[PATCH 1/2] arm64: dts: NS2: Add all of the UARTs

Jon Mason jon.mason at broadcom.com
Wed May 11 15:56:08 PDT 2016


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 at broadcom.com>
---
 arch/arm64/boot/dts/broadcom/ns2-svk.dts | 16 ++++++++++++++++
 arch/arm64/boot/dts/broadcom/ns2.dtsi    | 30 ++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
index 7cd3640..b062a44 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 788ed8f..c77a9e8 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 at 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 at 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 at 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 at 66130000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x66130000 0x100>;
-- 
1.9.1




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