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Message-ID: <013f6d51-7f78-4de0-945d-8902f32c850a@canonical.com>
Date: Mon, 1 Apr 2024 15:28:33 +0200
From: Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
To: Jisheng Zhang <jszhang@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
<palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Emil Renner Berthing <kernel@...il.dk>, linux-riscv@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Conor Dooley <conor@...nel.org>, Aurelien Jarno <aurelien@...el32.net>
Subject: Re: [PATCH v3 6/6] riscv: dts: starfive: add Milkv Mars board device
tree
On 3/29/24 03:31, Jisheng Zhang wrote:
> On Thu, Mar 28, 2024 at 10:28:28PM +0100, Heinrich Schuchardt wrote:
>> On 2/6/24 20:13, Conor Dooley wrote:
>>> On Wed, Jan 31, 2024 at 09:26:00PM +0800, Jisheng Zhang wrote:
>>>> The Milkv Mars is a development board based on the Starfive JH7110 SoC.
>>>> The board features:
>>>>
>>>> - JH7110 SoC
>>>> - 1/2/4/8 GiB LPDDR4 DRAM
>>>> - AXP15060 PMIC
>>>> - 40 pin GPIO header
>>>> - 3x USB 3.0 host port
>>>> - 1x USB 2.0 host port
>>>> - 1x M.2 E-Key
>>>> - 1x eMMC slot
>>>> - 1x MicroSD slot
>>>> - 1x QSPI Flash
>>>> - 1x 1Gbps Ethernet port
>>>> - 1x HDMI port
>>>> - 1x 2-lane DSI and 1x 4-lane DSI
>>>> - 1x 2-lane CSI
>>>>
>>>> Add the devicetree file describing the currently supported features,
>>>> namely PMIC, UART, I2C, GPIO, SD card, QSPI Flash, eMMC and Ethernet.
>>>>
>>>> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
>>>
>>> Got a dtbs_check issue in the patchwork CI:
>>>
>>> +arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dtb: gmac1-rgmii-rxin-clock: 'clock-frequency' is a required property
>>> + from schema $id: http://devicetree.org/schemas/clock/fixed-clock.yaml#
>>> +arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dtb: gmac1-rmii-refin-clock: 'clock-frequency' is a required property
>>> + from schema $id: http://devicetree.org/schemas/clock/fixed-clock.yaml#
>>>
>>> Can you fix that please? Also, I applied some patches the other day that
>>> seem to conflict quite a bit with the common board dts patch. Would you
>>> please do a rebase on top of that please?
>>>
>>> Cheers,
>>> Conor.
>>>
>>>> ---
>>>> arch/riscv/boot/dts/starfive/Makefile | 1 +
>>>> .../boot/dts/starfive/jh7110-milkv-mars.dts | 35 +++++++++++++++++++
>>>> 2 files changed, 36 insertions(+)
>>>> create mode 100644 arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>>>>
>>>> diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
>>>> index 0141504c0f5c..2fa0cd7f31c3 100644
>>>> --- a/arch/riscv/boot/dts/starfive/Makefile
>>>> +++ b/arch/riscv/boot/dts/starfive/Makefile
>>>> @@ -8,5 +8,6 @@ DTC_FLAGS_jh7110-starfive-visionfive-2-v1.3b := -@
>>>> dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-beaglev-starlight.dtb
>>>> dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
>>>> +dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-mars.dtb
>>>> dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
>>>> dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
>>>> diff --git a/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>>>> new file mode 100644
>>>> index 000000000000..de600e799e7d
>>>> --- /dev/null
>>>> +++ b/arch/riscv/boot/dts/starfive/jh7110-milkv-mars.dts
>>>> @@ -0,0 +1,35 @@
>>>> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>>>> +/*
>>>> + * Copyright (C) 2023 Jisheng Zhang <jszhang@...nel.org>
>>>> + */
>>>> +
>>>> +/dts-v1/;
>>>> +#include "jh7110-visionfive2-mars-common.dtsi"
>>>> +
>>>> +/ {
>>>> + model = "Milk-V Mars";
>>>> + compatible = "milkv,mars", "starfive,jh7110";
>>>> +};
>>>> +
>>>> +&gmac0 {
>>>> + starfive,tx-use-rgmii-clk;
>>>> + assigned-clocks = <&aoncrg JH7110_AONCLK_GMAC0_TX>;
>>>> + assigned-clock-parents = <&aoncrg JH7110_AONCLK_GMAC0_RMII_RTX>;
>>>> +};
>>>> +
>>>> +
>>>> +&phy0 {
>>>> + motorcomm,tx-clk-adj-enabled;
>>>> + motorcomm,tx-clk-10-inverted;
>>>> + motorcomm,tx-clk-100-inverted;
>>>> + motorcomm,tx-clk-1000-inverted;
>>>> + motorcomm,rx-clk-drv-microamp = <3970>;
>>>> + motorcomm,rx-data-drv-microamp = <2910>;
>>>> + rx-internal-delay-ps = <1500>;
>>>> + tx-internal-delay-ps = <1500>;
>>>> +};
>>>> +
>>>> +&mmc1 {
>>>> + disable-wp;
>>
>> Due to which difference is 'disable-wp' necessary for the Mars board and not
>> necessary for the VisionFive 2 board?
>
> Mars doesn't have wp pin, but dunno vf2 case since I don't have a VF2
> board ;)
If the Milk-V Mars does not have a WP GPIO, we should be able to drop
this property. The VisionFive 2 does not need it either.
>>
>>>> + cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>;
>>
>> On my VisionFive 2 1.2B, and 1.3A boards GPIO 41 reflects if an SD-card is
>> inserted (as shown in U-Boot by gpio status -a). So shouldn't this value be
>> moved to the common include "jh7110-visionfive2-mars-common.dtsi" and
>> broken-cd removed from the VisionFive2 board?
>
> I tested the CD pin and can confirm it works on Mars, but I dunno whether
> this works on VF2 since I have no VF2 board.
> Could you please check whether it works or not on VF2?
As mentioned in my prior mail the card detect GPIO is working on the
VisionFive 2. StarFive acknowledged my U-Boot patch:
https://lore.kernel.org/u-boot/SHXPR01MB086314C47C281B3DDDF7BAE9E63AA@SHXPR01MB0863.CHNPR01.prod.partner.outlook.cn/
Best regards
Heinrich
>
>>
>> https://doc-en.rvspace.org/VisionFive2/PDF/SCH_RV002_V1.2A_20221216.pdf
>> has a line
>>
>> GPIO41 | SD_SDIO0_CD_GPIO41 | Micro SD：J10
>>
>> Best regards
>>
>> Heinrich
>>
>>>> +};
>>>> --
>>>> 2.43.0
>>
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