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Date: Tue, 25 Jun 2019 08:45:51 +0800
From: Guo Ren <guoren@...nel.org>
To: Andreas Färber <afaerber@...e.de>
Cc: linux-csky@...r.kernel.org, linux-kernel@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH] csky: dts: Add NationalChip GX6605S
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@kernel.org/T/#u
On Tue, Jun 25, 2019 at 8:28 AM Andreas Färber <afaerber@...e.de> 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@...e.de>
> ---
> 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@...00000 {
> + 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@...000 {
> + compatible = "csky,gx6605s-timer";
> + reg = <0x0020a000 0x400>;
> + clocks = <&dummy_apb_clk>;
> + interrupts = <10>;
> + };
> +
> + gpio: gpio@...000 {
> + 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@...000 {
> + compatible = "ns16550a";
> + reg = <0x00403000 0x400>;
> + interrupts = <15>;
> + clock-frequency = <29491200>;
> + reg-shift = <2>;
> + reg-io-width = <1>;
> + };
> +
> + intc: interrupt-controller@...000 {
> + compatible = "csky,gx6605s-intc";
> + reg = <0x00500000 0x400>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> +
> + ehci_hcd: usb@...000 {
> + compatible = "generic-ehci";
> + reg = <0x00900000 0x400>;
> + interrupts = <59>;
> + };
> +
> + ohci_hcd0: usb@...000 {
> + compatible = "generic-ohci";
> + reg = <0x00a00000 0x400>;
> + interrupts = <58>;
> + };
> +
> + ohci_hcd1: usb@...000 {
> + compatible = "generic-ohci";
> + reg = <0x00b00000 0x400>;
> + interrupts = <57>;
> + };
> + };
> +};
> --
> 2.16.4
>
--
Best Regards
Guo Ren
ML: https://lore.kernel.org/linux-csky/
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