lkml.org 
[lkml]   [2015]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH resend 3/6] ARM: dts: sun4i: Add DRAM gates
Date
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>
---
arch/arm/boot/dts/sun4i-a10.dtsi | 36 ++++++++++++++++++++++++++++++++----
1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index aa90f319309b..849d0242ece8 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -66,7 +66,7 @@
"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";
};

@@ -75,7 +75,8 @@
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi";
clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
- <&ahb_gates 44>, <&ahb_gates 46>;
+ <&ahb_gates 44>, <&ahb_gates 46>,
+ <&dram_gates 25>, <&dram_gates 26>;
status = "disabled";
};

@@ -84,7 +85,8 @@
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0";
clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>,
- <&ahb_gates 46>;
+ <&ahb_gates 46>, <&dram_gates 25>,
+ <&dram_gates 26>;
status = "disabled";
};

@@ -93,7 +95,8 @@
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0-tve0";
clocks = <&pll5 1>, <&ahb_gates 34>, <&ahb_gates 36>,
- <&ahb_gates 44>, <&ahb_gates 46>;
+ <&ahb_gates 44>, <&ahb_gates 46>,
+ <&dram_gates 25>, <&dram_gates 26>;
status = "disabled";
};
};
@@ -492,6 +495,31 @@
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";
--
2.6.2


\
 
 \ /
  Last update: 2015-12-05 14:41    [W:0.071 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site