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Message-ID: <ZgrIXHNRTB_NeDeF@xhacker>
Date: Mon, 1 Apr 2024 22:44:44 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
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 Mon, Apr 01, 2024 at 03:28:33PM +0200, Heinrich Schuchardt wrote:
> 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.
Nope, dropping this property would result in RO sdcard on vf2.
>
> > >
> > > > > + 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/
Thanks for confirmation.
>
> 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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