linux-kernel - Re: [PATCH 31/31] arm64: zynqmp: Add support for Xilinx Kria SOM board

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Message-ID: <8404cf0d-08ee-627c-f842-819baf3420eb@xilinx.com>
Date:   Wed, 9 Jun 2021 14:19:40 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Michal Simek <michal.simek@...inx.com>
CC:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Simek <monstr@...str.eu>, <git@...inx.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Michael Walle <michael@...le.cc>,
        "Rob Herring" <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 31/31] arm64: zynqmp: Add support for Xilinx Kria SOM
 board

Hi Geert,

On 6/9/21 2:04 PM, Geert Uytterhoeven wrote:
> Hi Michal,
> 
> On Wed, Jun 9, 2021 at 1:46 PM Michal Simek <michal.simek@...inx.com> wrote:
>> There are couple of revisions of SOMs (k26) and associated carrier cards
>> (kv260).
>> SOM itself has two major versions:
>> sm-k26 - SOM with EMMC
>> smk-k26 - SOM without EMMC used on starter kit with preprogrammed firmware
>> in QSPI.
>>
>> SOMs are describing only devices available on the SOM or connections which
>> are described in specification (for example UART, fwuen).
>>
>> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> 
> Thanks for your patch!
> 
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dts
>> @@ -0,0 +1,371 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * dts file for KV260 revA Carrier Card
>> + *
>> + * (C) Copyright 2020, Xilinx, Inc.
>> + *
>> + * SD level shifter:
>> + * "A" – A01 board un-modified (NXP)
>> + * "Y" – A01 board modified with legacy interposer (Nexperia)
>> + * "Z" – A01 board modified with Diode interposer
>> + *
>> + * Michal Simek <michal.simek@...inx.com>
>> + */
>> +
>> + #include <dt-bindings/gpio/gpio.h>
>> + #include <dt-bindings/net/ti-dp83867.h>
>> + #include <dt-bindings/phy/phy.h>
>> + #include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
>> +
>> +/dts-v1/;
>> +/plugin/;
>> +
>> +/{
>> +       compatible = "xlnx,zynqmp-sk-kv260-revA",
>> +                    "xlnx,zynqmp-sk-kv260-revY",
>> +                    "xlnx,zynqmp-sk-kv260-revZ",
>> +                    "xlnx,zynqmp-sk-kv260", "xlnx,zynqmp";
>> +
>> +       fragment1 {
>> +               target = <&i2c1>; /* I2C_SCK C23/C24 - MIO from SOM */
>> +
>> +               __overlay__ {
> 
> Please use overlay sugar syntax, which is supported by the dtc
> supplied with the kernel since v4.15.

No problem I will.

Thanks,
Michal