Introduce support for Enclustra's Mercury SA1 SoM based on Intel Cyclone5 technology as a .dtsi file. Signed-off-by: Andreas Buerkler <andreas.buerkler@xxxxxxxxxxxxx> Signed-off-by: Lothar Rubusch <l.rubusch@xxxxxxxxx> --- .../socfpga/socfpga_cyclone5_mercury_sa1.dtsi | 143 ++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.dtsi diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.dtsi b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_mercury_sa1.dtsi new file mode 100644 index 000000000..3eb2c559f --- /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 = "Enclustra Mercury SA1"; + compatible = "altr,socfpga-cyclone5", "altr,socfpga"; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + aliases { + ethernet0 = &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 = "memory"; + device_type = "memory"; + reg = <0x0 0x40000000>; /* 1GB */ + }; +}; + +&osc1 { + clock-frequency = <50000000>; +}; + +&i2c_encl { + i2c-sda-hold-time-ns = <300>; + clock-frequency = <100000>; + status = "okay"; + + isl12020: isl12020@6f { + compatible = "isil,isl12022"; + reg = <0x6f>; + }; +}; + +&i2c_encl_fpga { + i2c-sda-hold-time-ns = <300>; + status = "disabled"; +}; + +&uart0 { + clock-frequency = <100000000>; +}; + +&mmc0 { + status = "okay"; + /delete-property/ cap-mmc-highspeed; + /delete-property/ cap-sd-highspeed; +}; + +&qspi { + status = "okay"; + + flash0: s25fl512s@0 { + u-boot,dm-pre-reloc; + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25fl512s", "jedec,spi-nor"; + reg = <0>; + + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; + spi-max-frequency = <10000000>; + + cdns,read-delay = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; + + partition@raw { + label = "Flash Raw"; + reg = <0x0 0x4000000>; + }; + }; +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&gmac1 { + status = "okay"; + /delete-property/ mac-address; + phy-mode = "rgmii"; + phy-handle = <&phy3>; + + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + + phy3: ethernet-phy@3 { + reg = <3>; + + /* Add 2ns RX clock delay (1.2ns + 0.78ns)*/ + rxc-skew-ps = <1680>; + rxd0-skew-ps = <420>; + rxd1-skew-ps = <420>; + rxd2-skew-ps = <420>; + rxd3-skew-ps = <420>; + rxdv-skew-ps = <420>; + + /* Add 1.38ns TX clock delay (0.96ns + 0.42ns)*/ + txc-skew-ps = <1860>; + txd0-skew-ps = <0>; + txd1-skew-ps = <0>; + txd2-skew-ps = <0>; + txd3-skew-ps = <0>; + txen-skew-ps = <0>; + }; + }; +}; + +&usb1 { + status = "okay"; + dr_mode = "host"; +}; -- 2.25.1
