[PATCH net-next 2/3] arm64: dts: rockchip: Add RK3576 GMAC 25M refout clocks
From: Gavin Gao
Date: Sun Jul 26 2026 - 22:14:17 EST
RK3576 provides REFCLKO25M_GMAC0_OUT and REFCLKO25M_GMAC1_OUT clocks
for the two GMAC instances.
Describe these clocks with the clk_mac_25m_refout clock name so boards
using RGMII output clock mode can let the MAC driver manage the 25 MHz
reference output.
Signed-off-by: Gavin Gao <attinagaoxu@xxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3576.dtsi | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index 70e67d4dccb8..f1125c2f88ab 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1692,10 +1692,10 @@ gmac0: ethernet@2a220000 {
reg = <0x0 0x2a220000 0x0 0x10000>;
clocks = <&cru CLK_GMAC0_125M_SRC>, <&cru CLK_GMAC0_RMII_CRU>,
<&cru PCLK_GMAC0>, <&cru ACLK_GMAC0>,
- <&cru CLK_GMAC0_PTP_REF>;
+ <&cru CLK_GMAC0_PTP_REF>, <&cru REFCLKO25M_GMAC0_OUT>;
clock-names = "stmmaceth", "clk_mac_ref",
"pclk_mac", "aclk_mac",
- "ptp_ref";
+ "ptp_ref", "clk_mac_25m_refout";
interrupts = <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 298 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_wake_irq";
@@ -1739,10 +1739,10 @@ gmac1: ethernet@2a230000 {
reg = <0x0 0x2a230000 0x0 0x10000>;
clocks = <&cru CLK_GMAC1_125M_SRC>, <&cru CLK_GMAC1_RMII_CRU>,
<&cru PCLK_GMAC1>, <&cru ACLK_GMAC1>,
- <&cru CLK_GMAC1_PTP_REF>;
+ <&cru CLK_GMAC1_PTP_REF>, <&cru REFCLKO25M_GMAC1_OUT>;
clock-names = "stmmaceth", "clk_mac_ref",
"pclk_mac", "aclk_mac",
- "ptp_ref";
+ "ptp_ref", "clk_mac_25m_refout";
interrupts = <GIC_SPI 301 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_wake_irq";
--
2.55.0