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Wed, 27 Apr 2022 21:04:15 -0400 (EDT) From: Samuel Holland To: Joerg Roedel , Will Deacon , iommu@lists.linux-foundation.org Cc: Heiko Stuebner , Palmer Dabbelt , linux-riscv@lists.infradead.org, Samuel Holland , Chen-Yu Tsai , Jernej Skrabec , Krzysztof Kozlowski , Maxime Ripard , Philipp Zabel , Rob Herring , 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 Message-Id: <20220428010401.11323-2-samuel@sholland.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220428010401.11323-1-samuel@sholland.org> References: <20220428010401.11323-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220427_180420_785841_7CB9F79C X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.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 --- .../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