[PATCH] ARM: dts: at91: usb_a9g20: add SPI EEPROM

[Wolfram Sang]

Schematics and board layout indicate that versions with a dataflash
instead of an EEPROM might exist. Let's handle that once we have
hardware to test.

Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>
---
 arch/arm/boot/dts/microchip/usb_a9g20.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/usb_a9g20.dts b/arch/arm/boot/dts/microchip/usb_a9g20.dts
index bdaf35c6526e..555291cd30b3 100644
--- a/arch/arm/boot/dts/microchip/usb_a9g20.dts
+++ b/arch/arm/boot/dts/microchip/usb_a9g20.dts
@@ -12,3 +12,17 @@ / {
 	model = "Calao USB A9G20";
 	compatible = "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9";
 };
+
+&spi0 {
+	cs-gpios = <&pioC 11 GPIO_ACTIVE_LOW>;
+	status = "okay";
+	/* TODO: Some revisions might have a dataflash here instead of an EEPROM */
+	eeprom at 0 {
+		compatible = "st,m95640", "atmel,at25";
+		reg = <0>;
+		spi-max-frequency = <2000000>;
+		size = <8192>;
+		pagesize = <32>;
+		address-width = <16>;
+	};
+};
-- 
2.47.2