From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Kocialkowski Subject: [PATCH v5 21/22] ARM: dts: sun8i-a33: Add Video Engine and reserved memory nodes Date: Tue, 10 Jul 2018 10:01:13 +0200 Message-ID: <20180710080114.31469-22-paul.kocialkowski@bootlin.com> References: <20180710080114.31469-1-paul.kocialkowski@bootlin.com> Reply-To: paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20180710080114.31469-1-paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Paul Kocialkowski , Marco Franchi , Icenowy Zheng , Hans Verkuil , Keiichi Watanabe , Jonathan Corbet , Smitha T Murthy , Tom Saeger , Andrzej Hajda , "David S . Miller" , Greg Kroah-Hartman , Andrew Morton , Randy Dunlap , Arnd Bergmann , Geert Uytterhoeven , Laurent Pinchart , Jacob Chen List-Id: devicetree@vger.kernel.org This adds nodes for the Video Engine and the associated reserved memory for the A33. Up to 96 MiB of memory are dedicated to the CMA pool. The VPU can only map the first 256 MiB of DRAM, so the reserved memory pool has to be located in that area. Following Allwinner's decision in downstream software, the last 96 MiB of the first 256 MiB of RAM are reserved for this purpose. Signed-off-by: Paul Kocialkowski --- arch/arm/boot/dts/sun8i-a33.dtsi | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi index 8d278ee001e9..9485e0f5750c 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -181,6 +181,21 @@ reg = <0x40000000 0x80000000>; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* Address must be kept in the lower 256 MiBs of DRAM for VE. */ + cma_pool: cma@4a000000 { + compatible = "shared-dma-pool"; + size = <0x6000000>; + alloc-ranges = <0x4a000000 0x6000000>; + reusable; + linux,cma-default; + }; + }; + sound: sound { compatible = "simple-audio-card"; simple-audio-card,name = "sun8i-a33-audio"; @@ -245,6 +260,20 @@ }; }; + vpu: video-codec@01c0e000 { + compatible = "allwinner,sun8i-a33-video-engine"; + reg = <0x01c0e000 0x1000>; + + clocks = <&ccu CLK_BUS_VE>, <&ccu CLK_VE>, + <&ccu CLK_DRAM_VE>; + clock-names = "ahb", "mod", "ram"; + + resets = <&ccu RST_BUS_VE>; + + interrupts = ; + allwinner,sram = <&ve_sram 1>; + }; + crypto: crypto-engine@1c15000 { compatible = "allwinner,sun4i-a10-crypto"; reg = <0x01c15000 0x1000>; -- 2.17.1