ARM Sunxi Platform Development
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From: Samuel Holland <samuel@sholland.org>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, Maxime Ripard <mripard@kernel.org>,
	Samuel Holland <samuel@sholland.org>
Subject: [PATCH v2 6/6] riscv: dts: allwinner: d1: Add the IOMMU node
Date: Mon,  2 Jan 2023 19:09:03 -0600	[thread overview]
Message-ID: <20230103010903.11181-7-samuel@sholland.org> (raw)
In-Reply-To: <20230103010903.11181-1-samuel@sholland.org>

D1 contains an IOMMU for its video-related hardware. Add the node, and
hook it up to the masters which are already described in the devicetree.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---

Changes in v2:
 - New patch for v2

 arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
index dff363a3c934..ade50f1e01a4 100644
--- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
@@ -138,6 +138,14 @@ ccu: clock-controller@2001000 {
 			#reset-cells = <1>;
 		};
 
+		iommu: iommu@2010000 {
+			compatible = "allwinner,sun20i-d1-iommu";
+			reg = <0x2010000 0x10000>;
+			interrupts = <SOC_PERIPHERAL_IRQ(64) IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_IOMMU>;
+			#iommu-cells = <1>;
+		};
+
 		dmic: dmic@2031000 {
 			compatible = "allwinner,sun20i-d1-dmic",
 				     "allwinner,sun50i-h6-dmic";
@@ -574,6 +582,7 @@ mixer0: mixer@5100000 {
 				 <&display_clocks CLK_MIXER0>;
 			clock-names = "bus", "mod";
 			resets = <&display_clocks RST_MIXER0>;
+			iommus = <&iommu 2>;
 
 			ports {
 				#address-cells = <1>;
@@ -596,6 +605,7 @@ mixer1: mixer@5200000 {
 				 <&display_clocks CLK_MIXER1>;
 			clock-names = "bus", "mod";
 			resets = <&display_clocks RST_MIXER1>;
+			iommus = <&iommu 2>;
 
 			ports {
 				#address-cells = <1>;
-- 
2.37.4


  parent reply	other threads:[~2023-01-03  1:09 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-03  1:08 [PATCH v2 0/6] iommu/sun50i: Allwinner D1 support Samuel Holland
2023-01-03  1:08 ` [PATCH v2 1/6] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1 Samuel Holland
2023-01-08 20:53   ` Rob Herring
2023-01-03  1:08 ` [PATCH v2 2/6] iommu/sun50i: Track masters attached to the domain Samuel Holland
2023-01-04 22:04   ` Jernej Škrabec
2023-01-03  1:09 ` [PATCH v2 3/6] iommu/sun50i: Keep the bypass register up to date Samuel Holland
2023-01-04 22:06   ` Jernej Škrabec
2023-01-03  1:09 ` [PATCH v2 4/6] iommu/sun50i: Support variants without an external reset Samuel Holland
2023-01-03  1:09 ` [PATCH v2 5/6] iommu/sun50i: Add support for the D1 variant Samuel Holland
2023-01-03  1:09 ` Samuel Holland [this message]
2023-01-04 22:07   ` [PATCH v2 6/6] riscv: dts: allwinner: d1: Add the IOMMU node Jernej Škrabec
2023-01-13 15:35   ` Joerg Roedel
2023-01-14 17:17     ` Samuel Holland
2023-01-20  9:18       ` Joerg Roedel
2023-01-20 15:11 ` [PATCH v2 0/6] iommu/sun50i: Allwinner D1 support Joerg Roedel
2023-02-03 10:21   ` Joerg Roedel
2023-02-04 14:49     ` Samuel Holland

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