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From: Frederic Chen <frederic.chen@mediatek.com>
To: <hans.verkuil@cisco.com>,
	<laurent.pinchart+renesas@ideasonboard.com>, <tfiga@chromium.org>,
	<matthias.bgg@gmail.com>, <mchehab@kernel.org>
Cc: <yuzhao@chromium.org>, <zwisler@chromium.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>, <Sean.Cheng@mediatek.com>,
	<sj.huang@mediatek.com>, <christie.yu@mediatek.com>,
	<holmes.chiou@mediatek.com>, <frederic.chen@mediatek.com>,
	<Jerry-ch.Chen@mediatek.com>, <jungo.lin@mediatek.com>,
	<Rynn.Wu@mediatek.com>, <linux-media@vger.kernel.org>,
	<srv_heupstream@mediatek.com>, <devicetree@vger.kernel.org>,
	<shik@chromium.org>, <suleiman@chromium.org>
Subject: [RFC PATCH V1 2/6] dts: arm64: mt8183: Add DIP shared memory node
Date: Wed, 17 Apr 2019 18:45:07 +0800
Message-ID: <20190417104511.21514-3-frederic.chen@mediatek.com> (raw)
In-Reply-To: <20190417104511.21514-1-frederic.chen@mediatek.com>

This patch adds a shared memory region used on mt8183 for
exchanging tuning data between co-processor and
Digital Image Processing(DIP) unit.

Signed-off-by: Frederic Chen <frederic.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index c3a516e63141..aec68c6b4571 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -134,6 +134,19 @@
 		clock-output-names = "clk26m";
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		reserve-memory-dip_smem {
+			compatible = "mediatek,reserve-memory-dip_smem";
+			no-map;
+			size = <0 0x01400000>;  /*20 MB share mem size */
+			alignment = <0 0x1000>;
+			alloc-ranges = <0 0x40000000 0 0x10000000>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;
-- 
2.18.0


  parent reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-17 10:45 [RFC PATCH V1 0/6] media: platform: Add support for Digital Image Processing (DIP) on mt8183 SoC Frederic Chen
2019-04-17 10:45 ` [RFC PATCH V1 1/6] dt-bindings: mt8183: Add binding for DIP shared memory Frederic Chen
2019-04-30  1:15   ` Rob Herring
2019-05-07 14:22     ` Frederic Chen
2019-05-14 16:19       ` Rob Herring
2019-05-16  6:12         ` Tomasz Figa
2019-05-17 22:22           ` Rob Herring
2019-04-17 10:45 ` Frederic Chen [this message]
2019-04-17 10:45 ` [RFC PATCH V1 3/6] dt-bindings: mt8183: Added DIP dt-bindings Frederic Chen
2019-04-30  1:16   ` Rob Herring
2019-05-07 14:16     ` Frederic Chen
2019-05-14 16:14       ` Rob Herring
2019-04-17 10:45 ` [RFC PATCH V1 4/6] dts: arm64: mt8183: Add DIP nodes Frederic Chen
2019-04-17 10:45 ` [RFC PATCH V1 5/6] media: platform: Add Mediatek DIP driver KConfig Frederic Chen
2019-04-17 10:45 ` [RFC PATCH V1 6/6] platform: mtk-isp: Add Mediatek DIP driver Frederic Chen
2019-05-09  9:48   ` Tomasz Figa
2019-05-21 19:14     ` Frederic Chen
2019-05-22 10:25       ` Tomasz Figa
2019-05-23 13:46         ` Frederic Chen
2019-05-29  3:38           ` Tomasz Figa
2019-06-11  8:48       ` Frederic Chen
2019-06-11  8:59         ` Tomasz Figa
2019-06-11 10:07           ` Frederic Chen
2019-06-11 10:13             ` Tomasz Figa
2019-06-25 11:35               ` Frederic Chen
2019-06-25 12:16     ` Frederic Chen
2019-06-26  4:24       ` Tomasz Figa
2019-05-22  9:51   ` Shik Chen
2019-05-23 14:24     ` Frederic Chen

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