ao_b";
+                               function = "uart_ao_b";
+                       };
+               };
+
                remote_input_ao_pins: remote_input_ao {
                        mux {
                                groups = "remote_input_ao";
@@ -170,6 +186,14 @@
                        };
                };
 
+               uart_a_cts_rts_pins: uart_a_cts_rts {
+                       mux {
+                               groups = "uart_cts_a",
+                                      "uart_rts_a";
+                               function = "uart_a";
+                       };
+               };
+
                uart_b_pins: uart_b {
                        mux {
                                groups = "uart_tx_b",
@@ -178,6 +202,14 @@
                        };
                };
 
+               uart_b_cts_rts_pins: uart_b_cts_rts {
+                       mux {
+                               groups = "uart_cts_b",
+                                      "uart_rts_b";
+                               function = "uart_b";
+                       };
+               };
+
                uart_c_pins: uart_c {
                        mux {
                                groups = "uart_tx_c",
@@ -186,6 +218,14 @@
                        };
                };
 
+               uart_c_cts_rts_pins: uart_c_cts_rts {
+                       mux {
+                               groups = "uart_cts_c",
+                                      "uart_rts_c";
+                               function = "uart_c";
+                       };
+               };
+
                i2c_a_pins: i2c_a {
                        mux {
                                groups = "i2c_sck_a",