sunxi: initial 4.4 support

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

SVN-Revision: 48161

1 files changed, 79 insertions, 0 deletions

diff --git a/target/linux/sunxi/patches-4.4/102-dt-sun7i-add-dram-gates.patch b/target/linux/sunxi/patches-4.4/102-dt-sun7i-add-dram-gates.patch
new file mode 100644
index 0000000000..981ef5ba78
--- /dev/null
+++ b/target/linux/sunxi/patches-4.4/102-dt-sun7i-add-dram-gates.patch
@@ -0,0 +1,79 @@
+From 0b4bf5a5200b9ac5ddf545665f171feb5594677d Mon Sep 17 00:00:00 2001
+From: Chen-Yu Tsai <wens@csie.org>
+Date: Sat, 5 Dec 2015 21:16:46 +0800
+Subject: [PATCH] ARM: dts: sun7i: Add DRAM gates
+
+The DRAM gates controls direct memory access for some peripherals.
+These peripherals include the display pipeline, so add the required
+gates to the simplefb nodes as well.
+
+Signed-off-by: Chen-Yu Tsai <wens@csie.org>
+Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+---
+ arch/arm/boot/dts/sun7i-a20.dtsi | 32 +++++++++++++++++++++++++++++---
+ 1 file changed, 29 insertions(+), 3 deletions(-)
+
+diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
+index e02eb72..21169c0 100644
+--- a/arch/arm/boot/dts/sun7i-a20.dtsi
++++ b/arch/arm/boot/dts/sun7i-a20.dtsi
+@@ -68,7 +68,7 @@
+ 				     "simple-framebuffer";
+ 			allwinner,pipeline = "de_be0-lcd0-hdmi";
+ 			clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
+-				 <&ahb_gates 44>;
++				 <&ahb_gates 44>, <&dram_gates 26>;
+ 			status = "disabled";
+ 		};
+ 
+@@ -76,7 +76,8 @@
+ 			compatible = "allwinner,simple-framebuffer",
+ 				     "simple-framebuffer";
+ 			allwinner,pipeline = "de_be0-lcd0";
+-			clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>;
++			clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>,
++				 <&dram_gates 26>;
+ 			status = "disabled";
+ 		};
+ 
+@@ -85,7 +86,7 @@
+ 				     "simple-framebuffer";
+ 			allwinner,pipeline = "de_be0-lcd0-tve0";
+ 			clocks = <&pll5 1>, <&ahb_gates 34>, <&ahb_gates 36>,
+-				 <&ahb_gates 44>;
++				 <&ahb_gates 44>, <&dram_gates 26>;
+ 			status = "disabled";
+ 		};
+ 	};
+@@ -501,6 +502,31 @@
+ 			clock-output-names = "spi3";
+ 		};
+ 
++		dram_gates: clk@01c20100 {
++			#clock-cells = <1>;
++			compatible = "allwinner,sun4i-a10-dram-gates-clk";
++			reg = <0x01c20100 0x4>;
++			clocks = <&pll5 0>;
++			clock-indices = <0>,
++					<1>, <2>,
++					<3>,
++					<4>,
++					<5>, <6>,
++					<15>,
++					<24>, <25>,
++					<26>, <27>,
++					<28>, <29>;
++			clock-output-names = "dram_ve",
++					     "dram_csi0", "dram_csi1",
++					     "dram_ts",
++					     "dram_tvd",
++					     "dram_tve0", "dram_tve1",
++					     "dram_output",
++					     "dram_de_fe1", "dram_de_fe0",
++					     "dram_de_be0", "dram_de_be1",
++					     "dram_de_mp", "dram_ace";
++		};
++
+ 		codec_clk: clk@01c20140 {
+ 			#clock-cells = <0>;
+ 			compatible = "allwinner,sun4i-a10-codec-clk";