[PATCH v3 2/2] ARM: at91: Add DT support for Olimex SAM9-L9260 board.
Raashid Muhammed
raashidmuhammed at zilogic.com
Thu Jun 2 23:15:39 PDT 2016
From: Raashid Muhammed <raashidmuhammed at zilogic.com>
sam9-l9260 is a low cost board designed by Olimex.
More information is available at:
https://www.olimex.com/Products/ARM/Atmel/SAM9-L9260/
Signed-off-by: Raashid Muhammed <raashidmuhammed at zilogic.com>
Reviewed-by: Vijay Kumar B. <vijaykumar at bravegnu.org>
Acked-by: Rob Herring <robh at kernel.org>
---
Documentation/devicetree/bindings/arm/olimex.txt | 8 +-
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/at91-sam9_l9260.dts | 115 +++++++++++++++++++++++
3 files changed, 122 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/boot/dts/at91-sam9_l9260.dts
diff --git a/Documentation/devicetree/bindings/arm/olimex.txt b/Documentation/devicetree/bindings/arm/olimex.txt
index 007fb5c..d726aec 100644
--- a/Documentation/devicetree/bindings/arm/olimex.txt
+++ b/Documentation/devicetree/bindings/arm/olimex.txt
@@ -1,5 +1,9 @@
-Olimex i.MX Platforms Device Tree Bindings
-------------------------------------------
+Olimex Device Tree Bindings
+---------------------------
+
+SAM9-L9260 Board
+Required root node properties:
+ - compatible = "olimex,sam9-l9260", "atmel,at91sam9260";
i.MX23 Olinuxino Low Cost Board
Required root node properties:
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0f89d87..d27f09d 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 \
+ at91-sam9_l9260.dtb \
tny_a9263.dtb \
usb_a9263.dtb \
at91-foxg20.dtb \
diff --git a/arch/arm/boot/dts/at91-sam9_l9260.dts b/arch/arm/boot/dts/at91-sam9_l9260.dts
new file mode 100644
index 0000000..349a461
--- /dev/null
+++ b/arch/arm/boot/dts/at91-sam9_l9260.dts
@@ -0,0 +1,115 @@
+/*
+ * at91-sam9_l9260.dts - Device Tree file for Olimex SAM9-L9260 board
+ *
+ * Copyright (C) 2016 Raashid Muhammed <raashidmuhammed at zilogic.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "at91sam9260.dtsi"
+
+/ {
+ model = "Olimex sam9-l9260";
+ compatible = "olimex,sam9-l9260", "atmel,at91sam9260", "atmel,at91sam9";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory {
+ reg = <0x20000000 0x4000000>;
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <18432000>;
+ };
+ };
+
+ ahb {
+ apb {
+ mmc0: mmc at fffa8000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc0_clk
+ &pinctrl_mmc0_slot1_cmd_dat0
+ &pinctrl_mmc0_slot1_dat1_3>;
+ status = "okay";
+
+ slot at 1 {
+ reg = <1>;
+ bus-width = <4>;
+ cd-gpios = <&pioC 8 GPIO_ACTIVE_HIGH>;
+ wp-gpios = <&pioC 4 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ macb0: ethernet at fffc4000 {
+ phy-mode = "mii";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ ethernet-phy at 1 {
+ reg = <0x1>;
+ };
+ };
+
+ spi0: spi at fffc8000 {
+ cs-gpios = <&pioC 11 0>, <0>, <0>, <0>;
+ status = "okay";
+
+ flash at 0 {
+ compatible = "atmel,at45", "atmel,dataflash";
+ spi-max-frequency = <15000000>;
+ reg = <0>;
+ };
+ };
+
+ dbgu: serial at fffff200 {
+ status = "okay";
+ };
+
+ pinctrl at fffff400 {
+ mmc0 {
+ pinctrl_board_mmc0: mmc0-board {
+ atmel,pins =
+ <AT91_PIOC 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH /* CD pin */
+ AT91_PIOC 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* WP pin */
+ };
+ };
+ };
+ };
+
+ nand0: nand at 40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt = <1>;
+ status = "okay";
+ };
+
+ usb0: ohci at 500000 {
+ status = "okay";
+ };
+
+ };
+
+ i2c at 0 {
+ status = "okay";
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ b0 {
+ label = "b0";
+ gpios = <&pioA 6 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ };
+};
--
2.1.4
More information about the linux-arm-kernel
mailing list