From: Samuel Holland <samuel@sholland.org>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
iommu@lists.linux-foundation.org
Cc: Heiko Stuebner <heiko@sntech.de>,
Palmer Dabbelt <palmer@dabbelt.com>,
linux-riscv@lists.infradead.org,
Samuel Holland <samuel@sholland.org>,
Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Maxime Ripard <mripard@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev
Subject: [PATCH 1/5] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1
Date: Wed, 27 Apr 2022 20:03:56 -0500 [thread overview]
Message-ID: <20220428010401.11323-2-samuel@sholland.org> (raw)
In-Reply-To: <20220428010401.11323-1-samuel@sholland.org>
D1 contains an IOMMU similar to the one in the H6 SoC, but the D1
variant has no external reset signal.
Signed-off-by: Samuel Holland <samuel@sholland.org>
---
.../iommu/allwinner,sun50i-h6-iommu.yaml | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
index 5e125cf2a88b..18d3451d4dd5 100644
--- a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
@@ -17,7 +17,9 @@ properties:
The content of the cell is the master ID.
compatible:
- const: allwinner,sun50i-h6-iommu
+ enum:
+ - allwinner,sun20i-d1-iommu
+ - allwinner,sun50i-h6-iommu
reg:
maxItems: 1
@@ -37,7 +39,17 @@ required:
- reg
- interrupts
- clocks
- - resets
+
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - allwinner,sun50i-h6-iommu
+
+then:
+ required:
+ - resets
additionalProperties: false
--
2.35.1
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next prev parent reply other threads:[~2022-04-28 1:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 1:03 [PATCH 0/5] iommu/sun50i: Allwinner D1 support Samuel Holland
2022-04-28 1:03 ` Samuel Holland [this message]
2022-04-28 7:19 ` [PATCH 1/5] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1 Krzysztof Kozlowski
2022-04-28 1:03 ` [PATCH 2/5] iommu/sun50i: Support variants without an external reset Samuel Holland
2022-04-28 5:34 ` Jernej Škrabec
2022-04-28 7:43 ` Philipp Zabel
2022-04-28 1:03 ` [PATCH 3/5] iommu/sun50i: Ensure bypass is disabled Samuel Holland
2022-04-28 5:43 ` Jernej Škrabec
2022-04-28 1:03 ` [PATCH 4/5] iommu/sun50i: Add support for the D1 variant Samuel Holland
2022-04-28 5:34 ` Jernej Škrabec
2022-04-28 1:04 ` [PATCH 5/5] iommu/sun50i: Ensure the IOMMU can be used for DMA Samuel Holland
2022-04-28 5:35 ` Jernej Škrabec
2022-04-28 11:12 ` Robin Murphy
2022-04-28 5:45 ` [PATCH 0/5] iommu/sun50i: Allwinner D1 support Jernej Škrabec
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