| Message ID | 20230103010903.11181-2-samuel@sholland.org |
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| State | New |
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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 1/6] dt-bindings: iommu: sun50i: Add compatible for
Allwinner D1
Date: Mon, 2 Jan 2023 19:08:58 -0600
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| Series |
iommu/sun50i: Allwinner D1 support
|
|
Commit Message
Samuel Holland
Jan. 3, 2023, 1:08 a.m. UTC
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>
---
Changes in v2:
- Disallow the 'resets' property for the D1 variant
.../iommu/allwinner,sun50i-h6-iommu.yaml | 20 +++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
Comments
On Mon, 02 Jan 2023 19:08:58 -0600, Samuel Holland wrote: > 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> > --- > > Changes in v2: > - Disallow the 'resets' property for the D1 variant > > .../iommu/allwinner,sun50i-h6-iommu.yaml | 20 +++++++++++++++++-- > 1 file changed, 18 insertions(+), 2 deletions(-) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml index e20016f12017..5aeea10cf899 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 +39,21 @@ required: - reg - interrupts - clocks - - resets + +if: + properties: + compatible: + contains: + enum: + - allwinner,sun50i-h6-iommu + +then: + required: + - resets + +else: + properties: + resets: false additionalProperties: false