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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
Date: Wed, 29 May 2024 21:49:49 +0200	[thread overview]
Message-ID: <87zfs89z4y.fsf@igel.home> (raw)
In-Reply-To: <f18a74a5-330e-402a-93ca-5552faf00e7e@sifive.com> (Samuel Holland's message of "Wed, 29 May 2024 14:30:31 -0500")

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."

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
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
Date: Wed, 29 May 2024 21:49:49 +0200	[thread overview]
Message-ID: <87zfs89z4y.fsf@igel.home> (raw)
In-Reply-To: <f18a74a5-330e-402a-93ca-5552faf00e7e@sifive.com> (Samuel Holland's message of "Wed, 29 May 2024 14:30:31 -0500")

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."

  reply	other threads:[~2024-05-29 19:50 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-08 11:15 [PATCH v1 0/2] riscv: dts: starfive: Enable Bluetooth on JH7100 boards Emil Renner Berthing
2024-05-08 11:15 ` Emil Renner Berthing
2024-05-08 11:15 ` [PATCH v1 1/2] riscv: dts: starfive: Add JH7100 high speed UARTs Emil Renner Berthing
2024-05-08 11:15   ` Emil Renner Berthing
2024-05-08 11:15 ` [PATCH v1 2/2] riscv: dts: starfive: Enable Bluetooth on JH7100 boards Emil Renner Berthing
2024-05-08 11:15   ` Emil Renner Berthing
2024-05-10  7:42 ` [PATCH v1 0/2] " Andreas Schwab
2024-05-10  7:42   ` Andreas Schwab
2024-05-10  9:02   ` Emil Renner Berthing
2024-05-10  9:02     ` Emil Renner Berthing
2024-05-10  9:35     ` Andreas Schwab
2024-05-10  9:35       ` Andreas Schwab
2024-05-28 11:30       ` Conor Dooley
2024-05-28 11:30         ` Conor Dooley
2024-05-28 15:37         ` Andreas Schwab
2024-05-28 15:37           ` Andreas Schwab
2024-05-28 15:38           ` Conor Dooley
2024-05-28 15:38             ` Conor Dooley
2024-05-29  8:49       ` Emil Renner Berthing
2024-05-29  8:49         ` Emil Renner Berthing
2024-05-29  8:57         ` Emil Renner Berthing
2024-05-29  8:57           ` Emil Renner Berthing
2024-05-29 15:53         ` Andreas Schwab
2024-05-29 15:53           ` Andreas Schwab
2024-05-29 19:30           ` Samuel Holland
2024-05-29 19:30             ` Samuel Holland
2024-05-29 19:49             ` Andreas Schwab [this message]
2024-05-29 19:49               ` Andreas Schwab

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