Received-SPF: pass (google.com: domain of linux-kernel+bounces-194625-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
From: Andreas Schwab <schwab@linux-m68k.org>
To: Samuel Holland <samuel.holland@sifive.com>
Cc: Emil Renner Berthing <emil.renner.berthing@canonical.com>,
  devicetree@vger.kernel.org,  linux-riscv@lists.infradead.org,
  linux-kernel@vger.kernel.org,  Emil Renner Berthing <kernel@esmil.dk>,
  Rob Herring <robh@kernel.org>,  Krzysztof Kozlowski <krzk+dt@kernel.org>,
  Conor Dooley <conor+dt@kernel.org>,  Paul Walmsley
 <paul.walmsley@sifive.com>,  Palmer Dabbelt <palmer@dabbelt.com>,  Albert
 Ou <aou@eecs.berkeley.edu>
Subject: Re: [PATCH v1 0/2] riscv: dts: starfive: Enable Bluetooth on JH7100
 boards
In-Reply-To: <f18a74a5-330e-402a-93ca-5552faf00e7e@sifive.com> (Samuel
	Holland's message of "Wed, 29 May 2024 14:30:31 -0500")
References: <20240508111604.887466-1-emil.renner.berthing@canonical.com>
	<87wmo2nmee.fsf@linux-m68k.org>
	<CAJM55Z-F6N6ua5LoqyMFogDtLp=FaRPoDv4osXFDMjR1b8r9nw@mail.gmail.com>
	<87zfsy102h.fsf@igel.home>
	<CAJM55Z8Ce1i==pSUj0z4T2y71g713-675mAYQP5qSN5Euz=rLQ@mail.gmail.com>
	<878qzsbona.fsf@igel.home>
	<f18a74a5-330e-402a-93ca-5552faf00e7e@sifive.com>
Date: Wed, 29 May 2024 21:49:49 +0200
Message-ID: <87zfs89z4y.fsf@igel.home>
User-Agent: Gnus/5.13 (Gnus v5.13)
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain

On Mai 29 2024, Samuel Holland wrote:

> If the Bluetooth part has some dependency (pinconf, reset pin, clock, regulator,
> etc.), then such dependency must be declared specifically for the Bluetooth in
> the DT. Those seem to be correct, so maybe the issue is the maximum UART
> frequency, if the signal integrity is marginal. Have you tried reducing that?

How to do that?

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."