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Message-ID: <1427459213-14611-8-git-send-email-peter.ujfalusi@ti.com>
Date: Fri, 27 Mar 2015 14:26:53 +0200
From: Peter Ujfalusi <peter.ujfalusi@...com>
To: <vinod.koul@...el.com>, <tony@...mide.com>,
<linux@....linux.org.uk>
CC: <grant.likely@...aro.org>, <dmaengine@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <robh+dt@...nel.org>,
<nm@...com>
Subject: [PATCH v3 7/7] ARM: DTS: dra7x: Integrate sDMA crossbar
The sDMA requests are routed through the DMA crossbar and without the
crossbar only peripherals using DMA request 0-127 can be used.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
arch/arm/boot/dts/dra7.dtsi | 57 ++++++++++++++++++++++++++-------------------
1 file changed, 33 insertions(+), 24 deletions(-)
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 1b65d3396ff2..48167c990fe8 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -261,6 +261,15 @@
dma-requests = <127>;
};
+ sdma_xbar: dma-router@...02b78 {
+ compatible = "ti,dra7-dma-crossbar";
+ reg = <0x4a002b78 0xfc>;
+ #dma-cells = <1>;
+ dma-requests = <205>;
+ ti,dma-safe-map = <0>;
+ dma-device = <&sdma>;
+ };
+
gpio1: gpio@...10000 {
compatible = "ti,omap4-gpio";
reg = <0x4ae10000 0x200>;
@@ -356,7 +365,7 @@
ti,hwmods = "uart1";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 49>, <&sdma 50>;
+ dmas = <&sdma_xbar 49>, <&sdma_xbar 50>;
dma-names = "tx", "rx";
};
@@ -367,7 +376,7 @@
ti,hwmods = "uart2";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 51>, <&sdma 52>;
+ dmas = <&sdma_xbar 51>, <&sdma_xbar 52>;
dma-names = "tx", "rx";
};
@@ -378,7 +387,7 @@
ti,hwmods = "uart3";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 53>, <&sdma 54>;
+ dmas = <&sdma_xbar 53>, <&sdma_xbar 54>;
dma-names = "tx", "rx";
};
@@ -389,7 +398,7 @@
ti,hwmods = "uart4";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 55>, <&sdma 56>;
+ dmas = <&sdma_xbar 55>, <&sdma_xbar 56>;
dma-names = "tx", "rx";
};
@@ -400,7 +409,7 @@
ti,hwmods = "uart5";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 63>, <&sdma 64>;
+ dmas = <&sdma_xbar 63>, <&sdma_xbar 64>;
dma-names = "tx", "rx";
};
@@ -411,7 +420,7 @@
ti,hwmods = "uart6";
clock-frequency = <48000000>;
status = "disabled";
- dmas = <&sdma 79>, <&sdma 80>;
+ dmas = <&sdma_xbar 79>, <&sdma_xbar 80>;
dma-names = "tx", "rx";
};
@@ -820,7 +829,7 @@
ti,hwmods = "mmc1";
ti,dual-volt;
ti,needs-special-reset;
- dmas = <&sdma 61>, <&sdma 62>;
+ dmas = <&sdma_xbar 61>, <&sdma_xbar 62>;
dma-names = "tx", "rx";
status = "disabled";
pbias-supply = <&pbias_mmc_reg>;
@@ -832,7 +841,7 @@
interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
ti,hwmods = "mmc2";
ti,needs-special-reset;
- dmas = <&sdma 47>, <&sdma 48>;
+ dmas = <&sdma_xbar 47>, <&sdma_xbar 48>;
dma-names = "tx", "rx";
status = "disabled";
};
@@ -843,7 +852,7 @@
interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
ti,hwmods = "mmc3";
ti,needs-special-reset;
- dmas = <&sdma 77>, <&sdma 78>;
+ dmas = <&sdma_xbar 77>, <&sdma_xbar 78>;
dma-names = "tx", "rx";
status = "disabled";
};
@@ -854,7 +863,7 @@
interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
ti,hwmods = "mmc4";
ti,needs-special-reset;
- dmas = <&sdma 57>, <&sdma 58>;
+ dmas = <&sdma_xbar 57>, <&sdma_xbar 58>;
dma-names = "tx", "rx";
status = "disabled";
};
@@ -999,14 +1008,14 @@
#size-cells = <0>;
ti,hwmods = "mcspi1";
ti,spi-num-cs = <4>;
- dmas = <&sdma 35>,
- <&sdma 36>,
- <&sdma 37>,
- <&sdma 38>,
- <&sdma 39>,
- <&sdma 40>,
- <&sdma 41>,
- <&sdma 42>;
+ dmas = <&sdma_xbar 35>,
+ <&sdma_xbar 36>,
+ <&sdma_xbar 37>,
+ <&sdma_xbar 38>,
+ <&sdma_xbar 39>,
+ <&sdma_xbar 40>,
+ <&sdma_xbar 41>,
+ <&sdma_xbar 42>;
dma-names = "tx0", "rx0", "tx1", "rx1",
"tx2", "rx2", "tx3", "rx3";
status = "disabled";
@@ -1020,10 +1029,10 @@
#size-cells = <0>;
ti,hwmods = "mcspi2";
ti,spi-num-cs = <2>;
- dmas = <&sdma 43>,
- <&sdma 44>,
- <&sdma 45>,
- <&sdma 46>;
+ dmas = <&sdma_xbar 43>,
+ <&sdma_xbar 44>,
+ <&sdma_xbar 45>,
+ <&sdma_xbar 46>;
dma-names = "tx0", "rx0", "tx1", "rx1";
status = "disabled";
};
@@ -1036,7 +1045,7 @@
#size-cells = <0>;
ti,hwmods = "mcspi3";
ti,spi-num-cs = <2>;
- dmas = <&sdma 15>, <&sdma 16>;
+ dmas = <&sdma_xbar 15>, <&sdma_xbar 16>;
dma-names = "tx0", "rx0";
status = "disabled";
};
@@ -1049,7 +1058,7 @@
#size-cells = <0>;
ti,hwmods = "mcspi4";
ti,spi-num-cs = <1>;
- dmas = <&sdma 70>, <&sdma 71>;
+ dmas = <&sdma_xbar 70>, <&sdma_xbar 71>;
dma-names = "tx0", "rx0";
status = "disabled";
};
--
2.3.3
--
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