[PATCH net 3/3] riscv: dts: thead: Add APB clocks for TH1520 GMACs

From: Yao Zi
Date: Tue Jul 29 2025 - 05:41:58 EST


Describe perisys-apb4-hclk as the APB clock for TH1520 SoC, which is
essential for accessing GMAC glue registers.

Fixes: 7e756671a664 ("riscv: dts: thead: Add TH1520 ethernet nodes")
Signed-off-by: Yao Zi <ziyao@xxxxxxxxxxx>
---
arch/riscv/boot/dts/thead/th1520.dtsi | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 42724bf7e90e..03f1d7319049 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -297,8 +297,9 @@ gmac1: ethernet@ffe7060000 {
reg-names = "dwmac", "apb";
interrupts = <67 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
- clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC1>;
- clock-names = "stmmaceth", "pclk";
+ clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC1>,
+ <&clk CLK_PERISYS_APB4_HCLK>;
+ clock-names = "stmmaceth", "pclk", "apb";
snps,pbl = <32>;
snps,fixed-burst;
snps,multicast-filter-bins = <64>;
@@ -319,8 +320,9 @@ gmac0: ethernet@ffe7070000 {
reg-names = "dwmac", "apb";
interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
- clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC0>;
- clock-names = "stmmaceth", "pclk";
+ clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC0>,
+ <&clk CLK_PERISYS_APB4_HCLK>;
+ clock-names = "stmmaceth", "pclk", "apb";
snps,pbl = <32>;
snps,fixed-burst;
snps,multicast-filter-bins = <64>;
--
2.50.1