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>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d57c1a6..772a30e 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -30,6 +30,7 @@ dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb
 # sam9x5
 dtb-$(CONFIG_ARCH_AT91) += at91-ariag25.dtb
+dtb-$(CONFIG_ARCH_AT91) += at91-cosino_mega2560.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g15ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb

diff --git a/arch/arm/boot/dts/at91-cosino.dtsi b/arch/arm/boot/dts/at91-cosino.dtsi
new file mode 100644 (file)
index 0000000..2093c4d
--- /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>;
+                       };
+               };
+       };
+};

diff --git a/arch/arm/boot/dts/at91-cosino_mega2560.dts b/arch/arm/boot/dts/at91-cosino_mega2560.dts
new file mode 100644 (file)
index 0000000..f9415dd
--- /dev/null
+++ b/arch/arm/boot/dts/at91-cosino_mega2560.dts
@@ -0,0 +1,84 @@
+/*
+ * at91-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,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_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 */
+                                          &pioD 19 GPIO_ACTIVE_LOW
+                                          &pioD 20 GPIO_ACTIVE_LOW
+                                         >;
+               };
+
+               usb1: ehci@00700000 {
+                       status = "okay";
+               };
+       };
+};