arm: dts: sun8i: a83t: Add the UART1 controller

The A83T has an UART1 controller, with the RTS and CTS pins routed so it
can be used for devices with hardware flow control, like a bluetooth chip.

Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 91dee79..a9032c2 100644 (file)
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -373,6 +373,16 @@
                                pins = "PF2", "PF4";
                                function = "uart0";
                        };
+
+                       uart1_pins: uart1-pins {
+                               pins = "PG6", "PG7";
+                               function = "uart1";
+                       };
+
+                       uart1_rts_cts_pins: uart1-rts-cts-pins {
+                               pins = "PG8", "PG9";
+                               function = "uart1";
+                       };
                };
 
                timer@1c20c00 {
@@ -417,6 +427,17 @@
                        status = "disabled";
                };
 
+               uart1: serial@01c28400 {
+                       compatible = "snps,dw-apb-uart";
+                       reg = <0x01c28400 0x400>;
+                       interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clocks = <&ccu CLK_BUS_UART1>;
+                       resets = <&ccu RST_BUS_UART1>;
+                       status = "disabled";
+               };
+
                gic: interrupt-controller@1c81000 {
                        compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
                        reg = <0x01c81000 0x1000>,