[RFC PATCH v2] ARM: at91: add support for Cosino board series by HCE Engineering
Nicolas Ferre
nicolas.ferre at atmel.com
Wed Nov 13 12:34:30 EST 2013
From: Rodolfo Giometti <giometti at linux.it>
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 at linux.it>
[nicolas.ferre at atmel.com: adapted to newer kernel, modified commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
---
Rodolfo,
Can you please review this adaptation of your previous patch to newer kernel.
I hope to integrate your board in upcoming 3.14.
You will see that I addressed the remarks by Jean-Christophe and Russell (about
commit message). Please tell me if it is good on your side.
Ciao,
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/at91-cosino.dtsi | 122 +++++++++++++++++++++++++++++
arch/arm/boot/dts/at91-cosino_mega2560.dts | 85 ++++++++++++++++++++
3 files changed, 208 insertions(+)
create mode 100644 arch/arm/boot/dts/at91-cosino.dtsi
create mode 100644 arch/arm/boot/dts/at91-cosino_mega2560.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d57c1a6..772a30e 100644
--- 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
index 0000000..53f2b01
--- /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 at linux.it>
+ * HCE Engineering
+ *
+ * Derived from at91sam9x5ek.dtsi by:
+ * Copyright (C) 2012 Atmel,
+ * 2012 Nicolas Ferre <nicolas.ferre at 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 at 0 {
+ compatible = "atmel,osc", "fixed-clock";
+ clock-frequency = <12000000>;
+ };
+ };
+
+ ahb {
+ apb {
+ mmc0: mmc at f0008000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc0_slot0_clk_cmd_dat0
+ &pinctrl_mmc0_slot0_dat1_3>;
+ status = "okay";
+ slot at 0 {
+ reg = <0>;
+ bus-width = <4>;
+ cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ dbgu: serial at fffff200 {
+ status = "okay";
+ };
+
+ usart0: serial at f801c000 {
+ status = "okay";
+ };
+
+ i2c0: i2c at f8010000 {
+ status = "okay";
+ };
+
+ adc0: adc at f804c000 {
+ atmel,adc-clock-rate = <1000000>;
+ atmel,adc-ts-wires = <4>;
+ atmel,adc-ts-pressure-threshold = <10000>;
+ status = "okay";
+ };
+
+ pinctrl at 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 at fffffe40 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand at 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 at 0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ uboot at 40000 {
+ label = "u-boot";
+ reg = <0x40000 0x80000>;
+ };
+
+ ubootenv at c0000 {
+ label = "U-Boot Env";
+ reg = <0xc0000 0x140000>;
+ };
+
+ kernel at 200000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+
+ rootfs at 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
index 0000000..fa7be58
--- /dev/null
+++ b/arch/arm/boot/dts/at91-cosino_mega2560.dts
@@ -0,0 +1,85 @@
+/*
+ * at91-cosino_mega2560.dts - Device Tree file for Cosino board with
+ * Mega 2560 extension
+ *
+ * Copyright (C) 2013 - Rodolfo Giometti <giometti at linux.it>
+ * HCE Engineering
+ *
+ * Derived from at91sam9g35ek.dts by:
+ * Copyright (C) 2012 Atmel,
+ * 2012 Nicolas Ferre <nicolas.ferre at 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 at f802c000 {
+ phy-mode = "rmii";
+ status = "okay";
+ };
+
+ adc0: adc at f804c000 {
+ atmel,adc-clock-rate = <1000000>;
+ atmel,adc-ts-wires = <4>;
+ atmel,adc-ts-pressure-threshold = <10000>;
+ status = "okay";
+ };
+
+
+ tsadcc: tsadcc at f804c000 {
+ status = "okay";
+ };
+
+ rtc at fffffeb0 {
+ status = "okay";
+ };
+
+ usart1: serial at f8020000 {
+ status = "okay";
+ };
+
+ usart2: serial at f8024000 {
+ status = "okay";
+ };
+
+ usb2: gadget at f803c000 {
+ atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+
+ mmc1: mmc at f000c000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc1_slot0_clk_cmd_dat0
+ &pinctrl_mmc1_slot0_dat1_3>;
+ status = "okay";
+ slot at 0 {
+ reg = <0>;
+ bus-width = <4>;
+ non-removable;
+ };
+ };
+ };
+
+ usb0: ohci at 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 at 00700000 {
+ status = "okay";
+ };
+ };
+};
--
1.8.2.2
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