Thx for the patch. No need seperate part into dtsi, just follow: https://lore.kernel.org/linux-csky/1561376581-19568-1-git-send-email-guoren@xxxxxxxxxx/T/#u On Tue, Jun 25, 2019 at 8:28 AM Andreas Färber <afaerber@xxxxxxx> wrote: > > Add Device Trees for NationalChip GX6605S SoC (based on CK610 CPU) and its > dev board. GxLoader expects as filename gx6605s.dtb, so keep that. > The bootargs are prepared to boot from USB and to output to serial. > > Compatibles for the SoC and board are left out for now. > > Signed-off-by: Andreas Färber <afaerber@xxxxxxx> > --- > arch/csky/boot/dts/gx6605s.dts | 104 ++++++++++++++++++++++++++++++++++++++++ > arch/csky/boot/dts/gx6605s.dtsi | 82 +++++++++++++++++++++++++++++++ > 2 files changed, 186 insertions(+) > create mode 100644 arch/csky/boot/dts/gx6605s.dts > create mode 100644 arch/csky/boot/dts/gx6605s.dtsi > > diff --git a/arch/csky/boot/dts/gx6605s.dts b/arch/csky/boot/dts/gx6605s.dts > new file mode 100644 > index 000000000000..f7511024ec6f > --- /dev/null > +++ b/arch/csky/boot/dts/gx6605s.dts > @@ -0,0 +1,104 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause */ > +/* > + * GX6605S dev board > + * > + * Copyright (c) 2019 Andreas Färber > + */ > + > +/dts-v1/; > + > +#include <dt-bindings/gpio/gpio.h> > + > +#include "gx6605s.dtsi" > + > +/ { > + model = "Nationalchip GX6605S"; > + > + aliases { > + serial0 = &uart; > + }; > + > + chosen { > + bootargs = "console=ttyS0,115200n8 root=/dev/sda2 rw rootwait"; > + stdout-path = "serial0:115200n8"; > + }; > + > + memory@10000000 { > + device_type = "memory"; > + reg = <0x10000000 0x04000000>; > + }; > + > + dummy_apb_clk: dummy-apb-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; /* guesstimate */ > + #clock-cells = <0>; > + }; > + > + buttons { > + compatible = "gpio-keys-polled"; > + poll-interval = <100>; > + autorepeat; > + > + button5 { > + label = "button5"; > + linux,code = <103>; > + gpios = <&gpio 5 GPIO_ACTIVE_LOW>; > + }; > + > + button6 { > + label = "button6"; > + linux,code = <106>; > + gpios = <&gpio 6 GPIO_ACTIVE_LOW>; > + }; > + > + button7 { > + label = "button7"; > + linux,code = <28>; > + gpios = <&gpio 7 GPIO_ACTIVE_LOW>; > + }; > + > + button8 { > + label = "button8"; > + linux,code = <105>; > + gpios = <&gpio 8 GPIO_ACTIVE_LOW>; > + }; > + > + button9 { > + label = "button9"; > + linux,code = <108>; > + gpios = <&gpio 9 GPIO_ACTIVE_LOW>; > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + led0 { > + label = "led10"; > + gpios = <&gpio 10 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "heartbeat"; > + }; > + > + led1 { > + label = "led11"; > + gpios = <&gpio 11 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "timer"; > + }; > + > + led2 { > + label = "led12"; > + gpios = <&gpio 12 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "default-on"; > + }; > + > + led3 { > + label = "led13"; > + gpios = <&gpio 13 GPIO_ACTIVE_LOW>; > + linux,default-trigger = "default-on"; > + }; > + }; > +}; > + > +&timer0 { > + clocks = <&dummy_apb_clk>; > +}; > diff --git a/arch/csky/boot/dts/gx6605s.dtsi b/arch/csky/boot/dts/gx6605s.dtsi > new file mode 100644 > index 000000000000..956af5674add > --- /dev/null > +++ b/arch/csky/boot/dts/gx6605s.dtsi > @@ -0,0 +1,82 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause */ > +/* > + * NationalChip GX6605S SoC > + * > + * Copyright (c) 2019 Andreas Färber > + */ > + > +/ { > + #address-cells = <1>; > + #size-cells = <1>; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "csky,ck610"; > + reg = <0>; > + }; > + }; > + > + soc { > + compatible = "simple-bus"; > + interrupt-parent = <&intc>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + timer0: timer@20a000 { > + compatible = "csky,gx6605s-timer"; > + reg = <0x0020a000 0x400>; > + clocks = <&dummy_apb_clk>; > + interrupts = <10>; > + }; > + > + gpio: gpio@305000 { > + compatible = "wd,mbl-gpio"; > + reg-names = "dirout", "dat", "set", "clr"; > + reg = <0x00305000 0x4>, > + <0x00305004 0x4>, > + <0x00305008 0x4>, > + <0x0030500c 0x4>; > + gpio-controller; > + #gpio-cells = <2>; > + }; > + > + uart: serial@403000 { > + compatible = "ns16550a"; > + reg = <0x00403000 0x400>; > + interrupts = <15>; > + clock-frequency = <29491200>; > + reg-shift = <2>; > + reg-io-width = <1>; > + }; > + > + intc: interrupt-controller@500000 { > + compatible = "csky,gx6605s-intc"; > + reg = <0x00500000 0x400>; > + interrupt-controller; > + #interrupt-cells = <1>; > + }; > + > + ehci_hcd: usb@900000 { > + compatible = "generic-ehci"; > + reg = <0x00900000 0x400>; > + interrupts = <59>; > + }; > + > + ohci_hcd0: usb@a00000 { > + compatible = "generic-ohci"; > + reg = <0x00a00000 0x400>; > + interrupts = <58>; > + }; > + > + ohci_hcd1: usb@b00000 { > + compatible = "generic-ohci"; > + reg = <0x00b00000 0x400>; > + interrupts = <57>; > + }; > + }; > +}; > -- > 2.16.4 > -- Best Regards Guo Ren ML: https://lore.kernel.org/linux-csky/