linux-kernel - [PATCH v3] arm: dts: zynq: Add MicroZed board support

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Message-Id: <1474624113-22825-1-git-send-email-jagan@amarulasolutions.com>
Date:   Fri, 23 Sep 2016 15:18:33 +0530
From:   Jagan Teki <jagannadh.teki@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jagan Teki <jteki@...nedev.com>,
        Soren Brinkmann <soren.brinkmann@...inx.com>,
        Michal Simek <michal.simek@...inx.com>
Subject: [PATCH v3] arm: dts: zynq: Add MicroZed board support

From: Jagan Teki <jteki@...nedev.com>

Added basic dts support for MicroZed board.

- UART
- SDHCI
- Ethernet

Cc: Soren Brinkmann <soren.brinkmann@...inx.com>
Cc: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Jagan Teki <jteki@...nedev.com>
---
Changes for v3:
	- Add Xilinx copyright
Changes for v2:
	- Add SDHCI
	- Add Ethernet

 arch/arm/boot/dts/Makefile          |  1 +
 arch/arm/boot/dts/zynq-microzed.dts | 96 +++++++++++++++++++++++++++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 arch/arm/boot/dts/zynq-microzed.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index faacd52..4d7b858 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -862,6 +862,7 @@ dtb-$(CONFIG_ARCH_VT8500) += \
 	wm8750-apc8750.dtb \
 	wm8850-w70v2.dtb
 dtb-$(CONFIG_ARCH_ZYNQ) += \
+	zynq-microzed.dtb \
 	zynq-parallella.dtb \
 	zynq-zc702.dtb \
 	zynq-zc706.dtb \
diff --git a/arch/arm/boot/dts/zynq-microzed.dts b/arch/arm/boot/dts/zynq-microzed.dts
new file mode 100644
index 0000000..b9376a4
--- /dev/null
+++ b/arch/arm/boot/dts/zynq-microzed.dts
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2011 - 2014 Xilinx
+ * Copyright (C) 2016 Jagan Teki <jteki@...nedev.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+/dts-v1/;
+/include/ "zynq-7000.dtsi"
+
+/ {
+	model = "Zynq MicroZED Development Board";
+	compatible = "xlnx,zynq-microzed", "xlnx,zynq-7000";
+
+	aliases {
+		ethernet0 = &gem0;
+		serial0 = &uart1;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "earlycon";
+		stdout-path = "serial0:115200n8";
+	};
+
+	usb_phy0: phy0 {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
+};
+
+&clkc {
+	ps-clk-frequency = <33333333>;
+};
+
+&gem0 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy>;
+
+	ethernet_phy: ethernet-phy@0 {
+		reg = <0>;
+	};
+};
+
+&sdhci0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
+	usb-phy = <&usb_phy0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb0_default>;
+};
+
+&pinctrl0 {
+	pinctrl_usb0_default: usb0-default {
+		mux {
+			groups = "usb0_0_grp";
+			function = "usb0";
+		};
+
+		conf {
+			groups = "usb0_0_grp";
+			slew-rate = <0>;
+			io-standard = <1>;
+		};
+
+		conf-rx {
+			pins = "MIO29", "MIO31", "MIO36";
+			bias-high-impedance;
+		};
+
+		conf-tx {
+			pins = "MIO28", "MIO30", "MIO32", "MIO33", "MIO34",
+			       "MIO35", "MIO37", "MIO38", "MIO39";
+			bias-disable;
+		};
+	};
+};
-- 
2.7.4