From 3a0830de58342914aca8f517a84b82476be98f26 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Thu, 9 Apr 2015 12:35:54 +0300 Subject: [PATCH] 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 Signed-off-by: Tony Lindgren --- 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 8f1e25bcecbd..c6474dba44cf 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -308,6 +308,15 @@ dma-requests = <127>; }; + sdma_xbar: dma-router@4a002b78 { + compatible = "ti,dra7-dma-crossbar"; + reg = <0x4a002b78 0xfc>; + #dma-cells = <1>; + dma-requests = <205>; + ti,dma-safe-map = <0>; + dma-masters = <&sdma>; + }; + gpio1: gpio@4ae10000 { compatible = "ti,omap4-gpio"; reg = <0x4ae10000 0x200>; @@ -403,7 +412,7 @@ ti,hwmods = "uart1"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 49>, <&sdma 50>; + dmas = <&sdma_xbar 49>, <&sdma_xbar 50>; dma-names = "tx", "rx"; }; @@ -414,7 +423,7 @@ ti,hwmods = "uart2"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 51>, <&sdma 52>; + dmas = <&sdma_xbar 51>, <&sdma_xbar 52>; dma-names = "tx", "rx"; }; @@ -425,7 +434,7 @@ ti,hwmods = "uart3"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 53>, <&sdma 54>; + dmas = <&sdma_xbar 53>, <&sdma_xbar 54>; dma-names = "tx", "rx"; }; @@ -436,7 +445,7 @@ ti,hwmods = "uart4"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 55>, <&sdma 56>; + dmas = <&sdma_xbar 55>, <&sdma_xbar 56>; dma-names = "tx", "rx"; }; @@ -447,7 +456,7 @@ ti,hwmods = "uart5"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 63>, <&sdma 64>; + dmas = <&sdma_xbar 63>, <&sdma_xbar 64>; dma-names = "tx", "rx"; }; @@ -458,7 +467,7 @@ ti,hwmods = "uart6"; clock-frequency = <48000000>; status = "disabled"; - dmas = <&sdma 79>, <&sdma 80>; + dmas = <&sdma_xbar 79>, <&sdma_xbar 80>; dma-names = "tx", "rx"; }; @@ -867,7 +876,7 @@ 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>; @@ -879,7 +888,7 @@ interrupts = ; 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"; }; @@ -890,7 +899,7 @@ interrupts = ; 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"; }; @@ -901,7 +910,7 @@ interrupts = ; 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"; }; @@ -1046,14 +1055,14 @@ #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"; @@ -1067,10 +1076,10 @@ #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"; }; @@ -1083,7 +1092,7 @@ #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"; }; @@ -1096,7 +1105,7 @@ #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"; }; -- 2.34.1