linux-kernel - [PATCH 7/7] ARM: dts: at91: add CalAmp LMU5000 board

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Message-ID: <20210805155357.594414-8-claudiu.beznea@microchip.com>
Date:   Thu, 5 Aug 2021 18:53:57 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <robh+dt@...nel.org>,
        <arnd@...db.de>, <olof@...om.net>, <soc@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Adam Porter <porter.adam@...il.com>,
        "Claudiu Beznea" <claudiu.beznea@...rochip.com>
Subject: [PATCH 7/7] ARM: dts: at91: add CalAmp LMU5000 board

From: Adam Porter <porter.adam@...il.com>

Add CalAmp LMU5000 board. The base device tree is from OpenWrt tree and
with the addition of this patch there will be no need to maintain it
separatelly in OpenWrt.

[porter.adam: original author of patch in OpenWrt]
Signed-off-by: Adam Porter <porter.adam@...il.com>
[claudiu.beznea: fixed compilation warnings, use &<lable> syntax,
 sorted nodes in alphabetical order, adapted flash to new support
 in kernel 5.14, use proper compatibles according to kernel 5.14,
 use macros instead of hard coded numbers for pinctrl phandles and
 for all pinctrl references, add pinctrl-names, pinctrl-X where
 necessary]
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 arch/arm/boot/dts/Makefile         |   1 +
 arch/arm/boot/dts/at91-lmu5000.dts | 148 +++++++++++++++++++++++++++++
 2 files changed, 149 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-lmu5000.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 34f6ead22048..07be55262516 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -25,6 +25,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	usb_a9263.dtb \
 	at91-foxg20.dtb \
 	at91-kizbox.dtb \
+	at91-lmu5000.dtb \
 	at91sam9g20ek.dtb \
 	at91sam9g20ek_2mmc.dtb \
 	tny_a9g20.dtb \
diff --git a/arch/arm/boot/dts/at91-lmu5000.dts b/arch/arm/boot/dts/at91-lmu5000.dts
new file mode 100644
index 000000000000..6a52728cc98f
--- /dev/null
+++ b/arch/arm/boot/dts/at91-lmu5000.dts
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Device Tree file for CalAmp LMU5000 board
+ *
+ * Copyright (C) 2013 Adam Porter <porter.adam@...il.com>
+ */
+
+/dts-v1/;
+#include "at91sam9g20.dtsi"
+
+/ {
+	model = "CalAmp LMU5000";
+	compatible = "calamp,lmu5000", "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200 rootfstype=jffs2";
+	};
+
+	memory {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock@0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <18432000>;
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&ebi {
+	status = "okay";
+
+	nand_controller: nand-controller {
+		pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
+		pinctrl-names = "default";
+		status = "okay";
+
+		nand@3 {
+			reg = <0x3 0x0 0x800000>;
+			rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
+			cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
+			nand-bus-width = <8>;
+			nand-ecc-mode = "soft";
+			nand-on-flash-bbt;
+			label = "atmel_nand";
+			status = "okay";
+
+			partitions {
+				compatible = "fixed-partitions";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				kernel@0 {
+					label = "kernel";
+					reg = <0x0 0x400000>;
+				};
+
+				rootfs@...000 {
+					label = "rootfs";
+					reg = <0x400000 0x3C00000>;
+				};
+
+				user1@...0000 {
+					label = "user1";
+					reg = <0x4000000 0x2000000>;
+				};
+
+				user2@...0000 {
+					label = "user2";
+					reg = <0x6000000 0x2000000>;
+				};
+			};
+		};
+	};
+};
+
+&macb0 {
+	phy-mode = "mii";
+	status = "okay";
+};
+
+&pinctrl {
+	board {
+		pinctrl_pck0_as_mck: pck0_as_mck {
+			atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+
+	usb0 {
+		pinctrl_usb1_vbus_gpio: usb0_vbus_gpio {
+			atmel,pins = <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&ssc0 {
+	status = "okay";
+	pinctrl-0 = <&pinctrl_ssc0_tx>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usart0 {
+	pinctrl-0 =
+		<&pinctrl_usart0
+		 &pinctrl_usart0_rts
+		 &pinctrl_usart0_cts
+		 &pinctrl_usart0_dtr_dsr
+		 &pinctrl_usart0_dcd
+		 &pinctrl_usart0_ri>;
+	status = "okay";
+};
+
+&usart2 {
+	status = "okay";
+};
+
+&usb0 {
+	num-ports = <2>;
+	status = "okay";
+};
+
+&usb1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+	atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
-- 
2.25.1