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Message-Id: <20241020194028.2272371-16-l.rubusch@gmail.com>
Date: Sun, 20 Oct 2024 19:40:20 +0000
From: Lothar Rubusch <l.rubusch@...il.com>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
dinguyen@...nel.org,
marex@...x.de,
s.trumtrar@...gutronix.de
Cc: l.rubusch@...il.com,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCHv2 15/23] ARM: dts: socfpga: add Enclustra Mercury SA1
Introduce support for Enclustra's Mercury SA1 SoM based on Intel Cyclone5
technology as a .dtsi file.
Signed-off-by: Andreas Buerkler <andreas.buerkler@...lustra.com>
Signed-off-by: Lothar Rubusch <l.rubusch@...il.com>
---
.../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@...04000 {
+ };
+ i2c_encl_fpga: i2c@...05000 {
+ };
+ };
+
+ 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
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