On Tue, Sep 22, 2015 at 11:38:56PM +0800, Vishnu Patekar wrote: > Allwinner A83T is new octa-core cortex-a7 SOC. > This adds the basic dtsi, the clocks differs from > earlier sun8i SOCs. > > Signed-off-by: Vishnu Patekar <[email protected]> > --- > arch/arm/boot/dts/sun8i-a83t.dtsi | 243 > ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 243 insertions(+) > create mode 100644 arch/arm/boot/dts/sun8i-a83t.dtsi > > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi > b/arch/arm/boot/dts/sun8i-a83t.dtsi > new file mode 100644 > index 0000000..f6ddd9c > --- /dev/null > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi > @@ -0,0 +1,243 @@ > +/* > + * Copyright 2015 Vishnu Patekar > + * > + * Vishnu Patekar <[email protected]> > + * > + * This file is dual-licensed: you can use it either under the terms > + * of the GPL or the X11 license, at your option. Note that this dual > + * licensing only applies to this file, and not this project as a > + * whole. > + * > + * a) This file is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of the > + * License, or (at your option) any later version. > + * > + * This file 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. > + * > + * Or, alternatively, > + * > + * b) Permission is hereby granted, free of charge, to any person > + * obtaining a copy of this software and associated documentation > + * files (the "Software"), to deal in the Software without > + * restriction, including without limitation the rights to use, > + * copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following > + * conditions: > + * > + * The above copyright notice and this permission notice shall be > + * included in all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES > + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT > + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, > + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + > + */ > + > +#include "skeleton.dtsi" > + > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +#include <dt-bindings/pinctrl/sun4i-a10.h> > + > +/ { > + interrupt-parent = <&gic>; > + > + chosen { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + }; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpu@0 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <0>; > + }; > + > + cpu@1 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <1>; > + }; > + > + cpu@2 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <2>; > + }; > + > + cpu@3 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <3>; > + }; > + cpu@4 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <4>; > + }; > + > + cpu@5 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <5>; > + }; > + cpu@6 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <6>; > + }; > + > + cpu@7 { > + compatible = "arm,cortex-a7"; > + device_type = "cpu"; > + reg = <7>; > + }; > + }; > + > + memory { > + reg = <0x40000000 0x80000000>; > + }; > + > + timer { > + compatible = "arm,armv7-timer"; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | > IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | > IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | > IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | > IRQ_TYPE_LEVEL_LOW)>; > + clock-frequency = <24000000>; > + arm,cpu-registers-not-fw-configured; > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + osc24M: osc24M_clk { > + #clock-cells = <0>; > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "osc24M"; > + }; > + > + osc32k: osc32k_clk { > + #clock-cells = <0>; > + compatible = "fixed-clock"; > + clock-frequency = <32768>; > + clock-output-names = "osc32k"; > + }; > + }; > + > + soc@01c00000 { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + > + pio: pinctrl@01c20800 { > + compatible = "allwinner,sun8i-a83t-pinctrl"; > + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; > + /* compatible gets set in SoC specific dtsi file */
Which DTSI?
> + reg = <0x01c20800 0x400>;
> + /* interrupts get set in SoC specific dtsi file */
Ditto
> + clocks = <&osc24M>;
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + #gpio-cells = <3>;
> +
> + uart0_pins_a: uart0@0 {
> + allwinner,pins = "PF2", "PF4";
> + allwinner,function = "uart0";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + mmc0_pins_a: mmc0@0 {
> + allwinner,pins = "PF0", "PF1", "PF2",
> + "PF3", "PF4", "PF5";
> + allwinner,function = "mmc0";
> + allwinner,drive = <SUN4I_PINCTRL_30_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + mmc1_pins_a: mmc1@0 {
> + allwinner,pins = "PG0", "PG1", "PG2",
> + "PG3", "PG4", "PG5";
> + allwinner,function = "mmc1";
> + allwinner,drive = <SUN4I_PINCTRL_30_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + mmc2_8bit_pins: mmc2_8bit {
> + allwinner,pins = "PC5", "PC6", "PC8",
> + "PC9", "PC10", "PC11",
> + "PC12", "PC13", "PC14",
> + "PC15";
> + allwinner,function = "mmc2";
> + allwinner,drive = <SUN4I_PINCTRL_30_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + i2c0_pins_a: i2c0@0 {
> + allwinner,pins = "PH0", "PH1";
> + allwinner,function = "i2c0";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + i2c1_pins_a: i2c1@0 {
> + allwinner,pins = "PH2", "PH3";
> + allwinner,function = "i2c1";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + i2c2_pins_a: i2c2@0 {
> + allwinner,pins = "PH4", "PH5";
> + allwinner,function = "i2c2";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
Please order those by alphabetical order.
> + };
> +
> + uart0: serial@01c28000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x01c28000 0x400>;
> + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clocks = <&osc24M>;
> + status = "disabled";
> + };
> +
> + gic: interrupt-controller@01c81000 {
> + compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
> + reg = <0x01c81000 0x1000>,
> + <0x01c82000 0x1000>,
> + <0x01c84000 0x2000>,
> + <0x01c86000 0x2000>;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
> IRQ_TYPE_LEVEL_HIGH)>;
> + };
> +
> + };
> +};
> --
> 1.9.1
>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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