From: Shawn Guo <shawnguo2@yeah.net>
To: Shenwei Wang <shenwei.wang@nxp.com>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>,
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>,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com
Subject: Re: [PATCH v3] arm64: dts: imx93: update default value for snps,clk-csr
Date: Mon, 12 Aug 2024 11:41:49 +0800 [thread overview]
Message-ID: <ZrmEfXKXLoLjYjXN@dragon> (raw)
In-Reply-To: <20240715131722.161135-1-shenwei.wang@nxp.com>
On Mon, Jul 15, 2024 at 08:17:22AM -0500, Shenwei Wang wrote:
> For the i.MX93 SoC, the default clock rate for the IP of STMMAC EQOS is
> 312.5 MHz. According to the following mapping table from the i.MX93
> reference manual, this clock rate corresponds to a CSR value of 6.
>
> 0000: CSR clock = 60-100 MHz; MDC clock = CSR clock/42
> 0001: CSR clock = 100-150 MHz; MDC clock = CSR clock/62
> 0010: CSR clock = 20-35 MHz; MDC clock = CSR clock/16
> 0011: CSR clock = 35-60 MHz; MDC clock = CSR clock/26
> 0100: CSR clock = 150-250 MHz; MDC clock = CSR clock/102
> 0101: CSR clock = 250-300 MHz; MDC clock = CSR clock/124
> 0110: CSR clock = 300-500 MHz; MDC clock = CSR clock/204
> 0111: CSR clock = 500-800 MHz; MDC clock = CSR clock/324
>
> Fixes: f2d03ba997cb ("arm64: dts: imx93: reorder device nodes")
> Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Applied, thanks!
prev parent reply other threads:[~2024-08-12 3:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-15 13:17 [PATCH v3] arm64: dts: imx93: update default value for snps,clk-csr Shenwei Wang
2024-08-12 3:41 ` Shawn Guo [this message]
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