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From: Marek Vasut <marex@denx.de>
To: Frank Li <Frank.li@nxp.com>
Cc: "Uwe Kleine-König" <ukleinek@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
	imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, pratikmanvar09@gmail.com,
	francesco@dolcini.it, "Conor Dooley" <conor.dooley@microchip.com>
Subject: Re: [PATCH v3 1/3] dt-bindings: pwm: imx: Add optional clock '32k'
Date: Wed, 11 Sep 2024 23:14:15 +0200	[thread overview]
Message-ID: <a34ae0b8-ff5c-415c-9d36-1f94fba99243@denx.de> (raw)
In-Reply-To: <ZuIHLRhOjDOouWD7@lizhi-Precision-Tower-5810>

On 9/11/24 11:10 PM, Frank Li wrote:
> On Wed, Sep 11, 2024 at 10:28:52PM +0200, Marek Vasut wrote:
>> On 9/10/24 9:07 PM, Frank Li wrote:
>>> The pwm in imx8qxp mipi subsystem require one extra '32k' clock. So
>>> increase maxItems for clock and clock-names.
>>
>> This mentions MIPI subsystem, but the IP in question here is PWM.
> 
> Here, mipi just name of subsystem, not related MIPI IP at all.
> 
> There are many IP in i.MX8QXP mipi subsystem, such as i2c, PWM, MIPI PHY,
> MIPI controller, PLL, clock-gate, ...
> 
>>
>> Are you sure the clock are assigned to the correct IP ?
>>
>> Shouldn't the clock be assigned to some MIPI IP instead ?
>>
> 
> Are both question still validate if treat 'mipi' just name of subsystem.
> 
>> Could you please clarify this in the commit message ?
> 
> 'mipi' just name of subsystem because the major ip is for MIPI. is word
> 'mipi-subsystem' better?
Let's find out.

What is the 32kHz clock used for in the PWM block ?

  reply	other threads:[~2024-09-11 21:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-10 19:07 [PATCH v3 0/3] pwm: imx: add 32k clock for 8qm/qxp Frank Li
2024-09-10 19:07 ` [PATCH v3 1/3] dt-bindings: pwm: imx: Add optional clock '32k' Frank Li
2024-09-11 20:28   ` Marek Vasut
2024-09-11 21:10     ` Frank Li
2024-09-11 21:14       ` Marek Vasut [this message]
2024-09-11 22:19         ` Frank Li
2024-09-12  0:15           ` Marek Vasut
2024-09-10 19:07 ` [PATCH v3 2/3] pwm: imx27: Use clk_bulk_*() API to simplify clock handling Frank Li
2024-10-22  6:53   ` Uwe Kleine-König
2024-10-22 16:01     ` Frank Li
2024-10-29  8:07       ` Uwe Kleine-König
2024-09-10 19:07 ` [PATCH v3 3/3] pwm: imx27: Add optional 32k clock for pwm in i.MX8QXP MIPI subsystem Frank Li
2024-09-11 20:31   ` Marek Vasut
2024-09-11 21:28     ` Frank Li
2024-09-11 21:33       ` Marek Vasut
2024-09-11 20:27 ` [PATCH v3 0/3] pwm: imx: add 32k clock for 8qm/qxp Marek Vasut

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