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authorAndre Renaud <andre@designa-electronics.com>2016-05-05 07:28:22 -0600
committerAndreas Bießmann <andreas@biessmann.org>2016-06-12 23:49:38 +0200
commit885fc03aab946d3c0a842aaf32f9513e3a7c8c20 (patch)
treeb10ac573d74615b7f282f17d6cf4e717d61a3eff /arch/arm/dts
parent04b9dd10cc11e4f603a2bae9cf4cc21af1229534 (diff)
downloadblackbird-obmc-uboot-885fc03aab946d3c0a842aaf32f9513e3a7c8c20.tar.gz
blackbird-obmc-uboot-885fc03aab946d3c0a842aaf32f9513e3a7c8c20.zip
arm: at91: Add support for gurnard
This board is based on Snapper 9G45 which has an Atmel AT91SAM9G45 chip and 128MB of SDRAM. It includes a small LCD, 2xUSB host, SD card, Ethernet and two UARTs. Signed-off-by: Andre Renaud <andre@designa-electronics.com> Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Andreas Bießmann <andreas@biessmann.org> [apply CONFIG_BOOTDELAY transition] Signed-off-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'arch/arm/dts')
-rw-r--r--arch/arm/dts/at91sam9g45-gurnard.dts157
1 files changed, 157 insertions, 0 deletions
diff --git a/arch/arm/dts/at91sam9g45-gurnard.dts b/arch/arm/dts/at91sam9g45-gurnard.dts
new file mode 100644
index 0000000000..75c1e99274
--- /dev/null
+++ b/arch/arm/dts/at91sam9g45-gurnard.dts
@@ -0,0 +1,157 @@
+/*
+ * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
+ *
+ * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Licensed under GPLv2.
+ */
+/dts-v1/;
+#include "at91sam9g45.dtsi"
+
+/ {
+ model = "Bluewater Systems Gurnard";
+ compatible = "atmel,at91sam9g45", "atmel,at91sam9";
+
+ chosen {
+ bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x20000000 0x8000000>;
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <18432000>;
+ };
+ };
+
+ ahb {
+ u-boot,dm-pre-reloc;
+
+ fb@0x00500000 {
+ u-boot,dm-pre-reloc;
+ status = "okay";
+ display-timings {
+ rev1 {
+ clock-frequency = <4166666>;
+ hactive = <480>;
+ vactive = <272>;
+ hfront-porch = <1>;
+ hback-porch = <1>;
+ hsync-len = <1>;
+ vback-porch = <4>;
+ vfront-porch = <2>;
+ vsync-len = <1>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ };
+
+ rev2 {
+ clock-frequency = <4166666>;
+ hactive = <480>;
+ vactive = <272>;
+ hfront-porch = <2>;
+ hback-porch = <2>;
+ hsync-len = <10>;
+ vback-porch = <2>;
+ vfront-porch = <2>;
+ vsync-len = <10>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ };
+ };
+ };
+
+ apb {
+ pinctrl@fffff400 {
+ board {
+ pinctrl_pck0_as_mck: pck0_as_mck {
+ atmel,pins =
+ <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
+ };
+
+ };
+
+ mmc0_slot1 {
+ pinctrl_board_mmc0_slot1: mmc0_slot1-board {
+ atmel,pins =
+ <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
+ };
+ };
+ };
+
+ dbgu: serial@ffffee00 {
+ status = "okay";
+ };
+
+ macb0: ethernet@fffbc000 {
+ phy-mode = "rmii";
+ status = "okay";
+ };
+
+ mmc0: mmc@fff80000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0_slot1
+ &pinctrl_mmc0_slot0_clk_cmd_dat0
+ &pinctrl_mmc0_slot0_dat1_3>;
+ status = "okay";
+ slot@1 {
+ reg = <1>;
+ bus-width = <4>;
+ cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ ssc0: ssc@fff9c000 {
+ status = "okay";
+ pinctrl-0 = <&pinctrl_ssc0_tx>;
+ };
+
+ spi0: spi@fffa4000 {
+ cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
+ mtd_dataflash@0 {
+ compatible = "atmel,at45", "atmel,dataflash";
+ spi-max-frequency = <50000000>;
+ reg = <1>;
+ };
+ };
+
+ shdwc@fffffd10 {
+ atmel,wakeup-counter = <10>;
+ atmel,wakeup-rtt-timer;
+ };
+
+ rtc@fffffd20 {
+ atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+ status = "okay";
+ };
+
+ watchdog@fffffd40 {
+ status = "okay";
+ };
+
+ gpbr: syscon@fffffd60 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "hardware";
+ nand-on-flash-bbt;
+ status = "okay";
+ };
+
+ usb1: ehci@00800000 {
+ atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+ };
+ };
+
+};
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