Re: [PATCH 4/5] ARM: dts: microchip: sam9x7: Remove the tx_clk from gmac node

Andrew Lunn
2026-02-02T13:59:25Z

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