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!
prev parent reply other threads:[~2024-06-15 8:12 UTC|newest]
Thread overview: 3+ 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
2024-05-13 2:04 ` Marek Vasut
2024-06-15 8:01 ` Shawn Guo [this message]
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