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| author | Baolin Wang <baolin.wang@linaro.org> | 2018-02-28 13:47:09 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2018-03-07 17:27:19 +0300 |
| commit | 258e1ae63ce693e381281eb65a096d108e163aa7 (patch) | |
| tree | 57dbce46a59f698145f6e8128d07029aefea5e5e /arch/arm64/boot/dts/sprd | |
| parent | 4f681369b98636c0563b4f106f7dd5312af7ebe2 (diff) | |
| download | linux-258e1ae63ce693e381281eb65a096d108e163aa7.tar.xz | |
arm64: dts: Add DMA device node for Spreadtrum SC9860
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 <baolin.wang@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm64/boot/dts/sprd')
| -rw-r--r-- | arch/arm64/boot/dts/sprd/whale2.dtsi | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/sprd/whale2.dtsi b/arch/arm64/boot/dts/sprd/whale2.dtsi index f2cdf4df036b..66a881e6da92 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 { |