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From: Drew Fustini <fustini@kernel.org>
To: MoeLeak <i@leak.moe>
Cc: Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] riscv: dts: thead: Enable WiFi on Lichee Pi 4A
Date: Wed, 27 May 2026 15:19:23 +0200	[thread overview]
Message-ID: <ahbvWzodp1SsBb5a@gen8> (raw)
In-Reply-To: <20260508-lichee-pi-4a-wifi-v2-2-7acf63559e62@leak.moe>

On Fri, May 08, 2026 at 07:44:14PM +0800, MoeLeak wrote:
> The Lichee Pi 4A has an RTL8723DS WiFi module connected to the TH1520
> SDIO1 controller. The module reset line is driven through a PCA9557 GPIO
> expander on the I2C1 bus.
> 
> Enable I2C1 for the GPIO expander and configure SDIO1 as a non-removable
> 4-bit SDIO bus using an mmc-pwrseq-simple reset sequence so the WiFi
> device can be powered and enumerated.
> 
> Signed-off-by: MoeLeak <i@leak.moe>
> ---
>  arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 47 +++++++++++++++++++++++
>  1 file changed, 47 insertions(+)

Reviewed-by: Drew Fustini <fustini@kernel.org>

Thanks for fixing up previous revision.

Drew

WARNING: multiple messages have this Message-ID (diff)
From: Drew Fustini <fustini@kernel.org>
To: MoeLeak <i@leak.moe>
Cc: Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] riscv: dts: thead: Enable WiFi on Lichee Pi 4A
Date: Wed, 27 May 2026 15:19:23 +0200	[thread overview]
Message-ID: <ahbvWzodp1SsBb5a@gen8> (raw)
In-Reply-To: <20260508-lichee-pi-4a-wifi-v2-2-7acf63559e62@leak.moe>

On Fri, May 08, 2026 at 07:44:14PM +0800, MoeLeak wrote:
> The Lichee Pi 4A has an RTL8723DS WiFi module connected to the TH1520
> SDIO1 controller. The module reset line is driven through a PCA9557 GPIO
> expander on the I2C1 bus.
> 
> Enable I2C1 for the GPIO expander and configure SDIO1 as a non-removable
> 4-bit SDIO bus using an mmc-pwrseq-simple reset sequence so the WiFi
> device can be powered and enumerated.
> 
> Signed-off-by: MoeLeak <i@leak.moe>
> ---
>  arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 47 +++++++++++++++++++++++
>  1 file changed, 47 insertions(+)

Reviewed-by: Drew Fustini <fustini@kernel.org>

Thanks for fixing up previous revision.

Drew

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  parent reply	other threads:[~2026-05-27 13:19 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-08 11:44 [PATCH v2 0/2] riscv: dts: thead: Enable Lichee Pi 4A WiFi MoeLeak
2026-05-08 11:44 ` MoeLeak
2026-05-08 11:44 ` [PATCH v2 1/2] riscv: dts: thead: Add TH1520 I2C1 controller MoeLeak
2026-05-08 11:44   ` MoeLeak
2026-05-27 13:14   ` Drew Fustini
2026-05-27 13:14     ` Drew Fustini
2026-05-08 11:44 ` [PATCH v2 2/2] riscv: dts: thead: Enable WiFi on Lichee Pi 4A MoeLeak
2026-05-08 11:44   ` MoeLeak
2026-05-08 20:39   ` sashiko-bot
2026-05-27 13:17     ` Drew Fustini
2026-05-27 13:19   ` Drew Fustini [this message]
2026-05-27 13:19     ` Drew Fustini
2026-05-27 13:21 ` [PATCH v2 0/2] riscv: dts: thead: Enable Lichee Pi 4A WiFi Drew Fustini
2026-05-27 13:21   ` Drew Fustini

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