From: Ludovic Desroches <ludovic.desroches@microchip.com>
To: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: <nicolas.ferre@microchip.com>,
<alexandre.belloni@free-electrons.com>, <robh+dt@kernel.org>,
<mark.rutland@arm.com>, <linux@armlinux.org.uk>, <sza@esh.hu>,
<devicetree@vger.kernel.org>, <cristian.birsan@microchip.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 4/5] ARM: dts: at91: at91-sama5d27_som1: add sama5d27 SoM1 support
Date: Thu, 29 Jun 2017 16:58:41 +0200 [thread overview]
Message-ID: <20170629145841.srpjgcdw7jo2f6as@rfolt0960.corp.atmel.com> (raw)
In-Reply-To: <1498736674-9233-5-git-send-email-claudiu.beznea@microchip.com>
On Thu, Jun 29, 2017 at 02:44:33PM +0300, Claudiu Beznea wrote:
> Add specific DTS file and bindings for sama5d27 SoM1 board.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
> Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
> ---
> arch/arm/boot/dts/at91-sama5d27_som1.dtsi | 178 ++++++++++++++++++++++++++++++
> 1 file changed, 178 insertions(+)
> create mode 100644 arch/arm/boot/dts/at91-sama5d27_som1.dtsi
>
> diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
> new file mode 100644
> index 0000000..b3af4d4
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
> @@ -0,0 +1,178 @@
> +/*
> + * at91-sama5d27_som1.dtsi - Device Tree file for SAMA5D27 SoM1 board
> + *
> + * Copyright (c) 2017, Microchip Technology Inc.
> + * 2017 Cristian Birsan <cristian.birsan@microchip.com>
> + * 2017 Claudiu Beznea <claudiu.beznea@microchip.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 "sama5d2.dtsi"
> +#include "sama5d2-pinfunc.h"
> +
> +/ {
> + model = "Atmel SAMA5D27 SoM1";
> + compatible = "atmel,sama5d27-som1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
> +
> + clocks {
> + slow_xtal {
> + clock-frequency = <32768>;
> + };
> +
> + main_xtal {
> + clock-frequency = <24000000>;
> + };
> + };
> +
> + ahb {
> + apb {
> + qspi1: spi@f0024000 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_qspi1_default>;
> + flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <83000000>;
> + m25p,fast-read;
> +
> + at91bootstrap@00000000 {
> + label = "at91bootstrap";
> + reg = <0x00000000 0x00010000>;
> + };
> +
> + bootloaderenv@00010000 {
> + label = "bootloader env";
> + reg = <0x00010000 0x00010000>;
> + };
> +
> + bootloader@00020000 {
> + label = "bootloader";
> + reg = <0x00020000 0x00050000>;
> + };
> +
> + dtb@00070000 {
> + label = "device tree";
> + reg = <0x00070000 0x00010000>;
> + };
> +
> + kernel@00080000 {
> + label = "kernel";
> + reg = <0x00080000 0x00380000>;
> + };
I am wondering if it's a good idea to give the flash map here. If we
take a kernel generated by a sama5_defconfig, it is about 3.8 MB.
> + };
> + };
> +
> + macb0: ethernet@f8008000 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_macb0_default>;
> + phy-mode = "rmii";
> +
> + ethernet-phy@1 {
> + reg = <0x1>;
> + interrupt-parent = <&pioA>;
> + interrupts = <73 IRQ_TYPE_LEVEL_LOW>;
Are you sure about this value? pinctrl tells PD31 so 127. By the way, it
is better to use macros: PIN_PD31.
Regards
Ludovic
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_macb0_phy_irq>;
> + };
> + };
> +
> + i2c0: i2c@f8028000 {
> + dmas = <0>, <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c0_default>;
> + i2c-sda-hold-time-ns = <350>;
> + status = "disabled";
> +
> + 24aa@50 {
> + compatible = "24mac602";
> + reg = <0x50>;
> + pagesize = <8>;
> + start-offset = /bits/ 8 <0xf8>;
> + read-only;
> + };
> + };
> +
> + pinctrl@fc038000 {
> +
> + pinctrl_i2c0_default: i2c0_default {
> + pinmux = <PIN_PD21__TWD0>,
> + <PIN_PD22__TWCK0>;
> + bias-disable;
> + };
> +
> + pinctrl_macb0_default: macb0_default {
> + pinmux = <PIN_PD9__GTXCK>,
> + <PIN_PD10__GTXEN>,
> + <PIN_PD11__GRXDV>,
> + <PIN_PD12__GRXER>,
> + <PIN_PD13__GRX0>,
> + <PIN_PD14__GRX1>,
> + <PIN_PD15__GTX0>,
> + <PIN_PD16__GTX1>,
> + <PIN_PD17__GMDC>,
> + <PIN_PD18__GMDIO>;
> + bias-disable;
> + };
> +
> + pinctrl_macb0_phy_irq: macb0_phy_irq {
> + pinmux = <PIN_PD31__GPIO>;
> + bias-disable;
> + };
> +
> + pinctrl_qspi1_default: qspi1_default {
> + sck_cs {
> + pinmux = <PIN_PB5__QSPI1_SCK>,
> + <PIN_PB6__QSPI1_CS>;
> + bias-disable;
> + };
> +
> + data {
> + pinmux = <PIN_PB7__QSPI1_IO0>,
> + <PIN_PB8__QSPI1_IO1>,
> + <PIN_PB9__QSPI1_IO2>,
> + <PIN_PB10__QSPI1_IO3>;
> + bias-pull-up;
> + };
> + };
> + };
> + };
> + };
> +};
> --
> 2.7.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2017-06-29 14:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-29 11:44 [PATCH 0/5] Add SoM1 support Claudiu Beznea
2017-06-29 11:44 ` [PATCH 1/5] ARM: dts: at91: sama5d2: add QSPI nodes Claudiu Beznea
2017-06-29 11:44 ` [PATCH 2/5] ARM: dts: at91: sama5d2: add isc node Claudiu Beznea
2017-06-29 11:44 ` [PATCH 3/5] drivers: soc: atmel: Add basic support for new sama5d2 SiPs Claudiu Beznea
2017-06-29 11:44 ` [PATCH 4/5] ARM: dts: at91: at91-sama5d27_som1: add sama5d27 SoM1 support Claudiu Beznea
2017-06-29 14:58 ` Ludovic Desroches [this message]
2017-06-30 12:38 ` m18063
2017-06-30 12:57 ` Ludovic Desroches
2017-06-30 13:01 ` m18063
2017-06-29 11:44 ` [PATCH 5/5] ARM: dts: sama5d27_som1_ek: Add sama5d27 SoM1 EK support Claudiu Beznea
2017-06-29 11:59 ` Baruch Siach
2017-06-29 12:16 ` Alexandre Belloni
2017-06-30 12:28 ` m18063
2017-06-29 15:04 ` Ludovic Desroches
2017-06-30 12:32 ` m18063
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170629145841.srpjgcdw7jo2f6as@rfolt0960.corp.atmel.com \
--to=ludovic.desroches@microchip.com \
--cc=alexandre.belloni@free-electrons.com \
--cc=claudiu.beznea@microchip.com \
--cc=cristian.birsan@microchip.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=mark.rutland@arm.com \
--cc=nicolas.ferre@microchip.com \
--cc=robh+dt@kernel.org \
--cc=sza@esh.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).