Merge tag 'at91-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/dt

Merge "at91: dt for 4.1 #2" from Nicolas Ferre:

Second batch of DT changes for 4.1:
- RTC nodes for at91sam9x5 boards and at91sam9n12ek
- HLCDC nodes and pin definitions for sama5d3 & sama5d4
- additional uarts for sama5d3

* tag 'at91-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91/dt: sama5d4: add rgb777 LCD line configuration
  ARM: at91/dt: sama5d4: fix LCD pins for RGB666 format
  ARM: at91/dt: sama5d4: add hlcdc node
  ARM: at91/dt: sama5d4: add lcdc pin definitions
  ARM: at91/dt: sama5d3: add uart1 pinctrl definition
  ARM: at91/dt: sama5d3: add uart0
  ARM: at91/dt: define the HLCDC node available on sama5d3 SoCs
  ARM: at91/dt: add alternative pin muxing for sama5d3 lcd pins
  ARM: at91/dt: split sama5d3 lcd pin definitions to match RGB mode configs
  ARM: at91/dt: at91sam9n12ek: enable RTC
  ARM: at91/dt: at91sam9x5cm: enable RTC
  DT: video: atmel_lcdc: Add example of fixed framebuffer memory

Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 11 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/video/atmel,lcdc.txt b/Documentation/devicetree/bindings/video/atmel,lcdc.txt
index f059dd0b3d28..ecb8da063d07 100644
--- a/Documentation/devicetree/bindings/video/atmel,lcdc.txt
+++ b/Documentation/devicetree/bindings/video/atmel,lcdc.txt
@@ -10,7 +10,9 @@ Required properties:
         "atmel,at91sam9g45es-lcdc" ,
         "atmel,at91sam9rl-lcdc" ,
         "atmel,at32ap-lcdc"
-- reg : Should contain 1 register ranges(address and length)
+- reg : Should contain 1 register ranges(address and length).
+        Can contain an additional register range(address and length)
+        for fixed framebuffer memory. Useful for dedicated memories.
 - interrupts : framebuffer controller interrupt
 - display: a phandle pointing to the display node
 
@@ -38,6 +40,14 @@ Example:
 
         };
 
+Example for fixed framebuffer memory:
+
+        fb0: fb@0x00500000 {
+                compatible = "atmel,at91sam9263-lcdc";
+                reg = <0x00700000 0x1000 0x70000000 0x200000>;
+                [...]
+        };
+
 Atmel LCDC Display
 -----------------------------------------------------
 Required properties (as per of_videomode_helper):