From fa3e3c198b67d96983ce0605944a184e0195140a Mon Sep 17 00:00:00 2001
From: Rodolfo Giometti <giometti@linux.it>
Date: Wed, 6 Nov 2013 16:31:50 +0100
Subject: [PATCH 1/1] arm mach-at91: add support for Cosino board series by HCE
Engineering
This patch adds the Cosino at91sam9g35 based CPU module and the
Cosino Mega 2560 extension board.
Web site: http://www.cosino.it
Signed-off-by: Rodolfo Giometti <giometti@linux.it>
[nicolas.ferre@atmel.com: adapted to newer kernel, modified commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/at91-cosino.dtsi | 121 +++++++++++++++++++++++++++++
arch/arm/boot/dts/at91-cosino_mega2560.dts | 85 ++++++++++++++++++++
3 files changed, 207 insertions(+)
create mode 100644 arch/arm/boot/dts/at91-cosino.dtsi
create mode 100644 arch/arm/boot/dts/at91-cosino_mega2560.dts
@@ -35,6 +35,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb
dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb
dtb-$(CONFIG_ARCH_AT91) += at91sam9x25ek.dtb
dtb-$(CONFIG_ARCH_AT91) += at91sam9x35ek.dtb
+dtb-$(CONFIG_ARCH_AT91) += at91-cosino_mega2560.dtb
# sama5d3
dtb-$(CONFIG_ARCH_AT91) += sama5d31ek.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb
new file mode 100644
@@ -0,0 +1,121 @@
+/*
+ * cosino.dtsi - Device Tree file for Cosino core module
+ *
+ * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
+ * HCE Engineering
+ *
+ * Derived from at91sam9x5ek.dtsi by:
+ * Copyright (C) 2012 Atmel,
+ * 2012 Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include "at91sam9g35.dtsi"
+
+/ {
+ model = "HCE Cosino core module";
+ compatible = "hce,cosino", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
+ };
+
+ memory {
+ reg = <0x20000000 0x8000000>;
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ main_clock: clock@0 {
+ compatible = "atmel,osc", "fixed-clock";
+ clock-frequency = <12000000>;
+ };
+ };
+
+ ahb {
+ apb {
+ mmc0: mmc@f0008000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc0_slot0_clk_cmd_dat0
+ &pinctrl_mmc0_slot0_dat1_3>;
+ status = "okay";
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ dbgu: serial@fffff200 {
+ status = "okay";
+ };
+
+ usart0: serial@f801c000 {
+ status = "okay";
+ };
+
+ i2c0: i2c@f8010000 {
+ status = "okay";
+ };
+
+ adc0: adc@f804c000 {
+ atmel,adc-clock-rate = <1000000>;
+ atmel,adc-ts-wires = <4>;
+ atmel,adc-ts-pressure-threshold = <10000>;
+ status = "okay";
+ };
+
+ pinctrl@fffff400 {
+ mmc0 {
+ pinctrl_board_mmc0: mmc0-board {
+ atmel,pins =
+ <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PD15 gpio CD pin pull up and deglitch */
+ };
+ };
+ };
+
+ watchdog@fffffe40 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "hw";
+ atmel,has-pmecc; /* Enable PMECC */
+ atmel,pmecc-cap = <4>;
+ atmel,pmecc-sector-size = <512>;
+ status = "okay";
+
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ uboot@40000 {
+ label = "u-boot";
+ reg = <0x40000 0x80000>;
+ };
+
+ ubootenv@c0000 {
+ label = "U-Boot Env";
+ reg = <0xc0000 0x140000>;
+ };
+
+ kernel@200000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+
+ rootfs@800000 {
+ label = "rootfs";
+ reg = <0x800000 0x0f800000>;
+ };
+ };
+ };
+};
new file mode 100644
@@ -0,0 +1,85 @@
+/*
+ * cosino_mega2560.dts - Device Tree file for Cosino board with Mega 2560
+ * extension
+ *
+ * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
+ * HCE Engineering
+ *
+ * Derived from at91sam9g35ek.dts by:
+ * Copyright (C) 2012 Atmel,
+ * 2012 Nicolas Ferre <nicolas.ferre@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/dts-v1/;
+#include "at91-cosino.dtsi"
+
+/ {
+ model = "HCE Cosino Mega 2560";
+ compatible = "hce,cosino_mega2560", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+
+ ahb {
+ apb {
+ macb0: ethernet@f802c000 {
+ phy-mode = "rmii";
+ status = "okay";
+ };
+
+ adc0: adc@f804c000 {
+ atmel,adc-clock-rate = <1000000>;
+ atmel,adc-ts-wires = <4>;
+ atmel,adc-ts-pressure-threshold = <10000>;
+ status = "okay";
+ };
+
+
+ tsadcc: tsadcc@f804c000 {
+ status = "okay";
+ };
+
+ rtc@fffffeb0 {
+ status = "okay";
+ };
+
+ usart1: serial@f8020000 {
+ status = "okay";
+ };
+
+ usart2: serial@f8024000 {
+ status = "okay";
+ };
+
+ usb2: gadget@f803c000 {
+ atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+
+ mmc1: mmc@f000c000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc1_slot0_clk_cmd_dat0
+ &pinctrl_mmc1_slot0_dat1_3>;
+ status = "okay";
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ non-removable;
+ };
+ };
+ };
+
+ usb0: ohci@00600000 {
+ status = "okay";
+ num-ports = <3>;
+ atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
+ &pioD 19 GPIO_ACTIVE_LOW
+ &pioD 20 GPIO_ACTIVE_LOW
+ >;
+ };
+
+ usb1: ehci@00700000 {
+ status = "okay";
+ };
+ };
+};
--
1.8.1.2