[RESEND PATCH 6/7] arm64: dts: Add DMA device node for Spreadtrum SC9860
From: Baolin Wang <hidden>
Date: 2018-02-28 10:48:18
Also in:
linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The Spreadtrum SC9860 platform has two DMA controllers, one is located on the ap-ahb system, and another one is located on the agcp system. Signed-off-by: Baolin Wang <redacted> --- arch/arm64/boot/dts/sprd/whale2.dtsi | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi
index f2cdf4d..66a881e 100644
--- a/arch/arm64/boot/dts/sprd/whale2.dtsi
+++ b/arch/arm64/boot/dts/sprd/whale2.dtsi@@ -107,6 +107,23 @@ }; }; + ap-ahb { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + ap_dma: dma-controller@20100000 { + compatible = "sprd,sc9860-dma"; + reg = <0 0x20100000 0 0x4000>; + interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + #dma-cells = <1>; + #dma-channels = <32>; + clock-names = "enable"; + clocks = <&apahb_gate CLK_DMA_EB>; + }; + }; + aon { compatible = "simple-bus"; #address-cells = <2>;
@@ -151,6 +168,23 @@ clocks = <&aon_gate CLK_APCPU_WDG_EB>; }; }; + + agcp { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + agcp_dma: dma-controller@41580000 { + compatible = "sprd,sc9860-dma"; + reg = <0 0x41580000 0 0x4000>; + #dma-cells = <1>; + #dma-channels = <32>; + clock-names = "enable", "ashb_eb"; + clocks = <&agcp_gate CLK_AGCP_DMAAP_EB>, + <&agcp_gate CLK_AGCP_AP_ASHB_EB>; + }; + }; }; ext_32k: ext_32k {
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1.7.9.5