arm64: dts: NS2: Add all of the UARTs

Add all of the UARTs present on NS2 and enable them in the SVK device
tree file.  Also, do some magic to make sure that uart3 is discovered as
ttyS0 (as that is the console UART).

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

2 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
index 7cd364087385..b062a44a39c7 100644
--- a/arch/arm64/boot/dts/broadcom/ns2-svk.dts
+++ b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
@@ -40,10 +40,14 @@
 
         aliases {
                 serial0 = &uart3;
+                serial1 = &uart0;
+                serial2 = &uart1;
+                serial3 = &uart2;
         };
 
         chosen {
                 stdout-path = "serial0:115200n8";
+                bootargs = "earlycon=uart8250,mmio32,0x66130000";
         };
 
         memory {
@@ -68,6 +72,18 @@
         status = "ok";
 };
 
+&uart0 {
+        status = "ok";
+};
+
+&uart1 {
+        status = "ok";
+};
+
+&uart2 {
+        status = "ok";
+};
+
 &uart3 {
         status = "ok";
 };
diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
index 788ed8f9f2bc..c77a9e86e9f8 100644
--- a/arch/arm64/boot/dts/broadcom/ns2.dtsi
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -357,6 +357,36 @@
                         status = "disabled";
                 };
 
+                uart0: serial@66100000 {
+                        compatible = "snps,dw-apb-uart";
+                        reg = <0x66100000 0x100>;
+                        interrupts = <GIC_SPI 390 IRQ_TYPE_LEVEL_HIGH>;
+                        clocks = <&iprocslow>;
+                        reg-shift = <2>;
+                        reg-io-width = <4>;
+                        status = "disabled";
+                };
+
+                uart1: serial@66110000 {
+                        compatible = "snps,dw-apb-uart";
+                        reg = <0x66110000 0x100>;
+                        interrupts = <GIC_SPI 391 IRQ_TYPE_LEVEL_HIGH>;
+                        clocks = <&iprocslow>;
+                        reg-shift = <2>;
+                        reg-io-width = <4>;
+                        status = "disabled";
+                };
+
+                uart2: serial@66120000 {
+                        compatible = "snps,dw-apb-uart";
+                        reg = <0x66120000 0x100>;
+                        interrupts = <GIC_SPI 392 IRQ_TYPE_LEVEL_HIGH>;
+                        clocks = <&iprocslow>;
+                        reg-shift = <2>;
+                        reg-io-width = <4>;
+                        status = "disabled";
+                };
+
                 uart3: serial@66130000 {
                         compatible = "snps,dw-apb-uart";
                         reg = <0x66130000 0x100>;