[PATCH 13/25] ARM: dts: rockchip: Add DMAC node for RV1106
Vladislav Leonov <[email protected]>
| Newsgroups | org.kernel.vger.linux-clk,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Rockchip RV1106 has a single ARM PL330 DMA controller with 8 channels, shared by the peripherals. Add the dmac node with its 8 event interrupts plus the abort interrupt. The controller needs arm,pl330-periph-burst to use burst transfers for peripheral requests, as on the other Rockchip PL330 platforms. Signed-off-by: Vladislav Leonov <[email protected]> --- arch/arm/boot/dts/rockchip/rv1106.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/rockchip/rv1106.dtsi b/arch/arm/boot/dts/rockchip/rv1106.dtsi index 43d992e3e2d6..4abc333ab370 100644 --- a/arch/arm/boot/dts/rockchip/rv1106.dtsi +++ b/arch/arm/boot/dts/rockchip/rv1106.dtsi @@ -235,6 +235,24 @@ u2phy_otg: otg-port { }; }; + dmac: dma-controller@ff420000 { + compatible = "arm,pl330", "arm,primecell"; + reg = <0xff420000 0x4000>; + interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>; + #dma-cells = <1>; + clocks = <&cru ACLK_DMAC>; + clock-names = "apb_pclk"; + arm,pl330-periph-burst; + }; + i2c2: i2c@ff450000 { compatible = "rockchip,rv1106-i2c", "rockchip,rk3399-i2c"; reg = <0xff450000 0x1000>; -- 2.47.3