[PATCH v7 1/2] arm64: dts: fsd: Add Ethernet support for FSYS0 Block of FSD SoC
From: Swathi K S <hidden>
Date: 2025-02-20 09:13:37
Also in:
linux-arm-kernel, linux-devicetree, linux-samsung-soc, lkml
Subsystem:
arm/samsung s3c, s5p and exynos arm architectures, arm/tesla fsd soc support, the rest · Maintainers:
Krzysztof Kozlowski, Alim Akhtar, Linus Torvalds
The FSD SoC contains two instances of Synopsys DWC QoS Ethernet IP, one in FSYS0 block and other in PERIC block. The ethernet interface is managed by a switch which is not managed by Linux. Adds device tree node for Ethernet in FSYS0 Block and enables the same for FSD platform. Signed-off-by: Pankaj Dubey <redacted> Signed-off-by: Jayati Sahu <redacted> Signed-off-by: Swathi K S <redacted> --- arch/arm64/boot/dts/tesla/fsd-evb.dts | 10 ++++ arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 56 ++++++++++++++++++++++ arch/arm64/boot/dts/tesla/fsd.dtsi | 20 ++++++++ 3 files changed, 86 insertions(+)
diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 8d7794642900..321270a07651 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts@@ -64,6 +64,16 @@ }; }; +ðernet0 { + status = "okay"; + + phy-mode = "rgmii-id"; + 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 3f898cf4874c..cb437483ff6e 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi@@ -64,6 +64,62 @@ samsung,pin-pud = <FSD_PIN_PULL_UP>; samsung,pin-drv = <FSD_PIN_DRV_LV4>; }; + + eth0_tx_clk: eth0-tx-clk-pins { + samsung,pins = "gpf0-0"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_DOWN>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_tx_data: eth0-tx-data-pins { + samsung,pins = "gpf0-1", "gpf0-2", "gpf0-3", "gpf0-4"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_UP>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_tx_ctrl: eth0-tx-ctrl-pins { + samsung,pins = "gpf0-5"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_UP>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_phy_intr: eth0-phy-intr-pins { + samsung,pins = "gpf0-6"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_NONE>; + samsung,pin-drv = <FSD_PIN_DRV_LV4>; + }; + + eth0_rx_clk: eth0-rx-clk-pins { + samsung,pins = "gpf1-0"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_UP>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_rx_data: eth0-rx-data-pins { + samsung,pins = "gpf1-1", "gpf1-2", "gpf1-3", "gpf1-4"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_UP>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_rx_ctrl: eth0-rx-ctrl-pins { + samsung,pins = "gpf1-5"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_UP>; + samsung,pin-drv = <FSD_PIN_DRV_LV6>; + }; + + eth0_mdio: eth0-mdio-pins { + samsung,pins = "gpf1-6", "gpf1-7"; + samsung,pin-function = <FSD_PIN_FUNC_2>; + samsung,pin-pud = <FSD_PIN_PULL_NONE>; + samsung,pin-drv = <FSD_PIN_DRV_LV4>; + }; }; &pinctrl_peric {
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index 690b4ed9c29b..01850fbf761f 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi@@ -1007,6 +1007,26 @@ clocks = <&clock_fsys0 UFS0_MPHY_REFCLK_IXTAL26>; clock-names = "ref_clk"; }; + + ethernet0: ethernet@15300000 { + compatible = "tesla,fsd-ethqos"; + reg = <0x0 0x15300000 0x0 0x10000>; + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq"; + clocks = <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_CLK_PTP_REF_I>, + <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_ACLK_I>, + <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_HCLK_I>, + <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_RGMII_CLK_I>, + <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_CLK_RX_I>; + clock-names = "ptp_ref", "master_bus", "slave_bus", "tx", "rx"; + pinctrl-names = "default"; + pinctrl-0 = <ð0_tx_clk>, <ð0_tx_data>, <ð0_tx_ctrl>, + <ð0_phy_intr>, <ð0_rx_clk>, <ð0_rx_data>, + <ð0_rx_ctrl>, <ð0_mdio>; + local-mac-address = [00 00 00 00 00 00]; + iommus = <&smmu_fsys0 0x0 0x1>; + status = "disabled"; + }; }; };
--
2.17.1