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From: Shawn Guo <shawnguo2@yeah.net>
To: Marek Vasut <marex@denx.de>
Cc: linux-arm-kernel@lists.infradead.org,
	Conor Dooley <conor+dt@kernel.org>,
	Fabio Estevam <festevam@gmail.com>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Rob Herring <robh@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	kernel@dh-electronics.com
Subject: Re: [PATCH] arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM
Date: Sat, 15 Jun 2024 16:01:46 +0800	[thread overview]
Message-ID: <Zm1KambxKo9QquZW@dragon> (raw)
In-Reply-To: <20240513020454.127584-1-marex@denx.de>

On Mon, May 13, 2024 at 04:04:39AM +0200, Marek Vasut wrote:
> The IMX8MP_CLK_CLKOUT2 supplies the TC9595 bridge with 13 MHz reference
> clock. The IMX8MP_CLK_CLKOUT2 is supplied from IMX8MP_AUDIO_PLL2_OUT.
> The IMX8MP_CLK_CLKOUT2 operates only as a power-of-two divider, and the
> current 156 MHz is not power-of-two divisible to achieve 13 MHz.
> 
> To achieve 13 MHz output from IMX8MP_CLK_CLKOUT2, set IMX8MP_AUDIO_PLL2_OUT
> to 208 MHz, because 208 MHz / 16 = 13 MHz.
> 
> Fixes: 20d0b83e712b ("arm64: dts: imx8mp: Add TC9595 bridge on DH electronics i.MX8M Plus DHCOM")
> Signed-off-by: Marek Vasut <marex@denx.de>

Applied, thanks!


      reply	other threads:[~2024-06-15  8:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-13  2:04 [PATCH] arm64: dts: imx8mp: Fix TC9595 input clock on DH i.MX8M Plus DHCOM SoM Marek Vasut
2024-06-15  8:01 ` Shawn Guo [this message]

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