linux-kernel - [RFC 09/10] ARM: dts: sun5i: Use video-engine node

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Date:   Thu, 25 Aug 2016 11:39:48 +0200
From:   Florent Revest <florent.revest@...e-electrons.com>
To:     linux-media@...r.kernel.org
Cc:     florent.revest@...e-electrons.com, linux-sunxi@...glegroups.com,
        maxime.ripard@...e-electrons.com, posciak@...omium.org,
        hans.verkuil@...co.com, thomas.petazzoni@...e-electrons.com,
        mchehab@...nel.org, linux-kernel@...r.kernel.org, wens@...e.org
Subject: [RFC 09/10] ARM: dts: sun5i: Use video-engine node

Now that we have a driver matching "allwinner,sun5i-a13-video-engine" we
can load it.

The "video-engine" node depends on the new sunxi-ng's CCU clock and
reset bindings. This patch also includes a ve_reserved DMA pool for
videobuf2 buffer allocations in sunxi-cedrus.

Signed-off-by: Florent Revest <florent.revest@...e-electrons.com>
---
 arch/arm/boot/dts/sun5i-a13.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi
index 2afe05fb..384b645 100644
--- a/arch/arm/boot/dts/sun5i-a13.dtsi
+++ b/arch/arm/boot/dts/sun5i-a13.dtsi
@@ -69,6 +69,19 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ve_reserved: cma {
+			compatible = "shared-dma-pool";
+			reg = <0x43d00000 0x9000000>;
+			no-map;
+			linux,cma-default;
+		};
+	};
+
 	thermal-zones {
 		cpu_thermal {
 			/* milliseconds */
@@ -330,6 +343,24 @@
 			};
 		};
 
+		video-engine {
+			compatible = "allwinner,sun5i-a13-video-engine";
+			memory-region = <&ve_reserved>;
+
+			clocks = <&ahb_gates 32>, <&ccu CLK_VE>,
+				 <&dram_gates 0>;
+			clock-names = "ahb", "mod", "ram";
+
+			assigned-clocks = <&ccu CLK_VE>;
+			assigned-clock-rates = <320000000>;
+
+			resets = <&ccu RST_VE>;
+
+			interrupts = <53>;
+
+			reg = <0x01c0e000 4096>;
+		};
+
 		ccu: clock@...20000 {
 			compatible = "allwinner,sun5i-a13-ccu";
 			reg = <0x01c20000 0x400>;
-- 
2.7.4