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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: nsekhar@ti.com, joelf@ti.com
Cc: linux@arm.linux.org.uk, vinod.koul@intel.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	tony@atomide.com, bcousson@baylibre.com
Subject: [PATCH v2 3/5] dt/bindings: ti,edma: Remove redundant properties from documentation
Date: Tue, 13 May 2014 13:30:30 +0300	[thread overview]
Message-ID: <1399977032-26469-4-git-send-email-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <1399977032-26469-1-git-send-email-peter.ujfalusi@ti.com>

>From CCCFG register of eDMA3 we can get all the needed information for the
driver about the IP:
Number of channels: NUM_DMACH
Number of regions: NUM_REGN
Number of slots (PaRAM sets): NUM_PAENTRY
Number of TC/EQ: NUM_EVQUE

The ti,edma-regions; ti,edma-slots and dma-channels in DT are
redundant since the very same information can be obtained from the HW.
The mentioned properties can be removed from the binding document.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 Documentation/devicetree/bindings/dma/ti-edma.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
index 9fbbdb783a72..cf8d0a2d5b33 100644
--- a/Documentation/devicetree/bindings/dma/ti-edma.txt
+++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
@@ -2,11 +2,8 @@ TI EDMA
 
 Required properties:
 - compatible : "ti,edma3"
-- ti,edma-regions: Number of regions
-- ti,edma-slots: Number of slots
 - #dma-cells: Should be set to <1>
               Clients should use a single channel number per DMA request.
-- dma-channels: Specify total DMA channels per CC
 - reg: Memory map for accessing module
 - interrupt-parent: Interrupt controller the interrupt is routed through
 - interrupts: Exactly 3 interrupts need to be specified in the order:
@@ -26,9 +23,6 @@ edma: edma@49000000 {
 	compatible = "ti,edma3";
 	ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
 	#dma-cells = <1>;
-	dma-channels = <64>;
-	ti,edma-regions = <4>;
-	ti,edma-slots = <256>;
 	ti,edma-xbar-event-map = <1 12
 				  2 13>;
 };
-- 
1.9.3

  parent reply	other threads:[~2014-05-13 10:30 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13 10:30 [PATCH v2 0/5] ARM/DT: edma: Get IP configuration from hardware Peter Ujfalusi
2014-05-13 10:30 ` [PATCH v2 1/5] ARM: edma: No need to clean the pdata in edma_of_parse_dt() Peter Ujfalusi
2014-05-13 10:30 ` [PATCH v2 2/5] ARM: edma: Get IP information from HW when booting with DT Peter Ujfalusi
     [not found]   ` <1399977032-26469-3-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org>
2014-05-15  8:53     ` Sekhar Nori
2014-05-15 12:30       ` Peter Ujfalusi
2014-05-15 12:48         ` Sekhar Nori
2014-05-16 17:31           ` Joel Fernandes
2014-05-13 10:30 ` Peter Ujfalusi [this message]
2014-05-15  8:01   ` [PATCH v2 3/5] dt/bindings: ti,edma: Remove redundant properties from documentation Arnd Bergmann
2014-05-15  8:18     ` Peter Ujfalusi
2014-05-15  9:00       ` Sekhar Nori
2014-05-13 10:30 ` [PATCH v2 4/5] ARM: dts: am33xx: Remove obsolete properties from edma node Peter Ujfalusi
2014-05-14 23:17   ` Tony Lindgren
2014-05-13 10:30 ` [PATCH v2 5/5] ARM: dts: am4372: " Peter Ujfalusi
2014-05-14 23:18   ` Tony Lindgren

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