From: Jernej Skrabec <jernej.skrabec@siol.net> To: mripard@kernel.org, wens@csie.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, mchehab@kernel.org, hverkuil@xs4all.nl, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v3 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Wed, 16 Oct 2019 21:28:04 +0200 [thread overview] Message-ID: <20191016192807.1278987-4-jernej.skrabec@siol.net> (raw) In-Reply-To: <20191016192807.1278987-1-jernej.skrabec@siol.net> Both, H3 and H5, contain MBUS, which is the bus used by DMA devices to access system memory. MBUS controller is responsible for arbitration between channels based on set priority and can do some other things as well, like report bandwidth used. It also maps RAM region to different address than CPU. Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- arch/arm/boot/dts/sunxi-h3-h5.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index 107eeafad20a..66bee3bea633 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -109,6 +109,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; + dma-ranges; ranges; display_clocks: clock@1000000 { @@ -544,6 +545,14 @@ }; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun8i-h3-mbus"; + reg = <0x01c62000 0x1000>; + clocks = <&ccu 113>; + dma-ranges = <0x00000000 0x40000000 0xc0000000>; + #interconnect-cells = <1>; + }; + spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>; -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Jernej Skrabec <jernej.skrabec@siol.net> To: mripard@kernel.org, wens@csie.org Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, hverkuil@xs4all.nl, linux-sunxi@googlegroups.com, robh+dt@kernel.org, mchehab@kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Subject: [PATCH v3 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Date: Wed, 16 Oct 2019 21:28:04 +0200 [thread overview] Message-ID: <20191016192807.1278987-4-jernej.skrabec@siol.net> (raw) In-Reply-To: <20191016192807.1278987-1-jernej.skrabec@siol.net> Both, H3 and H5, contain MBUS, which is the bus used by DMA devices to access system memory. MBUS controller is responsible for arbitration between channels based on set priority and can do some other things as well, like report bandwidth used. It also maps RAM region to different address than CPU. Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- arch/arm/boot/dts/sunxi-h3-h5.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index 107eeafad20a..66bee3bea633 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -109,6 +109,7 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; + dma-ranges; ranges; display_clocks: clock@1000000 { @@ -544,6 +545,14 @@ }; }; + mbus: dram-controller@1c62000 { + compatible = "allwinner,sun8i-h3-mbus"; + reg = <0x01c62000 0x1000>; + clocks = <&ccu 113>; + dma-ranges = <0x00000000 0x40000000 0xc0000000>; + #interconnect-cells = <1>; + }; + spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>; -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-16 19:28 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-16 19:28 [PATCH v3 0/6] media: Introduce Allwinner H3 deinterlace driver Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec 2019-10-16 19:28 ` [PATCH v3 1/6] dt-bindings: bus: sunxi: Add H3 MBUS compatible Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec 2019-10-16 19:28 ` [PATCH v3 2/6] clk: sunxi-ng: h3: Export MBUS clock Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec [this message] 2019-10-16 19:28 ` [PATCH v3 3/6] ARM: dts: sunxi: h3/h5: Add MBUS controller node Jernej Skrabec 2019-10-16 19:28 ` [PATCH v3 4/6] dt-bindings: media: Add Allwinner H3 Deinterlace binding Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec 2019-10-16 19:28 ` [PATCH v3 5/6] media: sun4i: Add H3 deinterlace driver Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec 2019-10-17 7:51 ` Hans Verkuil 2019-10-17 7:51 ` Hans Verkuil 2019-10-17 16:50 ` Jernej Škrabec 2019-10-17 16:50 ` Jernej Škrabec 2019-10-17 9:28 ` Maxime Ripard 2019-10-17 9:28 ` Maxime Ripard 2019-10-17 16:54 ` Jernej Škrabec 2019-10-17 16:54 ` Jernej Škrabec 2019-10-16 19:28 ` [PATCH v3 6/6] dts: arm: sun8i: h3: Enable deinterlace unit Jernej Skrabec 2019-10-16 19:28 ` Jernej Skrabec
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20191016192807.1278987-4-jernej.skrabec@siol.net \ --to=jernej.skrabec@siol.net \ --cc=devicetree@vger.kernel.org \ --cc=hverkuil@xs4all.nl \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-media@vger.kernel.org \ --cc=linux-sunxi@googlegroups.com \ --cc=mark.rutland@arm.com \ --cc=mchehab@kernel.org \ --cc=mripard@kernel.org \ --cc=robh+dt@kernel.org \ --cc=wens@csie.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.