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Groups > linux.kernel > #1457656
| From | Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/2] imx53.dtsi : Add DMA configuration for UART |
| Date | 2016-08-08 11:30 +0200 |
| Message-ID | <s3P2G-7YV-47@gated-at.bofh.it> (permalink) |
| References | <s3g4V-1Yq-29@gated-at.bofh.it> <s3P2G-7YV-49@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
In order to use sdma with UART, we need to add DMA configuration in device tree. Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> --- arch/arm/boot/dts/imx53.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index cd17037..c1bc97c 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -217,6 +217,8 @@ clocks = <&clks IMX5_CLK_UART3_IPG_GATE>, <&clks IMX5_CLK_UART3_PER_GATE>; clock-names = "ipg", "per"; + dmas = <&sdma 42 4 0>, <&sdma 43 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -498,6 +500,8 @@ clocks = <&clks IMX5_CLK_UART1_IPG_GATE>, <&clks IMX5_CLK_UART1_PER_GATE>; clock-names = "ipg", "per"; + dmas = <&sdma 18 4 0>, <&sdma 19 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -508,6 +512,8 @@ clocks = <&clks IMX5_CLK_UART2_IPG_GATE>, <&clks IMX5_CLK_UART2_PER_GATE>; clock-names = "ipg", "per"; + dmas = <&sdma 12 4 0>, <&sdma 13 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -591,6 +597,8 @@ clocks = <&clks IMX5_CLK_UART4_IPG_GATE>, <&clks IMX5_CLK_UART4_PER_GATE>; clock-names = "ipg", "per"; + dmas = <&sdma 2 4 0>, <&sdma 3 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; }; @@ -621,6 +629,8 @@ clocks = <&clks IMX5_CLK_UART5_IPG_GATE>, <&clks IMX5_CLK_UART5_PER_GATE>; clock-names = "ipg", "per"; + dmas = <&sdma 16 4 0>, <&sdma 17 4 0>; + dma-names = "rx", "tx"; status = "disabled"; }; -- 2.7.4
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Re: [PATCH 2/2] imx53.dtsi : Add DMA configuration for UART Fabio Estevam <festevam@gmail.com> - 2016-08-03 16:30 +0200
[PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> - 2016-08-04 12:30 +0200
Re: [PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART Alexander Shiyan <shc_work@mail.ru> - 2016-08-04 13:30 +0200
Re: [PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART Fabio Estevam <festevam@gmail.com> - 2016-08-06 22:10 +0200
[PATCH 2/2] imx53.dtsi : Add DMA configuration for UART Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> - 2016-08-08 11:30 +0200
[PATCH 1/2] Allowing UART DMA to be configured on i.MX53 Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> - 2016-08-08 11:40 +0200
Re: [PATCH v2 2/2] imx53.dtsi : Add DMA configuration for UART Shawn Guo <shawnguo@kernel.org> - 2016-08-09 15:40 +0200
[PATCH v2 1/2] Allowing UART DMA to be configured on i.MX53 Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> - 2016-08-04 12:40 +0200
[PATCH 1/1] imx53.dtsi: Add IPU nodes for csi Fabien Lahoudere <fabien.lahoudere@collabora.co.uk> - 2016-08-04 16:00 +0200
Re: [PATCH 1/1] imx53.dtsi: Add IPU nodes for csi Philipp Zabel <p.zabel@pengutronix.de> - 2016-08-05 11:40 +0200
Re: [PATCH 1/1] imx53.dtsi: Add IPU nodes for csi Shawn Guo <shawnguo@kernel.org> - 2016-08-09 15:40 +0200
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