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Message-ID: <554F2AD9.3030005@redhat.com>
Date: Sun, 10 May 2015 11:54:33 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Vishnu Patekar <vishnupatekar0510@...il.com>
CC: "maxime.ripard@...e-electrons.com" <maxime.ripard@...e-electrons.com>,
emilio@...pez.com.ar, Linus Walleij <linus.walleij@...aro.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
Chen-Yu Tsai <wens@...e.org>, Jens Kuske <jenskuske@...il.com>,
Arnd Bergmann <arnd@...db.de>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-sunxi@...glegroups.com" <linux-sunxi@...glegroups.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 5/6] ARM: dts: sunxi: Add Allwinner A33 DTSI
Hi,
On 10-05-15 11:33, Vishnu Patekar wrote:
> Hi,
>
> On Sun, May 10, 2015 at 2:23 PM, Hans de Goede <hdegoede@...hat.com> wrote:
>> Hi,
>>
>> On 10-05-15 08:46, Vishnu Patekar wrote:
>>>
>>> this is based on common sun8i.dtsi patch.
>>> sun8i-a23.dtsi and sun8i-a33.dtsi are same, A33 specific features
>>> e.g. clocks can be added in future.
>>>
>>> Signed-off-by: VishnuPatekar <vishnupatekar0510@...il.com>
>>
>>
>> This seems to only contain stuff which can be shared with the a23 dts,
>> why is this not all in the common sun8i.dtsi ?
> Allwinner H3 is also sun8i, I've referred the referred the H3 dtsi
> patch sent by Jens Kuske.
> I've added common parts bet a23 and h3 in sun8i.dtsi.
Ah, I see, ok that works for me.
Regards,
Hans
>
> same note added in common sun8i PATCH 4, which I'm going to resend
> after your comment.
>
>>
>> Regards,
>>
>> Hans
>>
>>
>>> ---
>>> arch/arm/boot/dts/sun8i-a33.dtsi | 217
>>> +++++++++++++++++++++++++++++++++++++++
>>> 1 file changed, 217 insertions(+)
>>> create mode 100644 arch/arm/boot/dts/sun8i-a33.dtsi
>>>
>>> diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi
>>> b/arch/arm/boot/dts/sun8i-a33.dtsi
>>> new file mode 100644
>>> index 0000000..32489fc
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/sun8i-a33.dtsi
>>> @@ -0,0 +1,217 @@
>>> +/*
>>> + * Copyright 2014 Chen-Yu Tsai
>>> + *
>>> + * Chen-Yu Tsai <wens@...e.org>
>>> + *
>>> + * 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 "sun8i.dtsi"
>>> +
>>> +/ {
>>> + cpus {
>>> + enable-method = "allwinner,sun8i";
>>> + #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>;
>>> + };
>>> + };
>>> +
>>> + memory {
>>> + reg = <0x40000000 0x80000000>;
>>> + };
>>> +
>>> + clocks {
>>> + /* dummy clock until actually implemented */
>>> + pll5: pll5_clk {
>>> + #clock-cells = <0>;
>>> + compatible = "fixed-clock";
>>> + clock-frequency = <0>;
>>> + clock-output-names = "pll5";
>>> + };
>>> +
>>> + axi: axi_clk@...20050 {
>>> + #clock-cells = <0>;
>>> + compatible = "allwinner,sun8i-a23-axi-clk";
>>> + reg = <0x01c20050 0x4>;
>>> + clocks = <&cpu>;
>>> + clock-output-names = "axi";
>>> + };
>>> +
>>> + ahb1_gates: clk@...20060 {
>>> + #clock-cells = <1>;
>>> + compatible = "allwinner,sun8i-a23-ahb1-gates-clk";
>>> + reg = <0x01c20060 0x8>;
>>> + clocks = <&ahb1>;
>>> + clock-output-names = "ahb1_mipidsi", "ahb1_dma",
>>> + "ahb1_mmc0", "ahb1_mmc1",
>>> "ahb1_mmc2",
>>> + "ahb1_nand", "ahb1_sdram",
>>> + "ahb1_hstimer", "ahb1_spi0",
>>> + "ahb1_spi1", "ahb1_otg",
>>> "ahb1_ehci",
>>> + "ahb1_ohci", "ahb1_ve",
>>> "ahb1_lcd",
>>> + "ahb1_csi", "ahb1_be", "ahb1_fe",
>>> + "ahb1_gpu", "ahb1_spinlock",
>>> + "ahb1_drc";
>>> + };
>>> +
>>> + apb1_gates: clk@...20068 {
>>> + #clock-cells = <1>;
>>> + compatible = "allwinner,sun8i-a23-apb1-gates-clk";
>>> + reg = <0x01c20068 0x4>;
>>> + clocks = <&apb1>;
>>> + clock-output-names = "apb1_codec", "apb1_pio",
>>> + "apb1_daudio0", "apb1_daudio1";
>>> + };
>>> +
>>> + apb2: clk@...20058 {
>>> + #clock-cells = <0>;
>>> + compatible = "allwinner,sun4i-a10-apb1-clk";
>>> + reg = <0x01c20058 0x4>;
>>> + clocks = <&osc32k>, <&osc24M>, <&pll6 0>, <&pll6
>>> 0>;
>>> + clock-output-names = "apb2";
>>> + };
>>> +
>>> + apb2_gates: clk@...2006c {
>>> + #clock-cells = <1>;
>>> + compatible = "allwinner,sun8i-a23-apb2-gates-clk";
>>> + reg = <0x01c2006c 0x4>;
>>> + clocks = <&apb2>;
>>> + clock-output-names = "apb2_i2c0", "apb2_i2c1",
>>> + "apb2_i2c2", "apb2_uart0",
>>> + "apb2_uart1", "apb2_uart2",
>>> + "apb2_uart3", "apb2_uart4";
>>> + };
>>> +
>>> + mbus_clk: clk@...2015c {
>>> + #clock-cells = <0>;
>>> + compatible = "allwinner,sun8i-a23-mbus-clk";
>>> + reg = <0x01c2015c 0x4>;
>>> + clocks = <&osc24M>, <&pll6 1>, <&pll5>;
>>> + clock-output-names = "mbus";
>>> + };
>>> + };
>>> +
>>> + soc@...00000 {
>>> + dma: dma-controller@...02000 {
>>> + compatible = "allwinner,sun8i-a23-dma";
>>> + reg = <0x01c02000 0x1000>;
>>> + interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
>>> + clocks = <&ahb1_gates 6>;
>>> + resets = <&ahb1_rst 6>;
>>> + #dma-cells = <1>;
>>> + };
>>> +
>>> + pio: pinctrl@...20800 {
>>> + compatible = "allwinner,sun8i-a33-pinctrl";
>>> + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
>>> + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
>>> +
>>> + uart0_pins_a: uart0@0 {
>>> + allwinner,pins = "PF2", "PF4";
>>> + allwinner,function = "uart0";
>>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> + };
>>> +
>>> + i2c0_pins_a: i2c0@0 {
>>> + allwinner,pins = "PH2", "PH3";
>>> + allwinner,function = "i2c0";
>>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> + };
>>> +
>>> + i2c1_pins_a: i2c1@0 {
>>> + allwinner,pins = "PH4", "PH5";
>>> + allwinner,function = "i2c1";
>>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> + };
>>> +
>>> + i2c2_pins_a: i2c2@0 {
>>> + allwinner,pins = "PE12", "PE13";
>>> + allwinner,function = "i2c2";
>>> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>>> + };
>>> + };
>>> +
>>> + lradc: lradc@...22800 {
>>> + compatible = "allwinner,sun4i-a10-lradc-keys";
>>> + reg = <0x01c22800 0x100>;
>>> + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
>>> + status = "disabled";
>>> + };
>>> +
>>> + uart4: serial@...29000 {
>>> + compatible = "snps,dw-apb-uart";
>>> + reg = <0x01c29000 0x400>;
>>> + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
>>> + reg-shift = <2>;
>>> + reg-io-width = <4>;
>>> + clocks = <&apb2_gates 20>;
>>> + resets = <&apb2_rst 20>;
>>> + dmas = <&dma 10>, <&dma 10>;
>>> + dma-names = "rx", "tx";
>>> + status = "disabled";
>>> + };
>>> + };
>>> +};
>>>
>>
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