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[PATCH v2 11/26] ARM: sun5i: Add DRAM gates

From Maxime Ripard <maxime.ripard@free-electrons.com>
Newsgroups linux.kernel
Subject [PATCH v2 11/26] ARM: sun5i: Add DRAM gates
Date 2016-01-14 16:30 +0100
Message-ID <qQS0y-uX-41@gated-at.bofh.it> (permalink)
References <qQS0x-uX-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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>
---
 arch/arm/boot/dts/sun5i-a10s.dtsi |  7 ++++---
 arch/arm/boot/dts/sun5i-a13.dtsi  |  2 +-
 arch/arm/boot/dts/sun5i-r8.dtsi   |  2 +-
 arch/arm/boot/dts/sun5i.dtsi      | 19 +++++++++++++++++++
 4 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index bddd0de88af6..52d2c79cb37b 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.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";
 		};
 
@@ -74,7 +74,8 @@
 			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";
 		};
 
@@ -83,7 +84,7 @@
 				     "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";
 		};
 	};
diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index 9669b03f20f3..f29163650ca8 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -62,7 +62,7 @@
 				     "simple-framebuffer";
 			allwinner,pipeline = "de_be0-lcd0";
 			clocks = <&ahb_gates 36>, <&ahb_gates 44>, <&de_be_clk>,
-				 <&tcon_ch0_clk>;
+				 <&tcon_ch0_clk>, <&dram_gates 26>;
 			status = "disabled";
 		};
 	};
diff --git a/arch/arm/boot/dts/sun5i-r8.dtsi b/arch/arm/boot/dts/sun5i-r8.dtsi
index b1e4e0170d51..691d3de75b35 100644
--- a/arch/arm/boot/dts/sun5i-r8.dtsi
+++ b/arch/arm/boot/dts/sun5i-r8.dtsi
@@ -53,7 +53,7 @@
 			allwinner,pipeline = "de_be0-lcd0-tve0";
 			clocks = <&ahb_gates 34>, <&ahb_gates 36>,
 				 <&ahb_gates 44>, <&de_be_clk>,
-				 <&tcon_ch1_clk>;
+				 <&tcon_ch1_clk>, <&dram_gates 26>;
 			status = "disabled";
 		};
 	};
diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi
index 0840612b5ed6..c72d94228915 100644
--- a/arch/arm/boot/dts/sun5i.dtsi
+++ b/arch/arm/boot/dts/sun5i.dtsi
@@ -338,6 +338,25 @@
 			clock-output-names = "usb_ohci0", "usb_phy";
 		};
 
+		dram_gates: clk@01c20100 {
+			#clock-cells = <1>;
+			compatible = "allwinner,sun5i-a13-dram-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";
+		};
+
 		codec_clk: clk@01c20140 {
 			#clock-cells = <0>;
 			compatible = "allwinner,sun4i-a10-codec-clk";
-- 
2.6.4

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Thread

[PATCH v2 00/26] drm: Add Allwinner A10 display engine support Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 03/26] clk: Add regmap support Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 22/26] ARM: sun5i: r8: Add display blocks to the DTSI Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 20/26] drm: sun4i: tv: Add PAL output standard Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 21/26] drm: sun4i: tv: Add NTSC output standard Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 10/26] ARM: sun5i: a13: Add display and TCON clocks Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 18/26] drm: sun4i: Add RGB output Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 23/26] ARM: sun5i: chip: Enable the TV Encoder Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 11/26] ARM: sun5i: Add DRAM gates Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 19/26] drm: sun4i: Add composite output Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 08/26] clk: sun5i: add DRAM gates Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
    Re: [PATCH v2 08/26] clk: sun5i: add DRAM gates Rob Herring <robh@kernel.org> - 2016-01-15 04:10 +0100
  [PATCH v2 06/26] clk: sunxi: Add PLL3 clock Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
    Re: [PATCH v2 06/26] clk: sunxi: Add PLL3 clock Rob Herring <robh@kernel.org> - 2016-01-15 04:10 +0100
  [PATCH v2 04/26] clk: composite: Add unregister function Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:30 +0100
  [PATCH v2 02/26] reset: Make reset_control_ops const Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 07/26] clk: sunxi: Add TCON channel1 clock Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 07/26] clk: sunxi: Add TCON channel1 clock Rob Herring <robh@kernel.org> - 2016-01-15 04:10 +0100
  [PATCH v2 26/26] DO NOT MERGE: ARM: sun5i: chip: Enable the LCD panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 15/26] drm/modes: Support modes names on the command line Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 14/26] drm/modes: Rewrite the command line parser Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 17/26] drm: sun4i: Add DT bindings documentation Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 17/26] drm: sun4i: Add DT bindings documentation Rob Herring <robh@kernel.org> - 2016-01-15 04:20 +0100
  [PATCH v2 12/26] ARM: sun5i: Add TV encoder gate to the DTSI Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 25/26] drm/panel: simple: Add timings for the Olimex LCD-OLinuXino-4.3TS Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 25/26] drm/panel: simple: Add timings for the Olimex  LCD-OLinuXino-4.3TS Rob Herring <robh@kernel.org> - 2016-01-15 04:20 +0100
  [PATCH v2 13/26] drm/fb_cma_helper: Remove implicit call to disable_unused_functions Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 13/26] drm/fb_cma_helper: Remove implicit call to disable_unused_functions Laurent Pinchart <laurent.pinchart@ideasonboard.com> - 2016-01-15 00:20 +0100
  [PATCH v2 05/26] clk: sunxi: Add display and TCON0 clocks driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 05/26] clk: sunxi: Add display and TCON0 clocks driver Rob Herring <robh@kernel.org> - 2016-01-15 04:10 +0100
  [PATCH v2 24/26] devicetree: Add olimex vendor prefix Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
    Re: [PATCH v2 24/26] devicetree: Add olimex vendor prefix Rob Herring <robh@kernel.org> - 2016-01-15 04:20 +0100
      Re: [PATCH v2 24/26] devicetree: Add olimex vendor prefix Stefan Wahren <stefan.wahren@i2se.com> - 2016-01-15 07:50 +0100
        Re: [PATCH v2 24/26] devicetree: Add olimex vendor prefix Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-15 09:10 +0100
  [PATCH v2 09/26] ARM: sun5i: dt: Add pll3 and pll7 clocks Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:40 +0100
  [PATCH v2 01/26] reset: Move DT cell size check to the core Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-01-14 16:50 +0100

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