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Message-ID: <20150922155450.GL4684@lukather>
Date: Tue, 22 Sep 2015 17:54:50 +0200
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Vishnu Patekar <vishnupatekar0510@...il.com>
Cc: robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
linux@....linux.org.uk, emilio@...pez.com.ar,
linus.walleij@...aro.org, jenskuske@...il.com, hdegoede@...hat.com,
wens@...e.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-sunxi@...glegroups.com, linux-gpio@...r.kernel.org
Subject: Re: [PATCH 3/4] ARM: dts: sun8i: Add Allwinner A83T dtsi
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 <vishnupatekar0510@...il.com>
> ---
> 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 <vishnupatekar0510@...il.com>
> + *
> + * 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@...00000 {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + pio: pinctrl@...20800 {
> + 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@...28000 {
> + 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@...81000 {
> + 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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