From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerry-ch Chen Subject: [RFC PATCH V0 2/7] dts: arm64: mt8183: Add FD shared memory node Date: Wed, 20 Feb 2019 15:48:08 +0800 Message-ID: <1550648893-42050-3-git-send-email-Jerry-Ch.chen@mediatek.com> References: <1550648893-42050-1-git-send-email-Jerry-Ch.chen@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1550648893-42050-1-git-send-email-Jerry-Ch.chen@mediatek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: hans.verkuil@cisco.com, laurent.pinchart+renesas@ideasonboard.com, tfiga@chromium.org, matthias.bgg@gmail.com, mchehab@kernel.org Cc: devicetree@vger.kernel.org, Sean.Cheng@mediatek.com, Rynn.Wu@mediatek.com, srv_heupstream@mediatek.com, holmes.chiou@mediatek.com, Jerry-ch Chen , jungo.lin@mediatek.com, sj.huang@mediatek.com, yuzhao@chromium.org, linux-mediatek@lists.infradead.org, zwisler@chromium.org, christie.yu@mediatek.com, frederic.chen@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org List-Id: devicetree@vger.kernel.org This patch adds a shared memory region used on mt8183 for exchanging meta data between co-processor and Face Detection (FD) unit. Signed-off-by: Jerry-ch Chen --- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index c3a516e..b3d8dfd 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -134,6 +134,14 @@ clock-output-names = "clk26m"; }; + reserve-memory-fd_smem { + compatible = "mediatek,reserve-memory-fd_smem"; + no-map; + size = <0 0x00100000>; /*1 MB share mem size */ + alignment = <0 0x1000>; + alloc-ranges = <0 0x40000000 0 0x10000000>; + }; + timer { compatible = "arm,armv8-timer"; interrupt-parent = <&gic>; -- 1.9.1