diff options
| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2021-04-06 14:09:19 +0200 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2021-04-09 14:11:25 +0930 |
| commit | ed09d269b9589db37fb1aea04b793cff7ac183bb (patch) | |
| tree | 26017be2a411f5caf9cd255bdb83a731cb42959b | |
| parent | 328d1c1a92d9eea42943af9edd5393dcd06bd591 (diff) | |
| download | linux-ed09d269b9589db37fb1aea04b793cff7ac183bb.tar.bz2 | |
ARM: dts: Add devicetree for Nuvoton WPCM450 BMC chip
The WPCM450 is an older BMC SoC in the Nuvoton NPCM family, originally
marketed as Winbond WPCM450.
This patch adds a devicetree with basic functionality.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210406120921.2484986-9-j.neuschaefer@gmx.net
Signed-off-by: Joel Stanley <joel@jms.id.au>
| -rw-r--r-- | arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi new file mode 100644 index 000000000000..d7cbeb187484 --- /dev/null +++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +// Copyright 2021 Jonathan Neuschäfer + +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + compatible = "nuvoton,wpcm450"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + }; + }; + + clk24m: clock-24mhz { + /* 24 MHz dummy clock */ + compatible = "fixed-clock"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&aic>; + ranges; + + serial0: serial@b8000000 { + compatible = "nuvoton,wpcm450-uart"; + reg = <0xb8000000 0x20>; + reg-shift = <2>; + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk24m>; + status = "disabled"; + }; + + serial1: serial@b8000100 { + compatible = "nuvoton,wpcm450-uart"; + reg = <0xb8000100 0x20>; + reg-shift = <2>; + interrupts = <8 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk24m>; + status = "disabled"; + }; + + timer0: timer@b8001000 { + compatible = "nuvoton,wpcm450-timer"; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xb8001000 0x1c>; + clocks = <&clk24m>; + }; + + watchdog0: watchdog@b800101c { + compatible = "nuvoton,wpcm450-wdt"; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xb800101c 0x4>; + clocks = <&clk24m>; + status = "disabled"; + }; + + aic: interrupt-controller@b8002000 { + compatible = "nuvoton,wpcm450-aic"; + reg = <0xb8002000 0x1000>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; +}; |