The gmac controller on sam9x7 has no internal pll to generate
the 125MHz clock source for rgmii mode.
This clock is generated on external board by eth-phy or
clock oscillator.
This change drops the tx_clk entry from gmac node.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
---
 arch/arm/boot/dts/microchip/sam9x7.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
index 46dacbbd201d..da94865c57e9 100644
--- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
+++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
@@ -991,7 +991,7 @@ gmac: ethernet@f802c000 {
 				     <63 IRQ_TYPE_LEVEL_HIGH 3>,	/* Queue 4 */
 				     <64 IRQ_TYPE_LEVEL_HIGH 3>;	/* Queue 5 */
 			clocks = <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_GCK 24>, <&pmc PMC_TYPE_GCK 67>;
-			clock-names = "hclk", "pclk", "tx_clk", "tsu_clk";
+			clock-names = "hclk", "pclk", "tsu_clk";
 			assigned-clocks = <&pmc PMC_TYPE_GCK 67>;
 			assigned-clock-rates = <266666666>;
 			status = "disabled";
-- 
2.52.0

On Mon, Feb 02, 2026 at 12:40:24PM +0200, Mihai Sain wrote:
> The gmac controller on sam9x7 has no internal pll to generate
> the 125MHz clock source for rgmii mode.
> This clock is generated on external board by eth-phy or
> clock oscillator.
> This change drops the tx_clk entry from gmac node.
> 
> Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
> ---
>  arch/arm/boot/dts/microchip/sam9x7.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi
> index 46dacbbd201d..da94865c57e9 100644
> --- a/arch/arm/boot/dts/microchip/sam9x7.dtsi
> +++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi
> @@ -991,7 +991,7 @@ gmac: ethernet@f802c000 {
>  				     <63 IRQ_TYPE_LEVEL_HIGH 3>,	/* Queue 4 */
>  				     <64 IRQ_TYPE_LEVEL_HIGH 3>;	/* Queue 5 */
>  			clocks = <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_GCK 24>, <&pmc PMC_TYPE_GCK 67>;
> -			clock-names = "hclk", "pclk", "tx_clk", "tsu_clk";
> +			clock-names = "hclk", "pclk", "tsu_clk";

You drop a clock name, but not a clock?

    Andrew