linux-kernel - [PATCHv4 linux-next 3/4] Rockchip RV1126 has GMAC 10/100/1000M ethernet controller

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Message-Id: <20230111064842.5322-3-anand@edgeble.ai>
Date:   Wed, 11 Jan 2023 06:48:38 +0000
From:   Anand Moon <anand@...eble.ai>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Richard Cochran <richardcochran@...il.com>
Cc:     Johan Jonker <jbx6244@...il.com>, Anand Moon <anand@...eble.ai>,
        Jagan Teki <jagan@...eble.ai>,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCHv4 linux-next 3/4] Rockchip RV1126 has GMAC 10/100/1000M ethernet controller

Add Ethernet GMAC node for RV1126 SoC.

Signed-off-by: Anand Moon <anand@...eble.ai>
Signed-off-by: Jagan Teki <jagan@...eble.ai>
---
v4: sort the node as reg adds. update the commit message.
v3: drop the gmac_clkin_m0 & gmac_clkin_m1 fix clock node which are not
    used, Add SoB of Jagan Teki.
v2: drop SoB of Jagan Teki.
---
 arch/arm/boot/dts/rv1126.dtsi | 49 +++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm/boot/dts/rv1126.dtsi b/arch/arm/boot/dts/rv1126.dtsi
index 1cb43147e90b..1f07d0a4fa73 100644
--- a/arch/arm/boot/dts/rv1126.dtsi
+++ b/arch/arm/boot/dts/rv1126.dtsi
@@ -332,6 +332,55 @@ timer0: timer@...60000 {
 		clock-names = "pclk", "timer";
 	};
 
+	gmac: ethernet@...40000 {
+		compatible = "rockchip,rv1126-gmac", "snps,dwmac-4.20a";
+		reg = <0xffc40000 0x4000>;
+		interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "macirq", "eth_wake_irq";
+		rockchip,grf = <&grf>;
+		clocks = <&cru CLK_GMAC_SRC>, <&cru CLK_GMAC_TX_RX>,
+			 <&cru CLK_GMAC_TX_RX>, <&cru CLK_GMAC_REF>,
+			 <&cru ACLK_GMAC>, <&cru PCLK_GMAC>,
+			 <&cru CLK_GMAC_TX_RX>, <&cru CLK_GMAC_PTPREF>;
+		clock-names = "stmmaceth", "mac_clk_rx",
+			      "mac_clk_tx", "clk_mac_ref",
+			      "aclk_mac", "pclk_mac",
+			      "clk_mac_speed", "ptp_ref";
+		resets = <&cru SRST_GMAC_A>;
+		reset-names = "stmmaceth";
+
+		snps,mixed-burst;
+		snps,tso;
+
+		snps,axi-config = <&stmmac_axi_setup>;
+		snps,mtl-rx-config = <&mtl_rx_setup>;
+		snps,mtl-tx-config = <&mtl_tx_setup>;
+		status = "disabled";
+
+		mdio: mdio {
+			compatible = "snps,dwmac-mdio";
+			#address-cells = <0x1>;
+			#size-cells = <0x0>;
+		};
+
+		stmmac_axi_setup: stmmac-axi-config {
+			snps,wr_osr_lmt = <4>;
+			snps,rd_osr_lmt = <8>;
+			snps,blen = <0 0 0 0 16 8 4>;
+		};
+
+		mtl_rx_setup: rx-queues-config {
+			snps,rx-queues-to-use = <1>;
+			queue0 {};
+		};
+
+		mtl_tx_setup: tx-queues-config {
+			snps,tx-queues-to-use = <1>;
+			queue0 {};
+		};
+	};
+
 	emmc: mmc@...50000 {
 		compatible = "rockchip,rv1126-dw-mshc", "rockchip,rk3288-dw-mshc";
 		reg = <0xffc50000 0x4000>;
-- 
2.39.0