ARM: 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>
[plagnioj@jcrosoft.com: added "at91-" to files, pinctrl fixed, removed unneeded stuff]
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
[nicolas.ferre@atmel.com: adapted to newer kernel, modified commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 122 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91-cosino.dtsi b/arch/arm/boot/dts/at91-cosino.dtsi
new file mode 100644
index 000000000000..2093c4d7cd6a
--- /dev/null
+++ b/arch/arm/boot/dts/at91-cosino.dtsi
@@ -0,0 +1,122 @@
+/*
+ * at91-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,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>;
+                        nand-on-flash-bbt;
+                        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>;
+                        };
+                };
+        };
+};