From mboxrd@z Thu Jan 1 00:00:00 1970 From: rsahu@apm.com (Rameshwar Prasad Sahu) Date: Wed, 7 Jan 2015 16:39:40 +0530 Subject: [PATCH v2 2/3] arm64: dts: Add APM X-Gene DMA device and DMA clock DTS nodes In-Reply-To: <1420628981-22774-1-git-send-email-rsahu@apm.com> References: <1420628981-22774-1-git-send-email-rsahu@apm.com> Message-ID: <1420628981-22774-3-git-send-email-rsahu@apm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds the device tree node for APM X-Gene SoC DMA controller and DMA clock. Signed-off-by: Rameshwar Prasad Sahu Signed-off-by: Loc Ho --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index f1ad9c2..95b30c2 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -352,6 +352,15 @@ reg-names = "csr-reg"; clock-output-names = "pcie4clk"; }; + + dmaclk: dmaclk at 1f27c000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f27c000 0x0 0x1000>; + reg-names = "csr-reg"; + clock-output-names = "dmaclk"; + }; }; pcie0: pcie at 1f2b0000 { @@ -656,5 +665,21 @@ interrupts = <0x0 0x41 0x4>; clocks = <&rngpkaclk 0>; }; + + dma: dma at 1f270000 { + compatible = "apm,xgene-dma"; + device_type = "dma"; + reg = <0x0 0x1f270000 0x0 0x10000>, + <0x0 0x1f200000 0x0 0x10000>, + <0x0 0x1b008000 0x0 0x2000>; + reg-names = "dma_csr", "ring_csr", "ring_cmd"; + interrupts = <0x0 0x82 0x4>, + <0x0 0xb8 0x4>, + <0x0 0xb9 0x4>, + <0x0 0xba 0x4>, + <0x0 0xbb 0x4>; + dma-coherent; + clocks = <&dmaclk 0>; + }; }; }; -- 1.8.2.1