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Date:   Tue,  5 Oct 2021 16:37:48 +0200
From:   Paweł Anikiel <pan@...ihalf.com>
To:     jarkko.nikula@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
        mika.westerberg@...ux.intel.com, robh+dt@...nel.org,
        p.zabel@...gutronix.de, arnd@...db.de, olof@...om.net,
        soc@...nel.org, dinguyen@...nel.org, p.yadav@...com,
        Tudor.Ambarus@...rochip.com
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexandre.belloni@...tlin.com, sre@...nel.org,
        thunder.leizhen@...wei.com, Jonathan.Cameron@...wei.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        ka@...ihalf.com, tn@...ihalf.com, jam@...ihalf.com,
        amstan@...gle.com,
        Paweł Anikiel <pan@...ihalf.com>,
        Joanna Brozek <jbrozek@...micro.com>,
        Mariusz Glebocki <mglebocki@...micro.com>,
        Tomasz Gorochowik <tgorochowik@...micro.com>,
        Maciej Mikunda <mmikunda@...micro.com>
Subject: [PATCH v2 4/4] dts: socfpga: Add Mercury+ AA1 devicetree

Add support for the Mercury+ AA1 module for Arria 10 SoC FPGA.

Signed-off-by: Paweł Anikiel <pan@...ihalf.com>
Signed-off-by: Joanna Brozek <jbrozek@...micro.com>
Signed-off-by: Mariusz Glebocki <mglebocki@...micro.com>
Signed-off-by: Tomasz Gorochowik <tgorochowik@...micro.com>
Signed-off-by: Maciej Mikunda <mmikunda@...micro.com>
---
 arch/arm/boot/dts/Makefile                    |   1 +
 .../boot/dts/socfpga_arria10_mercury_aa1.dts  | 111 ++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7e0934180724..0a7809eb3795 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1078,6 +1078,7 @@ dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += \
 	socfpga_arria10_socdk_nand.dtb \
 	socfpga_arria10_socdk_qspi.dtb \
 	socfpga_arria10_socdk_sdmmc.dtb \
+	socfpga_arria10_mercury_aa1.dtb \
 	socfpga_cyclone5_chameleon96.dtb \
 	socfpga_cyclone5_mcvevk.dtb \
 	socfpga_cyclone5_socdk.dtb \
diff --git a/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts
new file mode 100644
index 000000000000..1e11168b80db
--- /dev/null
+++ b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "socfpga_arria10.dtsi"
+
+/ {
+
+	model = "Enclustra Mercury AA1";
+	compatible = "altr,socfpga-arria10", "altr,socfpga";
+
+	aliases {
+		ethernet0 = &gmac0;
+		serial1 = &uart1;
+	};
+
+	memory@0 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x0 0x80000000>; /* 2GB */
+	};
+
+	chosen {
+		stdout-path = "serial1:115200n8";
+	};
+};
+
+&eccmgr {
+	sdmmca-ecc@...c2c00 {
+		compatible = "altr,socfpga-sdmmc-ecc";
+		reg = <0xff8c2c00 0x400>;
+		altr,ecc-parent = <&mmc>;
+		interrupts = <15 IRQ_TYPE_LEVEL_HIGH>,
+			     <47 IRQ_TYPE_LEVEL_HIGH>,
+			     <16 IRQ_TYPE_LEVEL_HIGH>,
+			     <48 IRQ_TYPE_LEVEL_HIGH>;
+	};
+};
+
+&gmac0 {
+	phy-mode = "rgmii";
+	phy-addr = <0xffffffff>; /* probe for phy addr */
+
+	max-frame-size = <3800>;
+	status = "okay";
+
+	phy-handle = <&phy3>;
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy3: ethernet-phy@3 {
+			txd0-skew-ps = <0>; /* -420ps */
+			txd1-skew-ps = <0>; /* -420ps */
+			txd2-skew-ps = <0>; /* -420ps */
+			txd3-skew-ps = <0>; /* -420ps */
+			rxd0-skew-ps = <420>; /* 0ps */
+			rxd1-skew-ps = <420>; /* 0ps */
+			rxd2-skew-ps = <420>; /* 0ps */
+			rxd3-skew-ps = <420>; /* 0ps */
+			txen-skew-ps = <0>; /* -420ps */
+			txc-skew-ps = <1860>; /* 960ps */
+			rxdv-skew-ps = <420>; /* 0ps */
+			rxc-skew-ps = <1680>; /* 780ps */
+			reg = <3>;
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+	busno = <1>;
+	isl12022: isl12022@6f {
+		status = "okay";
+		compatible = "isil,isl12022";
+		reg = <0x6f>;
+	};
+};
+
+/* Following mappings are taken from arria10 socdk dts */
+&mmc {
+	status = "okay";
+	cap-sd-highspeed;
+	broken-cd;
+	bus-width = <4>;
+};
+
+&osc1 {
+	clock-frequency = <33330000>;
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+};
-- 
2.25.1

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