Merge branch 'stmmac-imx93'

Clark Wang says:

====================
stmmac: Add eqos and fec support for imx93

This patchset add imx93 support for dwmac-imx glue driver.
There are some changes of GPR implement.
And add fec and eqos nodes for imx93 dts.
====================

Signed-off-by: David S. Miller <[e-mail]>

Documentation/devicetree/bindings/net/fsl,fec.yaml

···
               - fsl,imx8mm-fec
               - fsl,imx8mn-fec
               - fsl,imx8mp-fec
+              - fsl,imx93-fec
           - const: fsl,imx8mq-fec
           - const: fsl,imx6sx-fec
       - items:

Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml

···
 $id: http://devicetree.org/schemas/net/nxp,dwmac-imx.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: NXP i.MX8 DWMAC glue layer
+title: NXP i.MX8/9 DWMAC glue layer
 
 maintainers:
   - Clark Wang <[e-mail]>
···
         enum:
           - nxp,imx8mp-dwmac-eqos
           - nxp,imx8dxl-dwmac-eqos
+          - nxp,imx93-dwmac-eqos
   required:
     - compatible
 
···
           - enum:
               - nxp,imx8mp-dwmac-eqos
               - nxp,imx8dxl-dwmac-eqos
+              - nxp,imx93-dwmac-eqos
           - const: snps,dwmac-5.10a
 
   clocks:

arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts

···
 	status = "okay";
 };
 
+&eqos {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_eqos>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy1>;
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clock-frequency = <5000000>;
+
+		ethphy1: ethernet-phy@1 {
+			reg = <1>;
+			eee-broken-1000t;
+		};
+	};
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy2>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clock-frequency = <5000000>;
+
+		ethphy2: ethernet-phy@2 {
+			reg = <2>;
+			eee-broken-1000t;
+		};
+	};
+};
+
 &lpuart1 { /* console */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart1>;
···
 };
 
 &iomuxc {
+	pinctrl_eqos: eqosgrp {
+		fsl,pins = <
+			MX93_PAD_ENET1_MDC__ENET_QOS_MDC			0x57e
+			MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO			0x57e
+			MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0			0x57e
+			MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1			0x57e
+			MX93_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2			0x57e
+			MX93_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3			0x57e
+			MX93_PAD_ENET1_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK	0x5fe
+			MX93_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL		0x57e
+			MX93_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0			0x57e
+			MX93_PAD_ENET1_TD1__ENET_QOS_RGMII_TD1			0x57e
+			MX93_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2			0x57e
+			MX93_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3			0x57e
+			MX93_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x5fe
+			MX93_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL		0x57e
+		>;
+	};
+
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX93_PAD_ENET2_MDC__ENET1_MDC			0x57e
+			MX93_PAD_ENET2_MDIO__ENET1_MDIO			0x57e
+			MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0		0x57e
+			MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1		0x57e
+			MX93_PAD_ENET2_RD2__ENET1_RGMII_RD2		0x57e
+			MX93_PAD_ENET2_RD3__ENET1_RGMII_RD3		0x57e
+			MX93_PAD_ENET2_RXC__ENET1_RGMII_RXC		0x5fe
+			MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL	0x57e
+			MX93_PAD_ENET2_TD0__ENET1_RGMII_TD0		0x57e
+			MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1		0x57e
+			MX93_PAD_ENET2_TD2__ENET1_RGMII_TD2		0x57e
+			MX93_PAD_ENET2_TD3__ENET1_RGMII_TD3		0x57e
+			MX93_PAD_ENET2_TXC__ENET1_RGMII_TXC		0x5fe
+			MX93_PAD_ENET2_TX_CTL__ENET1_RGMII_TX_CTL	0x57e
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX93_PAD_UART1_RXD__LPUART1_RX			0x31e

arch/arm64/boot/dts/freescale/imx93.dtsi

···
 				status = "disabled";
 			};
 
+			eqos: ethernet@428a0000 {
+				compatible = "nxp,imx93-dwmac-eqos", "snps,dwmac-5.10a";
+				reg = <0x428a0000 0x10000>;
+				interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "eth_wake_irq", "macirq";
+				clocks = <&clk IMX93_CLK_ENET_QOS_GATE>,
+					 <&clk IMX93_CLK_ENET_QOS_GATE>,
+					 <&clk IMX93_CLK_ENET_TIMER2>,
+					 <&clk IMX93_CLK_ENET>,
+					 <&clk IMX93_CLK_ENET_QOS_GATE>;
+				clock-names = "stmmaceth", "pclk", "ptp_ref", "tx", "mem";
+				assigned-clocks = <&clk IMX93_CLK_ENET_TIMER2>,
+						  <&clk IMX93_CLK_ENET>;
+				assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
+							 <&clk IMX93_CLK_SYS_PLL_PFD0_DIV2>;
+				assigned-clock-rates = <100000000>, <250000000>;
+				intf_mode = <&wakeupmix_gpr 0x28>;
+				clk_csr = <0>;
+				status = "disabled";
+			};
+
+			fec: ethernet@42890000 {
+				compatible = "fsl,imx93-fec", "fsl,imx8mq-fec", "fsl,imx6sx-fec";
+				reg = <0x42890000 0x10000>;
+				interrupts = <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX93_CLK_ENET1_GATE>,
+					 <&clk IMX93_CLK_ENET1_GATE>,
+					 <&clk IMX93_CLK_ENET_TIMER1>,
+					 <&clk IMX93_CLK_ENET_REF>,
+					 <&clk IMX93_CLK_ENET_REF_PHY>;
+				clock-names = "ipg", "ahb", "ptp",
+					      "enet_clk_ref", "enet_out";
+				assigned-clocks = <&clk IMX93_CLK_ENET_TIMER1>,
+						  <&clk IMX93_CLK_ENET_REF>,
+						  <&clk IMX93_CLK_ENET_REF_PHY>;
+				assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
+							 <&clk IMX93_CLK_SYS_PLL_PFD0_DIV2>,
+							 <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
+				assigned-clock-rates = <100000000>, <250000000>, <50000000>;
+				fsl,num-tx-queues = <3>;
+				fsl,num-rx-queues = <3>;
+				status = "disabled";
+			};
+
 			usdhc3: mmc@428b0000 {
 				compatible = "fsl,imx93-usdhc", "fsl,imx8mm-usdhc";
 				reg = <0x428b0000 0x10000>;

drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c

···
 #define GPR_ENET_QOS_CLK_TX_CLK_SEL	(0x1 << 20)
 #define GPR_ENET_QOS_RGMII_EN		(0x1 << 21)
 
+#define MX93_GPR_ENET_QOS_INTF_MODE_MASK	GENMASK(3, 0)
+#define MX93_GPR_ENET_QOS_INTF_SEL_MII		(0x0 << 1)
+#define MX93_GPR_ENET_QOS_INTF_SEL_RMII		(0x4 << 1)
+#define MX93_GPR_ENET_QOS_INTF_SEL_RGMII	(0x1 << 1)
+#define MX93_GPR_ENET_QOS_CLK_GEN_EN		(0x1 << 0)
+
 struct imx_dwmac_ops {
 	u32 addr_width;
 	bool mac_rgmii_txclk_auto_adj;
···
 	/* TBD: depends on imx8dxl scu interfaces to be upstreamed */
 	return ret;
 }
+
+static int imx93_set_intf_mode(struct plat_stmmacenet_data *plat_dat)
+{
+	struct imx_priv_data *dwmac = plat_dat->bsp_priv;
+	int val;
+
+	switch (plat_dat->interface) {
+	case PHY_INTERFACE_MODE_MII:
+		val = MX93_GPR_ENET_QOS_INTF_SEL_MII;
+		break;
+	case PHY_INTERFACE_MODE_RMII:
+		val = MX93_GPR_ENET_QOS_INTF_SEL_RMII;
+		break;
+	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_RGMII_ID:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+		val = MX93_GPR_ENET_QOS_INTF_SEL_RGMII;
+		break;
+	default:
+		dev_dbg(dwmac->dev, "imx dwmac doesn't support %d interface\n",
+			 plat_dat->interface);
+		return -EINVAL;
+	}
+
+	val |= MX93_GPR_ENET_QOS_CLK_GEN_EN;
+	return regmap_update_bits(dwmac->intf_regmap, dwmac->intf_reg_off,
+				  MX93_GPR_ENET_QOS_INTF_MODE_MASK, val);
+};
 
 static int imx_dwmac_clks_config(void *priv, bool enabled)
 {
···
 	}
 
 	dwmac->clk_mem = NULL;
-	if (of_machine_is_compatible("fsl,imx8dxl")) {
+
+	if (of_machine_is_compatible("fsl,imx8dxl") ||
+	    of_machine_is_compatible("fsl,imx93")) {
 		dwmac->clk_mem = devm_clk_get(dev, "mem");
 		if (IS_ERR(dwmac->clk_mem)) {
 			dev_err(dev, "failed to get mem clock\n");
···
 		}
 	}
 
-	if (of_machine_is_compatible("fsl,imx8mp")) {
-		/* Binding doc describes the property:
-		   is required by i.MX8MP.
-		   is optional for i.MX8DXL.
+	if (of_machine_is_compatible("fsl,imx8mp") ||
+	    of_machine_is_compatible("fsl,imx93")) {
+		/* Binding doc describes the propety:
+		 * is required by i.MX8MP, i.MX93.
+		 * is optinoal for i.MX8DXL.
 		 */
 		dwmac->intf_regmap = syscon_regmap_lookup_by_phandle(np, "intf_mode");
 		if (IS_ERR(dwmac->intf_regmap))
···
 	.set_intf_mode = imx8dxl_set_intf_mode,
 };
 
+static struct imx_dwmac_ops imx93_dwmac_data = {
+	.addr_width = 32,
+	.mac_rgmii_txclk_auto_adj = true,
+	.set_intf_mode = imx93_set_intf_mode,
+};
+
 static const struct of_device_id imx_dwmac_match[] = {
 	{ .compatible = "nxp,imx8mp-dwmac-eqos", .data = &imx8mp_dwmac_data },
 	{ .compatible = "nxp,imx8dxl-dwmac-eqos", .data = &imx8dxl_dwmac_data },
+	{ .compatible = "nxp,imx93-dwmac-eqos", .data = &imx93_dwmac_data },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, imx_dwmac_match);