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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com
Cc: devicetree@vger.kernel.org, jsarha@ti.com,
	dri-devel@lists.freedesktop.org
Subject: [PATCH v3 2/3] dt-bindings: arm: omap: dmm: Document new compatible for DRA7xx family
Date: Tue, 10 Apr 2018 14:33:00 +0300	[thread overview]
Message-ID: <20180410113301.18984-3-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <20180410113301.18984-1-peter.ujfalusi@ti.com>

From: Tomi Valkeinen <tomi.valkeinen@ti.com>

Define unique compatible string for the DMM in DRA7xx family.

The new compatible can be used to apply DRA7xx specific workarounds for
ERRATAs, like i878 (MPU Lockup with concurrent DMM and EMIF accesses)

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 Documentation/devicetree/bindings/arm/omap/dmm.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/omap/dmm.txt b/Documentation/devicetree/bindings/arm/omap/dmm.txt
index 8bd6d0a238a8..bbbe7cdba30c 100644
--- a/Documentation/devicetree/bindings/arm/omap/dmm.txt
+++ b/Documentation/devicetree/bindings/arm/omap/dmm.txt
@@ -8,7 +8,8 @@ translation for initiators which need contiguous dma bus addresses.
 
 Required properties:
 - compatible:	Should contain "ti,omap4-dmm" for OMAP4 family
-		Should contain "ti,omap5-dmm" for OMAP5 and DRA7x family
+		Should contain "ti,omap5-dmm" for OMAP5 family
+		Should contain "ti,dra7-dmm" for DRA7xx family
 - reg:		Contains DMM register address range (base address and length)
 - interrupts:	Should contain an interrupt-specifier for DMM_IRQ.
 - ti,hwmods:	Name of the hwmod associated to DMM, which is typically "dmm"
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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  parent reply	other threads:[~2018-04-10 11:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-10 11:32 [PATCH v3 0/3] drm/omap: Workaround for errata i878 Peter Ujfalusi
2018-04-10 11:32 ` [PATCH v3 1/3] drm/omap: dmm_tiler: No need to check if irq is valid in omap_dmm_remove Peter Ujfalusi
2018-04-10 11:33 ` Peter Ujfalusi [this message]
2018-05-23  9:56   ` [PATCH v3 2/3] dt-bindings: arm: omap: dmm: Document new compatible for DRA7xx family Tomi Valkeinen
2018-04-10 11:33 ` [PATCH v3 3/3] drm/omap: partial workaround for DRA7xx DMM errata i878 Peter Ujfalusi

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