From: Guodong Xu <guodong.xu@linaro.org>
To: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com,
dan.j.williams@intel.com, xuwei5@hisilicon.com,
catalin.marinas@arm.com, will.deacon@arm.com
Cc: liyu65@hisilicon.com, suzhuangluan@hisilicon.com,
xuhongtao8@hisilicon.com, zhongkaihua@huawei.com,
xuezhiliang@hisilicon.com, xupeng7@huawei.com,
sunliang10@huawei.com, fengbaopeng@hisilicon.com,
dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Guodong Xu <guodong.xu@linaro.org>
Subject: [PATCH v2 1/4] dt-bindings: k3dma: add optional property hisilicon,dma-min-chan
Date: Fri, 6 Jul 2018 11:55:18 +0800 [thread overview]
Message-ID: <20180706035521.13736-2-guodong.xu@linaro.org> (raw)
In-Reply-To: <20180706035521.13736-1-guodong.xu@linaro.org>
From: Li Yu <liyu65@hisilicon.com>
Add optional property hisilicon,dma-min-chan for k3dma.
Signed-off-by: Li Yu <liyu65@hisilicon.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
---
Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt
index 4945aeac4dc4..f34202a80f3c 100644
--- a/Documentation/devicetree/bindings/dma/k3dma.txt
+++ b/Documentation/devicetree/bindings/dma/k3dma.txt
@@ -12,6 +12,11 @@ Required properties:
have specific request line
- clocks: clock required
+Optional properties:
+- hisilicon,dma-min-chan: the minimum DMA channel number which is usable
+ Default value is 0, but in some platform it is
+ configured 1, like in hi3660 platform
+
Example:
Controller:
@@ -21,6 +26,7 @@ Controller:
#dma-cells = <1>;
dma-channels = <16>;
dma-requests = <27>;
+ hisilicon,dma-min-chan = <1>;
interrupts = <0 12 4>;
clocks = <&pclk>;
};
--
2.17.1
next prev parent reply other threads:[~2018-07-06 3:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-06 3:55 [PATCH v2 0/4] k3dma: add support to reserved channels Guodong Xu
2018-07-06 3:55 ` Guodong Xu [this message]
2018-07-09 10:34 ` [PATCH v2 1/4] dt-bindings: k3dma: add optional property hisilicon,dma-min-chan Vinod
2018-07-11 16:09 ` Rob Herring
2018-07-06 3:55 ` [PATCH v2 2/4] k3dma: add support to reserved minimum channels Guodong Xu
2018-07-06 3:55 ` [PATCH v2 3/4] arm64: dts: hi3660: update property name hisilicon,dma-min-chan Guodong Xu
2018-07-06 3:55 ` [PATCH v2 4/4] k3dma: delete axi_config Guodong Xu
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