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Message-ID: <24f6e545-5c56-4a20-9a1f-7ad2905165f3@freeshell.de>
Date: Tue, 7 Oct 2025 02:56:41 -0700
From: E Shattow <e@...eshell.de>
To: Icenowy Zheng <uwu@...nowy.me>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Alexandre Ghiti <alex@...ti.fr>, Emil Renner Berthing <kernel@...il.dk>,
 Michael Zhu <michael.zhu@...rfivetech.com>,
 Drew Fustini <drew@...gleboard.org>, Yao Zi <ziyao@...root.org>
Cc: devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] riscv: dts: starfive: add DT for Orange Pi RV



On 10/6/25 00:39, Icenowy Zheng wrote:
> 在 2025-10-05星期日的 11:47 -0700,E Shattow写道:
>> Hi Icenowy,
>>
>> On 9/30/25 08:51, Icenowy Zheng wrote:
>>> 在 2025-09-30星期二的 18:03 +0800,Icenowy Zheng写道:
>>>> Orange Pi RV is a newly released SBC with JH7110 SoC, single GbE
>>>> port
>>>> (connected to JH7110 GMAC0 via a YT8531 PHY), 4 USB ports (via a
>>>> VL805
>>>> PCIe USB controller connected to JH7110 PCIE0), a M.2 M-key slot
>>>> (connected to JH7110 PCIE1), a HDMI video output, a 3.5mm audio
>>>> output
>>>> and a microSD slot.
>>>>
>>>> Other Onboard peripherals contain a SPI NOR (which contains the
>>>> U-
>>>> Boot
>>>> firmware), a 24c02 EEPROM storing some StarFive-specific
>>>> information
>>>> (factory programmed and read only by default) and an Ampak AP6256
>>>> SDIO
>>>> Wi-Fi module.
>>>>
>>>> Signed-off-by: Icenowy Zheng <uwu@...nowy.me>
>>>> ---
>>>> Changes in v2:
>>>> - Property order change mentioned in the review of v1.
>>>> - Added Wi-Fi (along with the always on VCC3V3_PCIE regulator,
>>>> which
>>>> is
>>>>   used to power up WIFI_3V3). The OOB IRQ is still not possible
>>>> to
>>>> use
>>>>   because of some incompatibility between StarFive pinctrl driver
>>>> and
>>>>   brcmfmac.
>>>> - Removed the LED because it's in common DTSI.
>>>>
>>>>  arch/riscv/boot/dts/starfive/Makefile         |  1 +
>>>>  .../boot/dts/starfive/jh7110-orangepi-rv.dts  | 87
>>>> +++++++++++++++++++
>>>>  2 files changed, 88 insertions(+)
>>>>  create mode 100644 arch/riscv/boot/dts/starfive/jh7110-orangepi-
>>>> rv.dts
>>>>
>>>> diff --git a/arch/riscv/boot/dts/starfive/Makefile
>>>> b/arch/riscv/boot/dts/starfive/Makefile
>>>> index b3bb12f78e7d5..24f1a44828350 100644
>>>> --- a/arch/riscv/boot/dts/starfive/Makefile
>>>> +++ b/arch/riscv/boot/dts/starfive/Makefile
>>>> @@ -10,6 +10,7 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-
>>>> visionfive-v1.dtb
>>>>  
>>>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-deepcomputing-fml13v01.dtb
>>>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-milkv-mars.dtb
>>>> +dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-orangepi-rv.dtb
>>>>  dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-pine64-star64.dtb
>>>>  dtb-$(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-orangepi-rv.dts
>>>> b/arch/riscv/boot/dts/starfive/jh7110-orangepi-rv.dts
>>>> new file mode 100644
>>>> index 0000000000000..5a917b7db6f78
>>>> --- /dev/null
>>>> +++ b/arch/riscv/boot/dts/starfive/jh7110-orangepi-rv.dts
>>>> @@ -0,0 +1,87 @@
>>>> +// SPDX-License-Identifier: GPL-2.0 OR MIT
>>>> +/*
>>>> + * Copyright (C) 2025 Icenowy Zheng <uwu@...nowy.me>
>>>> + */
>>>> +
>>>> +/dts-v1/;
>>>> +#include "jh7110-common.dtsi"
>>>> +
>>>> +/ {
>>>> +       model = "Xunlong Orange Pi RV";
>>>> +       compatible = "xunlong,orangepi-rv", "starfive,jh7110";
>>>> +
>>>> +       /* This regulator is always on by hardware */
>>>> +       reg_vcc3v3_pcie: regulator-vcc3v3-pcie {
>>>> +               compatible = "regulator-fixed";
>>>> +               regulator-name = "vcc3v3-pcie";
>>>> +               regulator-min-microvolt = <3300000>;
>>>> +               regulator-max-microvolt = <3300000>;
>>>> +               regulator-always-on;
>>>> +       };
>>>> +
>>>> +       wifi_pwrseq: wifi-pwrseq {
>>>> +               compatible = "mmc-pwrseq-simple";
>>>> +               reset-gpios = <&sysgpio 62 GPIO_ACTIVE_LOW>;
>>>> +       };
>>>> +};
>>>> +
>>>> +&gmac0 {
>>>> +       assigned-clocks = <&aoncrg JH7110_AONCLK_GMAC0_TX>;
>>>> +       assigned-clock-parents = <&aoncrg
>>>> JH7110_AONCLK_GMAC0_RMII_RTX>;
>>>> +       starfive,tx-use-rgmii-clk;
>>>> +       status = "okay";
>>>> +};
>>>> +
>>>> +&mmc0 {
>>>> +       #address-cells = <1>;
>>>> +       #size-cells = <0>;
>>>> +       cap-sd-highspeed;
>>>> +       mmc-pwrseq = <&wifi_pwrseq>;
>>>> +       vmmc-supply = <&reg_vcc3v3_pcie>;
>>>> +       vqmmc-supply = <&vcc_3v3>;
>>>> +       status = "okay";
>>>> +
>>>> +       ap6256: wifi@1 {
>>>> +               compatible = "brcm,bcm43456-fmac", "brcm,bcm4329-
>>>> fmac";
>>>> +               reg = <1>;
>>>> +               /* TODO: out-of-band IRQ on GPIO21 */
>>>> +       };
>>>> +};
>>>> +
>>
>>>> +&mmc0_pins {
>>>> +       /*
>>>> +        * As the MMC0 bus is used to connect a SDIO Wi-Fi card
>>>> instead of
>>>> +        * an eMMC card, and the eMMC RST is repurposed to be an
>>>> enablement
>>>> +        * pin of the SDIO Wi-Fi, remove it from the pinctrl node
>>>> and
>>>> manage
>>>> +        * it as a GPIO instead.
>>>> +        */
>>>> +       /delete-node/ rst-pins;
>>>> +};
>>>> +
>>
>> Listed on the schematic [1] as:
>> Default function SDIO0 RSTn GPIO62 for eMMC:J9
>> Highlighted (non-default?) function GPIO62 D17 << WIFI_EN_H_GPIO62
>> WIFI_EN_H_GPIO62 >> WIFI_PWREN (pin 12 WL_REG_ON of module AP6256)
>>
>> I've sent a patch [2] to portion out mmc0 reset pins from jh7110-
>> common.dtsi
>>
>>>> +&mmc1 {
>>>> +       /delete-property/ cd-gpios;
>>>> +       broken-cd;
>>>
>>> Well it's found that the card detect is working, although with
>>> different polarity with other boards.
>>>
>>> Here should be:
>>> ```
>>>         cd-gpios = <&sysgpio 41 GPIO_ACTIVE_HIGH>;
>>> ```
>>>
>>> Will be fixed in the next revision.
>>
>> Yes, listed on the schematic [1] as:
>> SD SDIO0 CD GPIO41 for MicroSD:J10
>>
>> There is not a mention of active high or active low on the schematic
>> label, however there is listed a 10Kohm pull-up to +Vdd1.833 for the
>> circuit diagram of the Micro SD Card. The card holder is referenced
>> to
>> ground and could reasonably be N/O or N/C switch operation depending
>> on
>> the exact part selected for manufacture.
>>
>>>
>>>> +};
>>>> +
>>>> +&pcie0 {
>>>> +       status = "okay";
>>>> +};
>>>> +
>>>> +&pcie1 {
>>>> +       status = "okay";
>>>> +};
>>>> +
>>
>>>> +&phy0 {
>>>> +       rx-internal-delay-ps = <1500>;
>>>> +       tx-internal-delay-ps = <1500>;
>>>> +       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>;
>>>> +};
>>
>> 'motorcomm,rx' before 'motorcomm,tx' in `LANG=C sort` of vendor-
>> specific
>> properties.
>>
>>>> +
>>>> +&pwmdac {
>>>> +       status = "okay";
>>>> +};
>>>
>> Additional non-default GPIO as listed in the Orange Pi design:
>> GPIO21 WIFI_WAKE_HOST_H /* default vf2 function PCIE_PWREN_H_GPIO21
>> */
>> GPIO22 >> BT_UART_RXD /* default vf2 function MIPI_PWR_EN */
>> GPIO23 << BT_UART_TXD /* default vf2 function LCD RESET */
>> GPIO24 << BT_UART_CTS /* default vf2 function MIPI_LCD_BL */
>> GPIO25 << BT_UART_RTS /* default vf2 function TP_DET_GPIO25 */
>> GPIO30 << BT_EN_H_GPIO30 /* default vf2 function TP_INT_L */
>> GPIO31 << BT_WAKE_GPIO31 /* default vf2 function TP_RST_L */
>>
>> Of all the above, GPIO21 is defined in jh7110-common.dtsi
>> &pcie1_pins/wake-pins and may need consideration.
>>
>> There is a note about "PMIC_PWRON as Key" and so does this have the
>> meaning of it is used as an input device?
>>
>> Also noted is that the USB over-current circuit appears to be
>> implemented, different than being absent in other VF2 designs.
>>
>> 1:
>> http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/service-and-support/Orange-Pi-RV.html
>> 2:
>> https://lore.kernel.org/lkml/20251005174450.1949110-1-e@freeshell.de/
>>
>> With the card detect describing hardware corrected, and clean up the
>> vendor property sort, then please confirm if you think GPIO21 is
>> described correctly.
> 
> Well yes, GPIO21 should be splitted from PCIe pinctrl and assigned to
> be the out-of-band IRQ of the Wi-Fi module. My DT omits this because
> the jh7110 pinctrl driver is currently not compatible with brcmfmac
> out-of-band IRQ code.
> 
> Should I add /delete-node/ for it?
> 
>>
>> Acked-by: E Shattow <e@...eshell.de>
>>
> 

No, it is not needed to /delete-node/. Add some note to the commit
message that the WiFi/Bt functionality is not complete for this series
because of out-of-band IRQ requirement.

GPIO21 is also changed in dts for DeepComputing Framework Laptop 13 V01
and so it will make sense to split GPIO21 out from jh7110-common.dtsi in
a separate patch. We can return after then to the topic of the AP6256 on
Orange Pi RV and Milk-V Mars CM.

Thank you very much,

-E

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