linux-kernel - [PATCH v1 1/2] dt-bindings: dma: mediatek: mark useless items as decrepted

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Date:   Fri, 17 Jul 2020 11:02:03 +0800
From:   Huihui Wang <huihui.wang@...iatek.com>
To:     Sean Wang <sean.wang@...iatek.com>, Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <wsd_upstream@...iatek.com>, huihui wang <huihui.wang@...iatek.com>
Subject: [PATCH v1 1/2] dt-bindings: dma: mediatek: mark useless items as decrepted

From: huihui wang <huihui.wang@...iatek.com>

Because we move dma address bits config to mtk-uart-apdma.c,
it is unnecessary to be configured in device tree.
Update the document at the same time.

Signed-off-by: huihui wang <huihui.wang@...iatek.com>
---
 .../devicetree/bindings/dma/mtk-uart-apdma.txt        | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt
index 2117db0ce4f2..926c86b21e8c 100644
--- a/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt
+++ b/Documentation/devicetree/bindings/dma/mtk-uart-apdma.txt
@@ -2,8 +2,9 @@
 
 Required properties:
 - compatible should contain:
-  * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA
-  * "mediatek,mt6577-uart-dma" for MT6577 and all of the above
+  * "mediatek,mt2712-uart-dma" for MediaTek MT2712
+  * "mediatek,mt6577-uart-dma" for MediaTek MT6577
+  * "mediatek,mt6779-uart-dma" for MediaTek MT6779
 
 - reg: The base address of the APDMA register bank.
 
@@ -16,13 +17,12 @@ Required properties:
   See ../clocks/clock-bindings.txt for details.
 - clock-names: The APDMA clock for register accesses
 
-- mediatek,dma-33bits: Present if the DMA requires support
+- mediatek,dma-33bits: Present if the DMA requires support (deprecated)
 
 Examples:
 
 	apdma: dma-controller@...00400 {
-		compatible = "mediatek,mt2712-uart-dma",
-			     "mediatek,mt6577-uart-dma";
+		compatible = "mediatek,mt6779-uart-dma";
 		reg = <0 0x11000400 0 0x80>,
 		      <0 0x11000480 0 0x80>,
 		      <0 0x11000500 0 0x80>,
@@ -50,6 +50,5 @@ Examples:
 		dma-requests = <12>;
 		clocks = <&pericfg CLK_PERI_AP_DMA>;
 		clock-names = "apdma";
-		mediatek,dma-33bits;
 		#dma-cells = <1>;
 	};
-- 
2.18.0