ARM: dts: at91: sama5d27_wlsom1: add Bluetooth usart

Add the Flexcom USART1 used for access to wilc3000
bluetooth interface.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

Author: noglitch

arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi

@@ -10,6 +10,7 @@
 #include "sama5d2.dtsi"
 #include "sama5d2-pinfunc.h"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
 #include <dt-bindings/pinctrl/at91.h>
 
 / {
@@ -96,6 +97,14 @@
 		};
 	};
 
+	pinctrl_flx1_default: flx1_usart_default {
+		pinmux = <PIN_PA24__FLEXCOM1_IO0>,
+			 <PIN_PA23__FLEXCOM1_IO1>,
+			 <PIN_PA25__FLEXCOM1_IO3>,
+			 <PIN_PA26__FLEXCOM1_IO4>;
+		bias-disable;
+	};
+
 	pinctrl_wilc_default: wilc_default {
 		conf-irq {
 			pinmux = <PIN_PB25__GPIO>;
@@ -116,6 +125,27 @@
 	};
 };
 
+&flx1 {
+	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+
+	uart6: serial@200 {
+		compatible = "atmel,at91sam9260-usart";
+		reg = <0x200 0x200>;
+		interrupts = <20 IRQ_TYPE_LEVEL_HIGH 7>;
+		dmas = <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+			 AT91_XDMAC_DT_PERID(13))>,
+		       <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+			 AT91_XDMAC_DT_PERID(14))>;
+		dma-names = "tx", "rx";
+		clocks = <&flx1_clk>;
+		clock-names = "usart";
+		pinctrl-0 = <&pinctrl_flx1_default>;
+		pinctrl-names = "default";
+	};
+};
+
 &sdmmc1 {
 	#address-cells = <1>;
 	#size-cells = <0>;

arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts

@@ -15,6 +15,7 @@
 
 	aliases {
 		serial0 = &uart0;	/* DBGU */
+		serial1 = &uart6;	/* BT */
 		serial2 = &uart5;	/* mikro BUS 2 */
 		i2c1	= &i2c1;
 	};
@@ -81,7 +82,16 @@
 		clock-names = "usart";
 		pinctrl-0 = <&pinctrl_flx0_default>;
 		pinctrl-names = "default";
+		atmel,use-dma-rx;
+		atmel,use-dma-tx;
+		status = "okay";
+	};
+};
+
+&flx1 {
+	status = "okay";
 
+	uart6: serial@200 {
 		atmel,use-dma-rx;
 		atmel,use-dma-tx;
 		status = "okay";