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[84.74.0.139]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-427ea5a0f19sm4763812f8f.9.2025.10.18.05.12.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Oct 2025 05:12:02 -0700 (PDT) From: Lothar Rubusch To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dinguyen@kernel.org, martin.petersen@oracle.com, pabeni@redhat.com, rostedt@goodmis.org, bhelgaas@google.com, l.rubusch@gmail.com Cc: arnd@arndb.de, matthew.gerlach@altera.com, tien.fong.chee@altera.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 03/11] ARM: dts: socfpga: add Enclustra Mercury SA1 Date: Sat, 18 Oct 2025 12:11:47 +0000 Message-Id: <20251018121155.7743-4-l.rubusch@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251018121155.7743-1-l.rubusch@gmail.com> References: <20251018121155.7743-1-l.rubusch@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Introduce support for Enclustra's Mercury SA1 SoM based on Intel Cyclone5 technology as a .dtsi file. Signed-off-by: Andreas Buerkler Signed-off-by: Lothar Rubusch --- .../socfpga/socfpga_cyclone5_mercury_sa1.dtsi | 143 ++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercur= y_sa1.dtsi diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.d= tsi b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.dtsi new file mode 100644 index 000000000000..49944f9632f9 --- /dev/null +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.dtsi @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +/* + * Copyright (C) 2024 Enclustra GmbH - https://www.enclustra.com + */ + +#include "socfpga_cyclone5.dtsi" + +/ { + model =3D "Enclustra Mercury SA1"; + compatible =3D "altr,socfpga-cyclone5", "altr,socfpga"; + + chosen { + stdout-path =3D "serial0:115200n8"; + }; + + aliases { + ethernet0 =3D &gmac1; + }; + + /* Adjusted the i2c labels to use generic base-board dtsi files for + * Enclustra Arria10 and Cyclone5 SoMs. + * + * The set of i2c0 and i2c1 labels defined in socfpga_cyclone5.dtsi and in + * socfpga_arria10.dtsi do not allow for using the same base-board .dtsi + * fragments. Thus define generic labels here to match the correct i2c + * bus in a generic base-board .dtsi file. + */ + soc { + i2c_encl: i2c@ffc04000 { + }; + i2c_encl_fpga: i2c@ffc05000 { + }; + }; + + memory { + name =3D "memory"; + device_type =3D "memory"; + reg =3D <0x0 0x40000000>; /* 1GB */ + }; +}; + +&osc1 { + clock-frequency =3D <50000000>; +}; + +&i2c_encl { + i2c-sda-hold-time-ns =3D <300>; + clock-frequency =3D <100000>; + status =3D "okay"; + + isl12020: rtc@6f { + compatible =3D "isil,isl12022"; + reg =3D <0x6f>; + }; +}; + +&i2c_encl_fpga { + i2c-sda-hold-time-ns =3D <300>; + status =3D "disabled"; +}; + +&uart0 { + clock-frequency =3D <100000000>; +}; + +&mmc0 { + status =3D "okay"; + /delete-property/ cap-mmc-highspeed; + /delete-property/ cap-sd-highspeed; +}; + +&qspi { + status =3D "okay"; + + flash0: flash@0 { + u-boot,dm-pre-reloc; + #address-cells =3D <1>; + #size-cells =3D <1>; + compatible =3D "jedec,spi-nor"; + reg =3D <0>; + + spi-rx-bus-width =3D <4>; + spi-tx-bus-width =3D <4>; + spi-max-frequency =3D <10000000>; + + cdns,read-delay =3D <4>; + cdns,tshsl-ns =3D <50>; + cdns,tsd2d-ns =3D <50>; + cdns,tchsh-ns =3D <4>; + cdns,tslch-ns =3D <4>; + + partition@raw { + label =3D "Flash Raw"; + reg =3D <0x0 0x4000000>; + }; + }; +}; + +&gpio0 { + status =3D "okay"; +}; + +&gpio1 { + status =3D "okay"; +}; + +&gmac1 { + status =3D "okay"; + /delete-property/ mac-address; + phy-mode =3D "rgmii-id"; + phy-handle =3D <&phy3>; + + mdio0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + compatible =3D "snps,dwmac-mdio"; + + phy3: ethernet-phy@3 { + reg =3D <3>; + + /* Add 2ns RX clock delay (1.2ns + 0.78ns)*/ + rxc-skew-ps =3D <1680>; + rxd0-skew-ps =3D <420>; + rxd1-skew-ps =3D <420>; + rxd2-skew-ps =3D <420>; + rxd3-skew-ps =3D <420>; + rxdv-skew-ps =3D <420>; + + /* Add 1.38ns TX clock delay (0.96ns + 0.42ns)*/ + txc-skew-ps =3D <1860>; + txd0-skew-ps =3D <0>; + txd1-skew-ps =3D <0>; + txd2-skew-ps =3D <0>; + txd3-skew-ps =3D <0>; + txen-skew-ps =3D <0>; + }; + }; +}; + +&usb1 { + status =3D "okay"; + dr_mode =3D "host"; +}; --=20 2.39.5