[PATCH v2 1/3] arm64: dts: st: add ethernet1 and ethernet2 support on stm32mp25

From: Christophe Roullier
Date: Wed Jun 19 2024 - 09:02:07 EST


Both instances ethernet based on GMAC SNPS IP on stm32mp25.
GMAC IP version is SNPS 5.3

Signed-off-by: Christophe Roullier <christophe.roullier@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp251.dtsi | 49 +++++++++++++++++++++++++
arch/arm64/boot/dts/st/stm32mp253.dtsi | 51 ++++++++++++++++++++++++++
2 files changed, 100 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index dcd0656d67a8..3ab788baefc2 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -338,6 +338,55 @@ sdmmc1: mmc@48220000 {
access-controllers = <&rifsc 76>;
status = "disabled";
};
+
+ ethernet1: ethernet@482c0000 {
+ compatible = "st,stm32mp25-dwmac", "snps,dwmac-5.20";
+ reg = <0x482c0000 0x4000>;
+ reg-names = "stmmaceth";
+ interrupts-extended = <&intc GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ clock-names = "stmmaceth",
+ "mac-clk-tx",
+ "mac-clk-rx",
+ "ptp_ref",
+ "ethstp",
+ "eth-ck";
+ clocks = <&rcc CK_ETH1_MAC>,
+ <&rcc CK_ETH1_TX>,
+ <&rcc CK_ETH1_RX>,
+ <&rcc CK_KER_ETH1PTP>,
+ <&rcc CK_ETH1_STP>,
+ <&rcc CK_KER_ETH1>;
+ snps,axi-config = <&stmmac_axi_config_1>;
+ snps,mixed-burst;
+ snps,mtl-rx-config = <&mtl_rx_setup_1>;
+ snps,mtl-tx-config = <&mtl_tx_setup_1>;
+ snps,pbl = <2>;
+ snps,tso;
+ st,syscon = <&syscfg 0x3000>;
+ access-controllers = <&rifsc 60>;
+ status = "disabled";
+
+ mtl_rx_setup_1: rx-queues-config {
+ snps,rx-queues-to-use = <2>;
+ queue0 {};
+ queue1 {};
+ };
+
+ mtl_tx_setup_1: tx-queues-config {
+ snps,tx-queues-to-use = <4>;
+ queue0 {};
+ queue1 {};
+ queue2 {};
+ queue3 {};
+ };
+
+ stmmac_axi_config_1: stmmac-axi-config {
+ snps,blen = <0 0 0 0 16 8 4>;
+ snps,rd_osr_lmt = <0x7>;
+ snps,wr_osr_lmt = <0x7>;
+ };
+ };
};

bsec: efuse@44000000 {
diff --git a/arch/arm64/boot/dts/st/stm32mp253.dtsi b/arch/arm64/boot/dts/st/stm32mp253.dtsi
index 029f88981961..44fed477a55e 100644
--- a/arch/arm64/boot/dts/st/stm32mp253.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp253.dtsi
@@ -28,3 +28,54 @@ timer {
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
};
};
+
+&rifsc {
+ ethernet2: ethernet@482d0000 {
+ compatible = "st,stm32mp25-dwmac", "snps,dwmac-5.20";
+ reg = <0x482d0000 0x4000>;
+ reg-names = "stmmaceth";
+ interrupts-extended = <&intc GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq";
+ clock-names = "stmmaceth",
+ "mac-clk-tx",
+ "mac-clk-rx",
+ "ptp_ref",
+ "ethstp",
+ "eth-ck";
+ clocks = <&rcc CK_ETH2_MAC>,
+ <&rcc CK_ETH2_TX>,
+ <&rcc CK_ETH2_RX>,
+ <&rcc CK_KER_ETH2PTP>,
+ <&rcc CK_ETH2_STP>,
+ <&rcc CK_KER_ETH2>;
+ snps,axi-config = <&stmmac_axi_config_2>;
+ snps,mixed-burst;
+ snps,mtl-rx-config = <&mtl_rx_setup_2>;
+ snps,mtl-tx-config = <&mtl_tx_setup_2>;
+ snps,pbl = <2>;
+ snps,tso;
+ st,syscon = <&syscfg 0x3400>;
+ access-controllers = <&rifsc 61>;
+ status = "disabled";
+
+ mtl_rx_setup_2: rx-queues-config {
+ snps,rx-queues-to-use = <2>;
+ queue0 {};
+ queue1 {};
+ };
+
+ mtl_tx_setup_2: tx-queues-config {
+ snps,tx-queues-to-use = <4>;
+ queue0 {};
+ queue1 {};
+ queue2 {};
+ queue3 {};
+ };
+
+ stmmac_axi_config_2: stmmac-axi-config {
+ snps,blen = <0 0 0 0 16 8 4>;
+ snps,rd_osr_lmt = <0x7>;
+ snps,wr_osr_lmt = <0x7>;
+ };
+ };
+};
--
2.25.1