From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Thu, 18 Apr 2013 11:12:08 +0100 Subject: [PATCH 26/32] ARM: ux500: Supply UART's DMA configuration via Device Tree In-Reply-To: <1366279934-30761-1-git-send-email-lee.jones@linaro.org> References: <1366279934-30761-1-git-send-email-lee.jones@linaro.org> Message-ID: <1366279934-30761-27-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When requesting a channel, a DMA client needs to pass some pieces of information such as; request channel, device type, channel type and direction etc. Normally we do this in the form of platform data, but when DT is enabled we need to pass it using the driver's bindings instead. Signed-off-by: Lee Jones --- arch/arm/boot/dts/dbx5x0.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi index e2fa20f..bd0fe5f 100644 --- a/arch/arm/boot/dts/dbx5x0.dtsi +++ b/arch/arm/boot/dts/dbx5x0.dtsi @@ -569,18 +569,35 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x80120000 0x1000>; interrupts = <0 11 0x4>; + + dmas = <&dma 0 13 0x8>, /* Logical - DevToMem */ + <&dma 0 13 0x4>; /* Logical - MemToDev */ + dma-names = "rx", "tx"; + status = "disabled"; }; + uart at 80121000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80121000 0x1000>; interrupts = <0 19 0x4>; + + dmas = <&dma 0 12 0x8>, /* Logical - DevToMem */ + <&dma 0 12 0x4>; /* Logical - MemToDev */ + dma-names = "rx", "tx"; + status = "disabled"; }; + uart at 80007000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80007000 0x1000>; interrupts = <0 26 0x4>; + + dmas = <&dma 0 11 0x8>, /* Logical - DevToMem */ + <&dma 0 11 0x4>; /* Logical - MemToDev */ + dma-names = "rx", "tx"; + status = "disabled"; }; -- 1.7.10.4