From 2f5a913eb59496e37c64449dfdcd66b0bef90630 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Fri, 15 Nov 2013 12:22:53 -0700 Subject: [PATCH] ARM: tegra: add APB DMA controller to Tegra124 DT Instantiate the APB DMA controller in the Tegra124 DT, and add all DMA-related properties to other DT nodes that rely on (reference) the DMA controller's node. Signed-off-by: Stephen Warren Reviewed-by: Thierry Reding --- arch/arm/boot/dts/tegra124.dtsi | 51 +++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 4ed6a3a8e2de..9a8b5b8d8397 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -56,6 +56,47 @@ interrupt-controller; }; + apbdma: dma@60020000 { + compatible = "nvidia,tegra124-apbdma", "nvidia,tegra148-apbdma"; + reg = <0x60020000 0x1400>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + clocks = <&tegra_car TEGRA124_CLK_APBDMA>; + resets = <&tegra_car 34>; + reset-names = "dma"; + #dma-cells = <1>; + }; + /* * There are two serial driver i.e. 8250 based simple serial * driver and APB DMA based serial driver for higher baudrate @@ -72,6 +113,8 @@ clocks = <&tegra_car TEGRA124_CLK_UARTA>; resets = <&tegra_car 6>; reset-names = "serial"; + dmas = <&apbdma 8>, <&apbdma 8>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -83,6 +126,8 @@ clocks = <&tegra_car TEGRA124_CLK_UARTB>; resets = <&tegra_car 7>; reset-names = "serial"; + dmas = <&apbdma 9>, <&apbdma 9>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -94,6 +139,8 @@ clocks = <&tegra_car TEGRA124_CLK_UARTC>; resets = <&tegra_car 55>; reset-names = "serial"; + dmas = <&apbdma 10>, <&apbdma 10>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -105,6 +152,8 @@ clocks = <&tegra_car TEGRA124_CLK_UARTD>; resets = <&tegra_car 65>; reset-names = "serial"; + dmas = <&apbdma 19>, <&apbdma 19>; + dma-names = "rx", "tx"; status = "disabled"; }; @@ -116,6 +165,8 @@ clocks = <&tegra_car TEGRA124_CLK_UARTE>; resets = <&tegra_car 66>; reset-names = "serial"; + dmas = <&apbdma 20>, <&apbdma 20>; + dma-names = "rx", "tx"; status = "disabled"; }; -- 2.39.5