| Message ID | 1433319533-24803-3-git-send-email-mars.cheng@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wednesday, June 03, 2015 04:18:53 PM Mars Cheng wrote: > This enables mt6580 basic support: interrupt, timer & uart. > > Signed-off-by: Mars Cheng <mars.cheng@mediatek.com> > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/mt6580-evbp1.dts | 34 ++++++++++ > arch/arm/boot/dts/mt6580.dtsi | 130 > +++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+) > create mode 100644 arch/arm/boot/dts/mt6580-evbp1.dts > create mode 100644 arch/arm/boot/dts/mt6580.dtsi > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 86217db..9298531 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -656,6 +656,7 @@ dtb-$(CONFIG_MACH_DOVE) += \ > dove-d3plug.dtb \ > dove-dove-db.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += \ > + mt6580-evbp1.dtb \ > mt6589-aquaris5.dtb \ > mt6592-evb.dtb \ > mt8127-moose.dtb \ > diff --git a/arch/arm/boot/dts/mt6580-evbp1.dts > b/arch/arm/boot/dts/mt6580-evbp1.dts new file mode 100644 > index 0000000..fbc0e10 > --- /dev/null > +++ b/arch/arm/boot/dts/mt6580-evbp1.dts > @@ -0,0 +1,34 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Mars.C <mars.cheng@mediatek.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +/dts-v1/; > +#include "mt6580.dtsi" > + > +/ { > + model = "MediaTek MT6580 evaluation board"; > + compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580"; > + > + chosen { > + bootargs = "console=ttyS0,921600n8 root=/dev/ram > initrd=0x88000000,0x400000 earlyprintk"; + }; the root and initrd parameters seems really specific for your way you boot the board, but are not necessary to boot e.g. with a initramfs. Please delete this two parameters. Apart instead of console please use stdout-path to specify to which uart the console should be connected. Thanks, Matthias > + > + memory { > + reg = <0x80000000 0x20000000>; > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > + > diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi > new file mode 100644 > index 0000000..de669e2 > --- /dev/null > +++ b/arch/arm/boot/dts/mt6580.dtsi > @@ -0,0 +1,130 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Mars.C <mars.cheng@mediatek.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > +#include "skeleton.dtsi" > + > +/ { > + compatible = "mediatek,mt6580"; > + interrupt-parent = <&sysirq>; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x0>; > + }; > + cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x1>; > + }; > + cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x2>; > + }; > + cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x3>; > + }; > + > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "simple-bus"; > + ranges; > + > + system_clk: dummy13m { > + compatible = "fixed-clock"; > + clock-frequency = <13000000>; > + #clock-cells = <0>; > + }; > + > + rtc_clk: dummy32k { > + compatible = "fixed-clock"; > + clock-frequency = <32000>; > + #clock-cells = <0>; > + }; > + > + uart_clk: dummy26m { > + compatible = "fixed-clock"; > + clock-frequency = <26000000>; > + #clock-cells = <0>; > + }; > + }; > + > + soc { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "simple-bus"; > + ranges; > + > + timer: timer@10008000 { > + compatible = "mediatek,mt6580-timer", > + "mediatek,mt6577-timer"; > + reg = <0x10008000 0x80>; > + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&system_clk>, <&rtc_clk>; > + clock-names = "system-clk", "rtc-clk"; > + }; > + > + sysirq: interrupt-controller@10200100 { > + compatible = "mediatek,mt6580-sysirq", > + "mediatek,mt6577-sysirq"; > + interrupt-controller; > + #interrupt-cells = <3>; > + interrupt-parent = <&gic>; > + reg = <0x10200100 0x1c>; > + }; > + > + gic: interrupt-controller@10211000 { > + compatible = "arm,cortex-a7-gic"; > + interrupt-controller; > + #interrupt-cells = <3>; > + interrupt-parent = <&gic>; > + reg = <0x10211000 0x1000>, > + <0x10212000 0x1000>, > + <0x10214000 0x2000>, > + <0x10216000 0x2000>; > + }; > + > + uart0: serial@11005000 { > + compatible = "mediatek,mt6580-uart", > + "mediatek,mt6577-uart"; > + reg = <0x11005000 0x400>; > + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&uart_clk>; > + clock-names = "baud"; > + status = "disabled"; > + }; > + > + uart1: serial@11006000 { > + compatible = "mediatek,mt6580-uart", > + "mediatek,mt6577-uart"; > + reg = <0x11006000 0x400>; > + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&uart_clk>; > + clock-names = "baud"; > + status = "disabled"; > + }; > + }; > +};
On Wednesday, June 03, 2015 04:18:53 PM Mars Cheng wrote: > This enables mt6580 basic support: interrupt, timer & uart. > > Signed-off-by: Mars Cheng <mars.cheng@mediatek.com> > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/mt6580-evbp1.dts | 34 ++++++++++ > arch/arm/boot/dts/mt6580.dtsi | 130 > +++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+) > create mode 100644 arch/arm/boot/dts/mt6580-evbp1.dts > create mode 100644 arch/arm/boot/dts/mt6580.dtsi > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 86217db..9298531 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -656,6 +656,7 @@ dtb-$(CONFIG_MACH_DOVE) += \ > dove-d3plug.dtb \ > dove-dove-db.dtb > dtb-$(CONFIG_ARCH_MEDIATEK) += \ > + mt6580-evbp1.dtb \ > mt6589-aquaris5.dtb \ > mt6592-evb.dtb \ > mt8127-moose.dtb \ > diff --git a/arch/arm/boot/dts/mt6580-evbp1.dts > b/arch/arm/boot/dts/mt6580-evbp1.dts new file mode 100644 > index 0000000..fbc0e10 > --- /dev/null > +++ b/arch/arm/boot/dts/mt6580-evbp1.dts > @@ -0,0 +1,34 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Mars.C <mars.cheng@mediatek.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +/dts-v1/; > +#include "mt6580.dtsi" > + > +/ { > + model = "MediaTek MT6580 evaluation board"; > + compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580"; > + > + chosen { > + bootargs = "console=ttyS0,921600n8 root=/dev/ram > initrd=0x88000000,0x400000 earlyprintk"; + }; > + > + memory { > + reg = <0x80000000 0x20000000>; > + }; > +}; > + > +&uart0 { > + status = "okay"; > +}; > + > diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi > new file mode 100644 > index 0000000..de669e2 > --- /dev/null > +++ b/arch/arm/boot/dts/mt6580.dtsi > @@ -0,0 +1,130 @@ > +/* > + * Copyright (c) 2015 MediaTek Inc. > + * Author: Mars.C <mars.cheng@mediatek.com> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/interrupt-controller/arm-gic.h> > +#include "skeleton.dtsi" > + > +/ { > + compatible = "mediatek,mt6580"; > + interrupt-parent = <&sysirq>; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x0>; > + }; > + cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x1>; > + }; > + cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x2>; > + }; > + cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a7"; > + reg = <0x3>; > + }; > + > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "simple-bus"; > + ranges; > + > + system_clk: dummy13m { > + compatible = "fixed-clock"; > + clock-frequency = <13000000>; > + #clock-cells = <0>; > + }; > + > + rtc_clk: dummy32k { > + compatible = "fixed-clock"; > + clock-frequency = <32000>; > + #clock-cells = <0>; > + }; > + > + uart_clk: dummy26m { > + compatible = "fixed-clock"; > + clock-frequency = <26000000>; > + #clock-cells = <0>; > + }; > + }; > + > + soc { Please drop the soc node as well and just add the components directly. Thanks, Matthias
On Tue, 2015-06-23 at 12:29 -0700, Matthias Brugger wrote: > On Wednesday, June 03, 2015 04:18:53 PM Mars Cheng wrote: > > This enables mt6580 basic support: interrupt, timer & uart. > > > > Signed-off-by: Mars Cheng <mars.cheng@mediatek.com> > > --- > > arch/arm/boot/dts/Makefile | 1 + > > arch/arm/boot/dts/mt6580-evbp1.dts | 34 ++++++++++ > > arch/arm/boot/dts/mt6580.dtsi | 130 > > +++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+) > > create mode 100644 arch/arm/boot/dts/mt6580-evbp1.dts > > create mode 100644 arch/arm/boot/dts/mt6580.dtsi > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > index 86217db..9298531 100644 > > --- a/arch/arm/boot/dts/Makefile > > +++ b/arch/arm/boot/dts/Makefile > > @@ -656,6 +656,7 @@ dtb-$(CONFIG_MACH_DOVE) += \ > > dove-d3plug.dtb \ > > dove-dove-db.dtb > > dtb-$(CONFIG_ARCH_MEDIATEK) += \ > > + mt6580-evbp1.dtb \ > > mt6589-aquaris5.dtb \ > > mt6592-evb.dtb \ > > mt8127-moose.dtb \ > > diff --git a/arch/arm/boot/dts/mt6580-evbp1.dts > > b/arch/arm/boot/dts/mt6580-evbp1.dts new file mode 100644 > > index 0000000..fbc0e10 > > --- /dev/null > > +++ b/arch/arm/boot/dts/mt6580-evbp1.dts > > @@ -0,0 +1,34 @@ > > +/* > > + * Copyright (c) 2015 MediaTek Inc. > > + * Author: Mars.C <mars.cheng@mediatek.com> > > + * > > + * This program is free software; you can redistribute it and/or modify > > + * it under the terms of the GNU General Public License version 2 as > > + * published by the Free Software Foundation. > > + * > > + * This program is distributed in the hope that it will be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + */ > > + > > +/dts-v1/; > > +#include "mt6580.dtsi" > > + > > +/ { > > + model = "MediaTek MT6580 evaluation board"; > > + compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580"; > > + > > + chosen { > > + bootargs = "console=ttyS0,921600n8 root=/dev/ram > > initrd=0x88000000,0x400000 earlyprintk"; + }; > > the root and initrd parameters seems really specific for your way you boot the > board, but are not necessary to boot e.g. with a initramfs. > Please delete this two parameters. Thanks for this suggestion. I will remove these two parameters in next version. > > Apart instead of console please use stdout-path to specify to which uart the > console should be connected. Got it, the chosen node in the next version will be: chosen { bootargs = "console=ttyS0,921600n8 earlyprintk"; stdout-path = &uart0; }; Thanks. > > Thanks, > Matthias > > > + > > + memory { > > + reg = <0x80000000 0x20000000>; > > + }; > > +}; > > + > > +&uart0 { > > + status = "okay"; > > +}; > > + > > diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi > > new file mode 100644 > > index 0000000..de669e2 > > --- /dev/null > > +++ b/arch/arm/boot/dts/mt6580.dtsi > > @@ -0,0 +1,130 @@ > > +/* > > + * Copyright (c) 2015 MediaTek Inc. > > + * Author: Mars.C <mars.cheng@mediatek.com> > > + * > > + * This program is free software; you can redistribute it and/or modify > > + * it under the terms of the GNU General Public License version 2 as > > + * published by the Free Software Foundation. > > + * > > + * This program is distributed in the hope that it will be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + */ > > + > > +#include <dt-bindings/interrupt-controller/irq.h> > > +#include <dt-bindings/interrupt-controller/arm-gic.h> > > +#include "skeleton.dtsi" > > + > > +/ { > > + compatible = "mediatek,mt6580"; > > + interrupt-parent = <&sysirq>; > > + > > + cpus { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + cpu@0 { > > + device_type = "cpu"; > > + compatible = "arm,cortex-a7"; > > + reg = <0x0>; > > + }; > > + cpu@1 { > > + device_type = "cpu"; > > + compatible = "arm,cortex-a7"; > > + reg = <0x1>; > > + }; > > + cpu@2 { > > + device_type = "cpu"; > > + compatible = "arm,cortex-a7"; > > + reg = <0x2>; > > + }; > > + cpu@3 { > > + device_type = "cpu"; > > + compatible = "arm,cortex-a7"; > > + reg = <0x3>; > > + }; > > + > > + }; > > + > > + clocks { > > + #address-cells = <1>; > > + #size-cells = <1>; > > + compatible = "simple-bus"; > > + ranges; > > + > > + system_clk: dummy13m { > > + compatible = "fixed-clock"; > > + clock-frequency = <13000000>; > > + #clock-cells = <0>; > > + }; > > + > > + rtc_clk: dummy32k { > > + compatible = "fixed-clock"; > > + clock-frequency = <32000>; > > + #clock-cells = <0>; > > + }; > > + > > + uart_clk: dummy26m { > > + compatible = "fixed-clock"; > > + clock-frequency = <26000000>; > > + #clock-cells = <0>; > > + }; > > + }; > > + > > + soc { > > + #address-cells = <1>; > > + #size-cells = <1>; > > + compatible = "simple-bus"; > > + ranges; > > + > > + timer: timer@10008000 { > > + compatible = "mediatek,mt6580-timer", > > + "mediatek,mt6577-timer"; > > + reg = <0x10008000 0x80>; > > + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>; > > + clocks = <&system_clk>, <&rtc_clk>; > > + clock-names = "system-clk", "rtc-clk"; > > + }; > > + > > + sysirq: interrupt-controller@10200100 { > > + compatible = "mediatek,mt6580-sysirq", > > + "mediatek,mt6577-sysirq"; > > + interrupt-controller; > > + #interrupt-cells = <3>; > > + interrupt-parent = <&gic>; > > + reg = <0x10200100 0x1c>; > > + }; > > + > > + gic: interrupt-controller@10211000 { > > + compatible = "arm,cortex-a7-gic"; > > + interrupt-controller; > > + #interrupt-cells = <3>; > > + interrupt-parent = <&gic>; > > + reg = <0x10211000 0x1000>, > > + <0x10212000 0x1000>, > > + <0x10214000 0x2000>, > > + <0x10216000 0x2000>; > > + }; > > + > > + uart0: serial@11005000 { > > + compatible = "mediatek,mt6580-uart", > > + "mediatek,mt6577-uart"; > > + reg = <0x11005000 0x400>; > > + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; > > + clocks = <&uart_clk>; > > + clock-names = "baud"; > > + status = "disabled"; > > + }; > > + > > + uart1: serial@11006000 { > > + compatible = "mediatek,mt6580-uart", > > + "mediatek,mt6577-uart"; > > + reg = <0x11006000 0x400>; > > + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>; > > + clocks = <&uart_clk>; > > + clock-names = "baud"; > > + status = "disabled"; > > + }; > > + }; > > +}; >
On Tue, 2015-06-23 at 21:45 +0200, Matthias Brugger wrote: > > + soc { > > Please drop the soc node as well and just add the components directly. > > Thanks, > Matthias May I know the reason to remove the soc node? I follow other xxxx.dtsi to add this node. Thanks.
On Wednesday, June 24, 2015 07:59:13 PM Mars Cheng wrote: > On Tue, 2015-06-23 at 21:45 +0200, Matthias Brugger wrote: > > > + soc { > > > > Please drop the soc node as well and just add the components directly. > > > > Thanks, > > Matthias > > May I know the reason to remove the soc node? I follow other xxxx.dtsi > to add this node. The device tree is reflecting the hardware, if you add a soc node like this, it is seen like a bus, but there is not really a bus. I think point of view about this has change over time and nowadays it is preferred not to add a soc node. Regards, Matthias
On Wed, 2015-06-24 at 22:25 +0200, Matthias Brugger wrote: > On Wednesday, June 24, 2015 07:59:13 PM Mars Cheng wrote: > > On Tue, 2015-06-23 at 21:45 +0200, Matthias Brugger wrote: > > > > + soc { > > > > > > Please drop the soc node as well and just add the components directly. > > > > > > Thanks, > > > Matthias > > > > May I know the reason to remove the soc node? I follow other xxxx.dtsi > > to add this node. > > The device tree is reflecting the hardware, if you add a soc node like this, it > is seen like a bus, but there is not really a bus. > > I think point of view about this has change over time and nowadays it is > preferred not to add a soc node. > > Regards, > Matthias Got it. Will remove the soc node and prepare the new patch. Thanks a lot.
Hi Matthias May I double confirm with you that soc node is MUST removed? If yes, we will upstream dtsi with this format for other new chips. Thanks. On Thu, 2015-06-25 at 08:15 +0800, Mars Cheng wrote: > On Wed, 2015-06-24 at 22:25 +0200, Matthias Brugger wrote: > > On Wednesday, June 24, 2015 07:59:13 PM Mars Cheng wrote: > > > On Tue, 2015-06-23 at 21:45 +0200, Matthias Brugger wrote: > > > > > + soc { > > > > > > > > Please drop the soc node as well and just add the components directly. > > > > > > > > Thanks, > > > > Matthias > > > > > > May I know the reason to remove the soc node? I follow other xxxx.dtsi > > > to add this node. > > > > The device tree is reflecting the hardware, if you add a soc node like this, it > > is seen like a bus, but there is not really a bus. > > > > I think point of view about this has change over time and nowadays it is > > preferred not to add a soc node. > > > > Regards, > > Matthias > Got it. Will remove the soc node and prepare the new patch. > > Thanks a lot. > > > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-mediatek
On Thursday, July 02, 2015 11:29:01 AM Mars Cheng wrote: > Hi Matthias > > May I double confirm with you that soc node is MUST removed? > If yes, we will upstream dtsi with this format for other new chips. Please don't top post. Yes, soc node has to be removed. Cheers, Matthias
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 86217db..9298531 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -656,6 +656,7 @@ dtb-$(CONFIG_MACH_DOVE) += \ dove-d3plug.dtb \ dove-dove-db.dtb dtb-$(CONFIG_ARCH_MEDIATEK) += \ + mt6580-evbp1.dtb \ mt6589-aquaris5.dtb \ mt6592-evb.dtb \ mt8127-moose.dtb \ diff --git a/arch/arm/boot/dts/mt6580-evbp1.dts b/arch/arm/boot/dts/mt6580-evbp1.dts new file mode 100644 index 0000000..fbc0e10 --- /dev/null +++ b/arch/arm/boot/dts/mt6580-evbp1.dts @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Mars.C <mars.cheng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/dts-v1/; +#include "mt6580.dtsi" + +/ { + model = "MediaTek MT6580 evaluation board"; + compatible = "mediatek,mt6580-evbp1", "mediatek,mt6580"; + + chosen { + bootargs = "console=ttyS0,921600n8 root=/dev/ram initrd=0x88000000,0x400000 earlyprintk"; + }; + + memory { + reg = <0x80000000 0x20000000>; + }; +}; + +&uart0 { + status = "okay"; +}; + diff --git a/arch/arm/boot/dts/mt6580.dtsi b/arch/arm/boot/dts/mt6580.dtsi new file mode 100644 index 0000000..de669e2 --- /dev/null +++ b/arch/arm/boot/dts/mt6580.dtsi @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2015 MediaTek Inc. + * Author: Mars.C <mars.cheng@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include "skeleton.dtsi" + +/ { + compatible = "mediatek,mt6580"; + interrupt-parent = <&sysirq>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x1>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x2>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x3>; + }; + + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges; + + system_clk: dummy13m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + }; + + rtc_clk: dummy32k { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + clock-frequency = <26000000>; + #clock-cells = <0>; + }; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + ranges; + + timer: timer@10008000 { + compatible = "mediatek,mt6580-timer", + "mediatek,mt6577-timer"; + reg = <0x10008000 0x80>; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>; + clocks = <&system_clk>, <&rtc_clk>; + clock-names = "system-clk", "rtc-clk"; + }; + + sysirq: interrupt-controller@10200100 { + compatible = "mediatek,mt6580-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0x10200100 0x1c>; + }; + + gic: interrupt-controller@10211000 { + compatible = "arm,cortex-a7-gic"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0x10211000 0x1000>, + <0x10212000 0x1000>, + <0x10214000 0x2000>, + <0x10216000 0x2000>; + }; + + uart0: serial@11005000 { + compatible = "mediatek,mt6580-uart", + "mediatek,mt6577-uart"; + reg = <0x11005000 0x400>; + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + clock-names = "baud"; + status = "disabled"; + }; + + uart1: serial@11006000 { + compatible = "mediatek,mt6580-uart", + "mediatek,mt6577-uart"; + reg = <0x11006000 0x400>; + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + clock-names = "baud"; + status = "disabled"; + }; + }; +};
This enables mt6580 basic support: interrupt, timer & uart. Signed-off-by: Mars Cheng <mars.cheng@mediatek.com> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/mt6580-evbp1.dts | 34 ++++++++++ arch/arm/boot/dts/mt6580.dtsi | 130 +++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+) create mode 100644 arch/arm/boot/dts/mt6580-evbp1.dts create mode 100644 arch/arm/boot/dts/mt6580.dtsi