[PATCH] ARM: at91: Add DT support for Olimex SAM9-L9260 board.

From: Raashid Muhammed
Date: Wed May 18 2016 - 09:05:21 EST


From: Raashid Muhammed <raashidmuhammed@xxxxxxxxxxx>

sam9-l9260 is a low cost board designed by Olimex.

More infomation is available at:
https://www.olimex.com/Products/ARM/Atmel/SAM9-L9260/

Signed-off-by: Raashid Muhammed <raashidmuhammed@xxxxxxxxxxx>
Reviewed-by: Vijay Kumar B. <vijaykumar@xxxxxxxxxxxx>
---
.../devicetree/bindings/arm/olimex-at91.txt | 6 ++
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sam9-l9260.dts | 108 +++++++++++++++++++++
3 files changed, 115 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/olimex-at91.txt
create mode 100644 arch/arm/boot/dts/sam9-l9260.dts

diff --git a/Documentation/devicetree/bindings/arm/olimex-at91.txt b/Documentation/devicetree/bindings/arm/olimex-at91.txt
new file mode 100644
index 0000000..0587d63
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/olimex-at91.txt
@@ -0,0 +1,6 @@
+Olimex AT91 Device Tree Bindings
+--------------------------------
+
+SAM9-L9260 Board
+Required root node properties:
+ - compatible = "olimex,sam9-l9260", "atmel,at91sam9260";
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 95c1923..ae3b50f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -19,6 +19,7 @@ dtb-$(CONFIG_SOC_SAM_V4_V5) += \
usb_a9260.dtb \
at91sam9261ek.dtb \
at91sam9263ek.dtb \
+ sam9-l9260.dtb \
tny_a9263.dtb \
usb_a9263.dtb \
at91-foxg20.dtb \
diff --git a/arch/arm/boot/dts/sam9-l9260.dts b/arch/arm/boot/dts/sam9-l9260.dts
new file mode 100644
index 0000000..3ddf7af
--- /dev/null
+++ b/arch/arm/boot/dts/sam9-l9260.dts
@@ -0,0 +1,108 @@
+/*
+ * sam9-l9260.dts - Device Tree file for Olimex SAM9-L9260 board
+ *
+ * Copyright (C) 2016 Raashid Muhammed <raashidmuhammed@xxxxxxxxxxx>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "at91sam9260.dtsi"
+
+/ {
+ model = "Olimex sam9-l9260";
+ compatible = "olimex,sam9-l9260", "atmel,at91sam9260", "atmel,at91sam9";
+
+ chosen {
+ bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
+ };
+
+ memory {
+ reg = <0x20000000 0x4000000>;
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <18432000>;
+ };
+ };
+
+ ahb {
+ apb {
+ dbgu: serial@fffff200 {
+ status = "okay";
+ };
+
+ macb0: ethernet@fffc4000 {
+ phy-mode = "mii";
+ status = "okay";
+ };
+
+ spi0: spi@fffc8000 {
+ status = "okay";
+ cs-gpios = <&pioC 11 0>, <0>, <0>, <0>;
+ mtd_dataflash@0 {
+ compatible = "atmel,at45", "atmel,dataflash";
+ spi-max-frequency = <15000000>;
+ reg = <0>;
+ };
+ };
+
+ mmc0: mmc@fffa8000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc0_clk
+ &pinctrl_mmc0_slot1_cmd_dat0
+ &pinctrl_mmc0_slot1_dat1_3>;
+ status = "okay";
+ slot@1 {
+ reg = <1>;
+ bus-width = <4>;
+ cd-gpios = <&pioC 8 GPIO_ACTIVE_HIGH>;
+ wp-gpios = <&pioC 4 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ pinctrl@fffff400 {
+ mmc0 {
+ pinctrl_board_mmc0: mmc0-board {
+ atmel,pins =
+ <AT91_PIOC 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH /* PC08 gpio CD pin pull up and deglitch */
+ AT91_PIOC 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PC04 gpio WP pin pull up */
+ };
+ };
+ };
+
+
+ };
+
+ usb0: ohci@00500000 {
+ status = "okay";
+ };
+
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt = <1>;
+ status = "okay";
+ };
+ };
+
+ i2c@0 {
+ status = "okay";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ b0 {
+ label = "b0";
+ gpios = <&pioA 6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ };
+};
--
2.1.4