[PATCH v5 7/8] ARM: dts: Declare UARTs on zx297520v3 boards

[Stefan Dösinger]

Signed-off-by: Stefan Dösinger <stefandoesinger at gmail.com>

---

Changes since v4:
* Declare all uarts
* Remove the UART aliases for now. I can revisit this when I get my
hands on a board that exposes two UARTs.
---
 arch/arm/boot/dts/zte/zx297520v3-dlink-dwr932m.dts |  4 +++
 arch/arm/boot/dts/zte/zx297520v3.dtsi              | 39 ++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/zte/zx297520v3-dlink-dwr932m.dts b/arch/arm/boot/dts/zte/zx297520v3-dlink-dwr932m.dts
index ac20215fddef..1700f46aba86 100644
--- a/arch/arm/boot/dts/zte/zx297520v3-dlink-dwr932m.dts
+++ b/arch/arm/boot/dts/zte/zx297520v3-dlink-dwr932m.dts
@@ -16,3 +16,7 @@ memory at 20000000 {
 		reg = <0x20000000 0x04000000>;
 	};
 };
+
+&uart1 {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/zte/zx297520v3.dtsi b/arch/arm/boot/dts/zte/zx297520v3.dtsi
index 903050c684cb..ca65797ed926 100644
--- a/arch/arm/boot/dts/zte/zx297520v3.dtsi
+++ b/arch/arm/boot/dts/zte/zx297520v3.dtsi
@@ -20,6 +20,15 @@ cpu at 0 {
 		};
 	};
 
+	/* Base bus clock and default for the UART. It will be replaced once a clock driver has
+	 * been added.
+	 */
+	uartclk: uartclk: uartclk-26000000 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <26000000>;
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
@@ -60,5 +69,35 @@ gic: interrupt-controller at f2000000 {
 			reg = <0xf2000000 0x10000>,
 			      <0xf2040000 0x20000>;
 		};
+
+		uart0: serial at 131000 {
+			compatible = "arm,primecell";
+			arm,primecell-periphid = <0x0018c011>;
+			reg = <0x00131000 0x1000>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&uartclk>, <&uartclk>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
+
+		uart1: serial at 1408000 {
+			compatible = "arm,pl011", "arm,primecell";
+			arm,primecell-periphid = <0x0018c011>;
+			reg = <0x01408000 0x1000>;
+			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&uartclk>, <&uartclk>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
+
+		uart2: serial at 140d000 {
+			compatible = "arm,primecell";
+			arm,primecell-periphid = <0x0018c011>;
+			reg = <0x0140d000 0x1000>;
+			interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&uartclk>, <&uartclk>;
+			clock-names = "uartclk", "apb_pclk";
+			status = "disabled";
+		};
 	};
 };

-- 
2.53.0