netdev - [PATCH v3 4/4] arm64: dts: fsd: Add Ethernet support for PERIC Block of FSD SoC

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Date: Mon, 14 Aug 2023 16:55:39 +0530
From: Sriranjani P <sriranjani.p@...sung.com>
To: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, richardcochran@...il.com, alexandre.torgue@...s.st.com,
	joabreu@...opsys.com, mcoquelin.stm32@...il.com, alim.akhtar@...sung.com,
	linux-fsd@...la.com, pankaj.dubey@...sung.com, swathi.ks@...sung.com,
	ravi.patel@...sung.com
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, Sriranjani P
	<sriranjani.p@...sung.com>, Jayati Sahu <jayati.sahu@...sung.com>
Subject: [PATCH v3 4/4] arm64: dts: fsd: Add Ethernet support for PERIC
 Block of FSD SoC

The FSD SoC contains two instances of Synopsys DWC QoS Ethernet IP, one in
FSYS0 block and other in PERIC block.

Adds device tree node for Ethernet in PERIC Block and enables the same for
FSD platform.

Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
Signed-off-by: Jayati Sahu <jayati.sahu@...sung.com>
Signed-off-by: Swathi K S <swathi.ks@...sung.com>
Signed-off-by: Sriranjani P <sriranjani.p@...sung.com>
---
 arch/arm64/boot/dts/tesla/fsd-evb.dts      |  9 ++++
 arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 56 ++++++++++++++++++++++
 arch/arm64/boot/dts/tesla/fsd.dtsi         | 29 +++++++++++
 3 files changed, 94 insertions(+)

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 2c37097c709a..80ca120b3d7f 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -73,6 +73,15 @@
 	};
 };
 
+&ethernet_1 {
+	status = "okay";
+
+	fixed-link {
+		speed = <1000>;
+		full-duplex;
+	};
+};
+
 &fin_pll {
 	clock-frequency = <24000000>;
 };
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index cb437483ff6e..6f4658f57453 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -437,6 +437,62 @@
 		samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
 		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
 	};
+
+	eth1_tx_clk: eth1-tx-clk-pins {
+		samsung,pins = "gpf2-0";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_DOWN>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_tx_data: eth1-tx-data-pins {
+		samsung,pins = "gpf2-1", "gpf2-2", "gpf2-3", "gpf2-4";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_tx_ctrl: eth1-tx-ctrl-pins {
+		samsung,pins = "gpf2-5";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_phy_intr: eth1-phy-intr-pins {
+		samsung,pins = "gpf2-6";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+	};
+
+	eth1_rx_clk: eth1-rx-clk-pins {
+		samsung,pins = "gpf3-0";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_rx_data: eth1-rx-data-pins {
+		samsung,pins = "gpf3-1", "gpf3-2", "gpf3-3", "gpf3-4";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_rx_ctrl: eth1-rx-ctrl-pins {
+		samsung,pins = "gpf3-5";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV6>;
+	};
+
+	eth1_mdio: eth1-mdio-pins {
+		samsung,pins = "gpf3-6", "gpf3-7";
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV4>;
+	};
 };
 
 &pinctrl_pmu {
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index 9a991f021711..ce5d5f8546b9 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -33,6 +33,7 @@
 		spi1 = &spi_1;
 		spi2 = &spi_2;
 		eth0 = &ethernet_0;
+		eth1 = &ethernet_1;
 	};
 
 	cpus {
@@ -1006,6 +1007,34 @@
 			phy-mode = "rgmii";
 			status = "disabled";
 		};
+
+		ethernet_1: ethernet@...00000 {
+			compatible = "tesla,dwc-qos-ethernet-4.21";
+			reg = <0x0 0x14300000 0x0 0x10000>;
+			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_PTP_REF_I>,
+				 <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_ACLK_I>,
+				 <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_HCLK_I>,
+				 <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_RGMII_CLK_I>,
+				 <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_RX_I>,
+				 <&clock_peric PERIC_BUS_D_PERIC_IPCLKPORT_EQOSCLK>,
+				 <&clock_peric PERIC_BUS_P_PERIC_IPCLKPORT_EQOSCLK>,
+				 <&clock_peric PERIC_EQOS_PHYRXCLK_MUX>,
+				 <&clock_peric PERIC_EQOS_PHYRXCLK>,
+				 <&clock_peric PERIC_DOUT_RGMII_CLK>;
+			clock-names = "ptp_ref", "master_bus", "slave_bus", "tx", "rx",
+				      "master2_bus", "slave2_bus", "eqos_rxclk_mux",
+				      "eqos_phyrxclk", "dout_peric_rgmii_clk";
+			pinctrl-names = "default";
+			pinctrl-0 = <&eth1_tx_clk>, <&eth1_tx_data>, <&eth1_tx_ctrl>,
+				    <&eth1_phy_intr>, <&eth1_rx_clk>, <&eth1_rx_data>,
+				    <&eth1_rx_ctrl>, <&eth1_mdio>;
+			local-mac-address = [00 00 00 00 00 00];
+			fsd-rx-clock-skew = <&sysreg_peric 0x10>;
+			iommus = <&smmu_peric 0x0 0x1>;
+			phy-mode = "rgmii";
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.17.1