APM X-Gene Storm SoC supports 4 serial ports. This patch adds device nodes for serial ports 1 to 3 (a device node for serial port 0 is already present in the dts file). This patch also sets the compatible property of serial nodes to "ns16550a".
Signed-off-by: Vinayak Kale <[email protected]> --- arch/arm64/boot/dts/apm-mustang.dts | 4 ++++ arch/arm64/boot/dts/apm-storm.dtsi | 36 +++++++++++++++++++++++++++++++++++- 2 files changed, 39 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/apm-mustang.dts b/arch/arm64/boot/dts/apm-mustang.dts index 1247ca1..6541962 100644 --- a/arch/arm64/boot/dts/apm-mustang.dts +++ b/arch/arm64/boot/dts/apm-mustang.dts @@ -24,3 +24,7 @@ reg = < 0x1 0x00000000 0x0 0x80000000 >; /* Updated by bootloader */ }; }; + +&serial0 { + status = "ok"; +}; diff --git a/arch/arm64/boot/dts/apm-storm.dtsi b/arch/arm64/boot/dts/apm-storm.dtsi index d37d736..2277b5c 100644 --- a/arch/arm64/boot/dts/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm-storm.dtsi @@ -179,13 +179,47 @@ }; serial0: serial@1c020000 { + status = "disabled"; device_type = "serial"; - compatible = "ns16550"; + compatible = "ns16550a"; reg = <0 0x1c020000 0x0 0x1000>; reg-shift = <2>; clock-frequency = <10000000>; /* Updated by bootloader */ interrupt-parent = <&gic>; interrupts = <0x0 0x4c 0x4>; }; + + serial1: serial@1c021000 { + status = "disabled"; + device_type = "serial"; + compatible = "ns16550a"; + reg = <0 0x1c021000 0x0 0x1000>; + reg-shift = <2>; + clock-frequency = <10000000>; /* Updated by bootloader */ + interrupt-parent = <&gic>; + interrupts = <0x0 0x4d 0x4>; + }; + + serial2: serial@1c022000 { + status = "disabled"; + device_type = "serial"; + compatible = "ns16550a"; + reg = <0 0x1c022000 0x0 0x1000>; + reg-shift = <2>; + clock-frequency = <10000000>; /* Updated by bootloader */ + interrupt-parent = <&gic>; + interrupts = <0x0 0x4e 0x4>; + }; + + serial3: serial@1c023000 { + status = "disabled"; + device_type = "serial"; + compatible = "ns16550a"; + reg = <0 0x1c023000 0x0 0x1000>; + reg-shift = <2>; + clock-frequency = <10000000>; /* Updated by bootloader */ + interrupt-parent = <&gic>; + interrupts = <0x0 0x4f 0x4>; + }; }; }; -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
