* [PATCH] ARM: dts: imx6sx-udoo-neo: Properly configure ENET_REF
@ 2024-06-29 2:18 Fabio Estevam
2024-08-05 7:27 ` Shawn Guo
0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2024-06-29 2:18 UTC (permalink / raw)
To: shawnguo; +Cc: linux-arm-kernel, Fabio Estevam
From: Fabio Estevam <festevam@denx.de>
By default, the ENET_REF is configured at 125MHz on i.MX6SX, which works
well for boards that operate in RGMII mode.
The imx6sx-udoo-neo has a KSZ8091 Ethernet PHY that is connected via
RMII interface, so a 50MHz ENET_REF clock is expected.
Describe the IMX6SX_CLK_ENET_REF accordingly.
Signed-off-by: Fabio Estevam <festevam@denx.de>
---
arch/arm/boot/dts/nxp/imx/imx6sx-udoo-neo.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx-udoo-neo.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx-udoo-neo.dtsi
index 725d0b5cb55f..bbf792ac4896 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6sx-udoo-neo.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6sx-udoo-neo.dtsi
@@ -72,6 +72,11 @@ reg_wlan: regulator-wlan {
};
};
+&clks {
+ assigned-clocks = <&clks IMX6SX_CLK_ENET_REF>;
+ assigned-clock-rates = <50000000>;
+};
+
&fec1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet1>;
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: imx6sx-udoo-neo: Properly configure ENET_REF
2024-06-29 2:18 [PATCH] ARM: dts: imx6sx-udoo-neo: Properly configure ENET_REF Fabio Estevam
@ 2024-08-05 7:27 ` Shawn Guo
0 siblings, 0 replies; 2+ messages in thread
From: Shawn Guo @ 2024-08-05 7:27 UTC (permalink / raw)
To: Fabio Estevam; +Cc: shawnguo, linux-arm-kernel, Fabio Estevam
On Fri, Jun 28, 2024 at 11:18:27PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <festevam@denx.de>
>
> By default, the ENET_REF is configured at 125MHz on i.MX6SX, which works
> well for boards that operate in RGMII mode.
>
> The imx6sx-udoo-neo has a KSZ8091 Ethernet PHY that is connected via
> RMII interface, so a 50MHz ENET_REF clock is expected.
>
> Describe the IMX6SX_CLK_ENET_REF accordingly.
>
> Signed-off-by: Fabio Estevam <festevam@denx.de>
Applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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