77 lines
2.2 KiB
Diff
77 lines
2.2 KiB
Diff
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(-)
|
|
|
|
--- 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";
|