From: Frank Lee <frank@allwinnertech.com>
To: vkoul@kernel.org, robh+dt@kernel.org, mripard@kernel.org,
wens@csie.org, ulf.hansson@linaro.org, kishon@ti.com,
wim@linux-watchdog.org, linux@roeck-us.net,
dan.j.williams@intel.com, linus.walleij@linaro.org,
wsa+renesas@sang-engineering.com, dianders@chromium.org,
marex@denx.de, colin.king@canonical.com, rdunlap@infradead.org,
krzk@kernel.org, gregkh@linuxfoundation.org, megous@megous.com,
rikard.falkeborn@gmail.com, dmaengine@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
linux-watchdog@vger.kernel.org, linux-gpio@vger.kernel.org,
tiny.windzz@gmail.com
Cc: Yangtao Li <frank@allwinnertech.com>
Subject: [PATCH 06/19] arm64: allwinner: a100: Add device node for DMA controller
Date: Tue, 10 Nov 2020 12:05:40 +0800 [thread overview]
Message-ID: <20201110040553.1381-7-frank@allwinnertech.com> (raw)
In-Reply-To: <20201110040553.1381-1-frank@allwinnertech.com>
From: Yangtao Li <frank@allwinnertech.com>
The A100 SoC has a DMA controller that supports 8 DMA channels
to and from various peripherals.
Add a device node for it.
Signed-off-by: Yangtao Li <frank@allwinnertech.com>
---
arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index cc321c04f121..c34ed8045363 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -101,6 +101,18 @@ ccu: clock@3001000 {
#reset-cells = <1>;
};
+ dma: dma-controller@3002000 {
+ compatible = "allwinner,sun50i-a100-dma";
+ reg = <0x03002000 0x1000>;
+ interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
+ clock-names = "bus", "mbus";
+ dma-channels = <8>;
+ dma-requests = <51>;
+ resets = <&ccu RST_BUS_DMA>;
+ #dma-cells = <1>;
+ };
+
gic: interrupt-controller@3021000 {
compatible = "arm,gic-400";
reg = <0x03021000 0x1000>, <0x03022000 0x2000>,
--
2.28.0
next prev parent reply other threads:[~2020-11-10 4:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 4:05 [PATCH 00/19] Second step support for A100 Frank Lee
2020-11-10 4:05 ` [PATCH 01/19] pinctrl: sunxi: fix irq bank map for the Allwinner A100 pin controller Frank Lee
2020-11-10 4:05 ` [PATCH 02/19] pinctrl: sunxi: Mark the irq bank not found in sunxi_pinctrl_irq_handler() with WARN_ON Frank Lee
2020-11-10 4:05 ` [PATCH 03/19] pinctrl: sunxi: Always call chained_irq_{enter, exit} in sunxi_pinctrl_irq_handler Frank Lee
2020-11-10 4:05 ` [PATCH 04/19] dt-bindings: dma: allwinner,sun50i-a64-dma: Add A100 compatible Frank Lee
2020-11-10 4:05 ` [PATCH 05/19] dmaengine: sun6i: Add support for A100 DMA Frank Lee
2020-11-10 4:05 ` Frank Lee [this message]
2020-11-10 4:05 ` [PATCH 07/19] arm64: dts: allwinner: A100: Add PMU mode Frank Lee
2020-11-10 4:05 ` [PATCH 08/19] phy: sun4i-usb: remove enable_pmu_unk1 from sun50i_h6_cfg Frank Lee
2020-11-10 4:05 ` [PATCH 09/19] phy: allwinner: Convert to devm_platform_ioremap_* API Frank Lee
2020-11-10 6:00 ` [PATCH 00/19] Second step support for A100 Frank Lee
2020-11-10 8:43 ` Krzysztof Kozlowski
2020-11-10 8:51 ` Frank Lee
2020-11-10 12:48 ` Vinod Koul
2020-11-10 12:55 ` maxime
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