ARM: at91: dt: add Calao USB-A9G20 low power version

the low power version have a mmc-spi

eanble mmc-spi and RV3029C2 RTC in at91_dt_defconfig

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

5 files changed, 62 insertions, 17 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 342c1d7d48e1..ba0b00a057d5 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9g20ek_2mmc.dtb
 dtb-$(CONFIG_ARCH_AT91) += kizbox.dtb
 dtb-$(CONFIG_ARCH_AT91) += tny_a9g20.dtb
 dtb-$(CONFIG_ARCH_AT91) += usb_a9g20.dtb
+dtb-$(CONFIG_ARCH_AT91) += usb_a9g20_lpw.dtb
 # sam9g45
 dtb-$(CONFIG_ARCH_AT91) += at91sam9m10g45ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb
diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index c979c06cf697..ec77cf8f9695 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -6,25 +6,9 @@
  * Licensed under GPLv2 or later.
  */
 /dts-v1/;
-#include "at91sam9g20.dtsi"
-#include "usb_a9260_common.dtsi"
+#include "usb_a9g20_common.dtsi"
 
 / {
         model = "Calao USB A9G20";
         compatible = "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9";
-
-        chosen {
-                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
-        };
-
-        memory {
-                reg = <0x20000000 0x4000000>;
-        };
-
-        i2c@0 {
-                rv3029c2@56 {
-                        compatible = "rv3029c2";
-                        reg = <0x56>;
-                };
-        };
 };
diff --git a/arch/arm/boot/dts/usb_a9g20_common.dtsi b/arch/arm/boot/dts/usb_a9g20_common.dtsi
new file mode 100644
index 000000000000..0b3b36182fe5
--- /dev/null
+++ b/arch/arm/boot/dts/usb_a9g20_common.dtsi
@@ -0,0 +1,27 @@
+/*
+ * usb_a9g20.dts - Device Tree file for Caloa USB A9G20 board
+ *
+ *  Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include "at91sam9g20.dtsi"
+#include "usb_a9260_common.dtsi"
+
+/ {
+        chosen {
+                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
+        };
+
+        memory {
+                reg = <0x20000000 0x4000000>;
+        };
+
+        i2c@0 {
+                rv3029c2@56 {
+                        compatible = "rv3029c2";
+                        reg = <0x56>;
+                };
+        };
+};
diff --git a/arch/arm/boot/dts/usb_a9g20_lpw.dts b/arch/arm/boot/dts/usb_a9g20_lpw.dts
new file mode 100644
index 000000000000..f8cb1b9a01c5
--- /dev/null
+++ b/arch/arm/boot/dts/usb_a9g20_lpw.dts
@@ -0,0 +1,31 @@
+/*
+ * usb_a9g20_lpw.dts - Device Tree file for Caloa USB A9G20 Low Power board
+ *
+ *  Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "usb_a9g20_common.dtsi"
+
+/ {
+        model = "Calao USB A9G20 Low Power";
+        compatible = "calao,usb-a9g20-lpw", "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9";
+
+        ahb {
+                apb {
+                        spi1: spi@fffcc000 {
+                                cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>;
+                                status = "okay";
+                                mmc-slot@0 {
+                                        compatible = "mmc-spi-slot";
+                                        reg = <0>;
+                                        voltage-ranges = <3200 3400>;
+                                        spi-max-frequency = <25000000>;
+                                        interrupt-parent = <&pioC>;
+                                        interrupts = <4 IRQ_TYPE_EDGE_BOTH>;
+                                };
+                        };
+                };
+        };
+};
diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig
index a8800d361805..75fd842d4071 100644
--- a/arch/arm/configs/at91_dt_defconfig
+++ b/arch/arm/configs/at91_dt_defconfig
@@ -161,6 +161,7 @@ CONFIG_USB_ATMEL_USBA=y
 CONFIG_USB_G_SERIAL=y
 CONFIG_MMC=y
 CONFIG_MMC_ATMELMCI=y
+CONFIG_MMC_SPI=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_GPIO=y
@@ -169,6 +170,7 @@ CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_GPIO=y
 CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_RV3029C2=y
 CONFIG_RTC_DRV_AT91RM9200=y
 CONFIG_RTC_DRV_AT91SAM9=y
 CONFIG_DMADEVICES=y