linux-kernel - [PATCH] dt-bindings: mmc: brcm,iproc-sdhci: Allow "dma-coherent" and "iommus" properties

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Message-ID: <20251215212736.3321550-1-robh@kernel.org>
Date: Mon, 15 Dec 2025 15:27:36 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Ulf Hansson <ulf.hansson@...aro.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Saenz Julienne <nsaenz@...nel.org>
Cc: Ray Jui <ray.jui@...adcom.com>,
	Scott Branden <scott.branden@...adcom.com>,
	linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: mmc: brcm,iproc-sdhci: Allow "dma-coherent" and "iommus" properties

The Broadcom iProc SDHCI controller is DMA coherent and/or behind an IOMMU
on some Broadcom SoCs, so allow the dma-coherent and iommus properties.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
index 2f63f2cdeb71..65bb2f66f8cf 100644
--- a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
@@ -26,9 +26,14 @@ properties:
   reg:
     minItems: 1
 
+  dma-coherent: true
+
   interrupts:
     maxItems: 1
 
+  iommus:
+    maxItems: 1
+
   clocks:
     maxItems: 1
     description:
-- 
2.51.0