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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: Sean.Cheng@mediatek.com, Rynn.Wu@mediatek.com,
	srv_heupstream@mediatek.com, holmes.chiou@mediatek.com,
	Jerry-ch.Chen@mediatek.com, jungo.lin@mediatek.com,
	sj.huang@mediatek.com, christie.yu@mediatek.com,
	linux-mediatek@lists.infradead.org, frederic.chen@mediatek.com,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: [RFC PATCH V0 2/7] dts: arm64: mt8183: Add DIP shared memory node
Date: Fri, 1 Feb 2019 19:21:26 +0800
Message-ID: <1549020091-42064-3-git-send-email-frederic.chen@mediatek.com> (raw)
In-Reply-To: <1549020091-42064-1-git-send-email-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 63db9cc..fff67c4 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -133,6 +133,19 @@
 		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>;
-- 
1.9.1


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  parent reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01 11:21 [RFC PATCH V0 0/7] media: platform: Add support for Digital Image Processing (DIP) on mt8183 SoC Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 1/7] [media] dt-bindings: mt8183: Add binding for DIP shared memory Frederic Chen
2019-02-09 15:59   ` Sakari Ailus
2019-02-09 18:17     ` Laurent Pinchart
2019-02-12  9:37       ` Frederic Chen
2019-02-13  3:41         ` Tomasz Figa
2019-02-01 11:21 ` Frederic Chen [this message]
2019-02-01 11:21 ` [RFC PATCH V0 3/7] [media] dt-bindings: mt8183: Added DIP-SMEM dt-bindings Frederic Chen
2019-02-09 15:59   ` Sakari Ailus
2019-02-09 18:20     ` Laurent Pinchart
2019-02-12  9:50       ` Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 4/7] [media] dt-bindings: mt8183: Added DIP dt-bindings Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 5/7] dts: arm64: mt8183: Add DIP nodes Frederic Chen
2019-02-01 11:21 ` [RFC PATCH V0 6/7] media: platform: Add Mediatek DIP driver KConfig Frederic Chen
     [not found] ` <1549020091-42064-8-git-send-email-frederic.chen@mediatek.com>
2019-02-07 19:08   ` [RFC PATCH V0 7/7] [media] platform: mtk-isp: Add Mediatek DIP driver Brian Norris
     [not found]     ` <1550756198.11724.86.camel@mtksdccf07>
2019-02-23  6:18       ` Frederic Chen
2019-02-28  3:24         ` Brian Norris
2019-03-06 17:07           ` Frederic Chen
2019-03-14  8:46 ` [RFC PATCH V0 0/7] media: platform: Add support for Digital Image Processing (DIP) on mt8183 SoC Hans Verkuil

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