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ARM: sun5i: Add DRAM gates 

The DRAM gates control whether the image / display devices on the SoC have
access to the DRAM clock or not.

Enable it.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2016-03-23 17:38:31 +01:00
parent 15bd920f96
commit 541ac1554e
2 changed files with 23 additions and 2 deletions
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23
arch/arm/boot/dts/sun5i-a13.dtsi
View File

@ -61,7 +61,8 @@
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";
};
};
@ -149,6 +150,26 @@
"apb1_i2c2", "apb1_uart1",
"apb1_uart3";
};
dram_gates: clk@01c20100 {
#clock-cells = <1>;
compatible = "allwinner,sun5i-a13-dram-gates-clk",
"allwinner,sun4i-a10-gates-clk";
reg = <0x01c20100 0x4>;
clocks = <&pll5 0>;
clock-indices = <0>,
<1>,
<25>,
<26>,
<29>,
<31>;
clock-output-names = "dram_ve",
"dram_csi",
"dram_de_fe",
"dram_de_be",
"dram_ace",
"dram_iep";
};
};
soc@01c00000 {

2
arch/arm/boot/dts/sun5i-r8.dtsi
View File

@ -52,7 +52,7 @@
"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";
};
};