[PATCH v3 01/10] arm: sunxi: add support for R40 SoC

[Icenowy Zheng <icenowy@xxxxxxx>]

Allwinner R40 is a new SoC, with Quad Core Cortex-A7 and peripherals
like A20.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
---
Changes in v3:
- Use V1.0 documents.

 Documentation/arm/sunxi/README                  | 6 ++++++
 Documentation/devicetree/bindings/arm/sunxi.txt | 1 +
 arch/arm/mach-sunxi/sunxi.c                     | 1 +
 3 files changed, 8 insertions(+)

diff --git a/Documentation/arm/sunxi/README b/Documentation/arm/sunxi/README
index d7b1f016bd62..af56321137e8 100644
--- a/Documentation/arm/sunxi/README
+++ b/Documentation/arm/sunxi/README
@@ -75,6 +75,12 @@ SunXi family
         + Datasheet
           http://linux-sunxi.org/File:Allwinner_V3s_Datasheet_V1.0.pdf
 
+      - Allwinner R40 (sun8i)
+        + Datasheet
+          https://github.com/tinalinux/docs/blob/r40-v1.y/R40_Datasheet_V1.0.pdf
+        + User Manual
+          https://github.com/tinalinux/docs/blob/r40-v1.y/Allwinner_R40_User_Manual_V1.0.pdf
+
     * Quad ARM Cortex-A15, Quad ARM Cortex-A7 based SoCs
       - Allwinner A80
         + Datasheet
diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt
index d2c46449b4eb..b3ffe6cf821a 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.txt
+++ b/Documentation/devicetree/bindings/arm/sunxi.txt
@@ -14,6 +14,7 @@ using one of the following compatible strings:
   allwinner,sun8i-a83t
   allwinner,sun8i-h2-plus
   allwinner,sun8i-h3
+  allwinner-sun8i-r40
   allwinner,sun9i-a80
   allwinner,sun50i-a64
   nextthing,gr8
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index f44e3acb5c90..aea616759451 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -66,6 +66,7 @@ static const char * const sun8i_board_dt_compat[] = {
 	"allwinner,sun8i-h2-plus",
 	"allwinner,sun8i-h3",
 	"allwinner,sun8i-v3s",
+	"allwinner,sun8i-r40",
 	NULL,
 };
 
-- 
2.12.2

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