This is a set of patches from Lee Jones to start converting

the ux500 to fetch DMA channels from the device tree: - Full DT support and channel mapping in the DMA40 driver - Dropping of platform data for migrated devices on the DT boot path. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAABAgAGBQJRnms9AAoJEEEQszewGV1zvAMP/R96pExEBjlf+o61FvPafFpw myZtprUXJvkHphOY+UVHk/gv+1EUFbNwcQzu5k3Ah14DOmv7qtjusylMDbJoFPar dDVU8PtsT+4qmCzgLRd+ATkZEBMOAaJFscD7UV1qtY0AIpz8jS1gJpOO08qqQBg1 unEj7szVEfs1eCrcDnvfMmeBM7gqZMTFkWmGkpuNqH5MdN3HLMKgAFJEc+GafP4d saaX3fCdiif5OYkD9DyQO7I4zsSaAs8OcpYbQKyRmWhm/wuLGPDoFsfBjOXGgFRr V/XwJD74lNgGduC8bCRsgj4LDEdRDO0s1NlqRWpiX/W1GX2lo4wraLdPmd16AaTQ LUb34o10sN4/0mJnbweWxmFPyzGNfw/Kl+ea4gA0vOQ9QDtTIrtnjHOtowGAdhBJ lDob3vAd5huCU287p8me+nc6Y4eJaJS0LjcsU1yy7U4O9mLsZnubPaVPiQu2gUGe GUKYd5J40aslxRuyP/MCA0bnCBhjyH62YfN9omw0Cmt/VQvyKXFF4JWdQuS/Dn3s 29JQfOWCf8xGYwZaQYSzluczP+wokfWnx8wrQ7c1Kb9G2NcDlv6f2/mbDRG9pmXV 2xs8v/fxONDfSCrPVCiBiHH4sYtcbD6UMjiTB76etygOmb3oeSK/Aqx0Sm90MG6Q xL9gkP14kNTaZBGCDNLN =RTiI -----END PGP SIGNATURE----- Merge tag 'ux500-dma40-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers From Linus Walleij: This is a set of patches from Lee Jones to start converting the ux500 to fetch DMA channels from the device tree: - Full DT support and channel mapping in the DMA40 driver - Dropping of platform data for migrated devices on the DT boot path. * tag 'ux500-dma40-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (36 commits) ARM: ux500: Register Cryp and Hash platform drivers on Snowball crypto: ux500/[cryp|hash] - Show successful start-up in the bootlog ARM: ux500: Stop passing Cryp DMA channel config information though pdata crypto: ux500/cryp - Set DMA configuration though dma_slave_config() crypto: ux500/cryp - Prepare clock before enabling it ARM: ux500: Stop passing Hash DMA channel config information though pdata crypto: ux500/hash - Set DMA configuration though dma_slave_config() crypto: ux500/hash - Prepare clock before enabling it ARM: ux500: Remove unnecessary attributes from DMA channel request pdata dmaengine: ste_dma40: Correct copy/paste error ARM: ux500: Remove DMA address look-up table dmaengine: ste_dma40: Remove redundant address fetching function dmaengine: ste_dma40: Only use addresses passed as configuration information ARM: ux500: Stop passing UART's platform data for Device Tree boots dmaengine: ste_dma40: Don't configure runtime configurable setup during allocate dmaengine: ste_dma40: Remove unnecessary call to d40_phy_cfg() dmaengine: ste_dma40: Separate Logical Global Interrupt Mask (GIM) unmasking ARM: ux500: Pass remnant platform data though to DMA40 driver dmaengine: ste_dma40: Supply full Device Tree parsing support dmaengine: ste_dma40: Allow driver to be probe()able when DT is enabled ... Signed-off-by: Olof Johansson <olof@lixom.net>
2024-08-26 10:49:33 +00:00 · 2013-05-27 20:09:53 -07:00 · 2013-05-27 20:09:53 -07:00 · 6f39ef575d
commit 6f39ef575d
parent e4aa937ec7 95e4bf9852
17 changed files with 498 additions and 660 deletions
--- a/Documentation/devicetree/bindings/dma/ste-dma40.txt
+++ b/Documentation/devicetree/bindings/dma/ste-dma40.txt
@ -0,0 +1,62 @@
+* DMA40 DMA Controller
+
+Required properties:
+- compatible: "stericsson,dma40"
+- reg: Address range of the DMAC registers
+- reg-names: Names of the above areas to use during resource look-up
+- interrupt: Should contain the DMAC interrupt number
+- #dma-cells: must be <3>
+
+Optional properties:
+- dma-channels: Number of channels supported by hardware - if not present
+		the driver will attempt to obtain the information from H/W
+
+Example:
+
+	dma: dma-controller@801C0000 {
+		compatible = "stericsson,db8500-dma40", "stericsson,dma40";
+		reg = <0x801C0000 0x1000  0x40010000 0x800>;
+		reg-names = "base", "lcpa";
+		interrupt-parent = <&intc>;
+		interrupts = <0 25 0x4>;
+
+		#dma-cells = <2>;
+		dma-channels = <8>;
+	};
+
+Clients
+Required properties:
+- dmas: Comma separated list of dma channel requests
+- dma-names: Names of the aforementioned requested channels
+
+Each dmas request consists of 4 cells:
+  1. A phandle pointing to the DMA controller
+  2. Device Type
+  3. The DMA request line number (only when 'use fixed channel' is set)
+  4. A 32bit mask specifying; mode, direction and endianess [NB: This list will grow]
+        0x00000001: Mode:
+                Logical channel when unset
+                Physical channel when set
+        0x00000002: Direction:
+                Memory to Device when unset
+                Device to Memory when set
+        0x00000004: Endianess:
+                Little endian when unset
+                Big endian when set
+        0x00000008: Use fixed channel:
+                Use automatic channel selection when unset
+                Use DMA request line number when set
+
+Example:
+
+	uart@80120000 {
+		compatible = "arm,pl011", "arm,primecell";
+		reg = <0x80120000 0x1000>;
+		interrupts = <0 11 0x4>;
+
+		dmas = <&dma 13 0 0x2>, /* Logical - DevToMem */
+		       <&dma 13 0 0x0>; /* Logical - MemToDev */
+		dma-names = "rx", "rx";
+
+		status = "disabled";
+	};
--- a/arch/arm/mach-ux500/board-mop500-audio.c
+++ b/arch/arm/mach-ux500/board-mop500-audio.c
@ -22,27 +22,13 @@
 static struct stedma40_chan_cfg msp0_dma_rx = {
 	.high_priority = true,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-
-	.src_dev_type = DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
-	.src_info.psize = STEDMA40_PSIZE_LOG_4,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
-	/* data_width is set during configuration */
+	.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
 };

 static struct stedma40_chan_cfg msp0_dma_tx = {
 	.high_priority = true,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-
-	.src_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX,
-
-	.src_info.psize = STEDMA40_PSIZE_LOG_4,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
-	/* data_width is set during configuration */
+	.dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
 };

 struct msp_i2s_platform_data msp0_platform_data = {
@ -54,27 +40,13 @@ struct msp_i2s_platform_data msp0_platform_data = {
 static struct stedma40_chan_cfg msp1_dma_rx = {
 	.high_priority = true,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-
-	.src_dev_type = DB8500_DMA_DEV30_MSP3_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
-	.src_info.psize = STEDMA40_PSIZE_LOG_4,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
-	/* data_width is set during configuration */
+	.dev_type = DB8500_DMA_DEV30_MSP3,
 };

 static struct stedma40_chan_cfg msp1_dma_tx = {
 	.high_priority = true,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-
-	.src_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV30_MSP1_TX,
-
-	.src_info.psize = STEDMA40_PSIZE_LOG_4,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
-	/* data_width is set during configuration */
+	.dev_type = DB8500_DMA_DEV30_MSP1,
 };

 struct msp_i2s_platform_data msp1_platform_data = {
@ -86,31 +58,15 @@ struct msp_i2s_platform_data msp1_platform_data = {
 static struct stedma40_chan_cfg msp2_dma_rx = {
 	.high_priority = true,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-
-	.src_dev_type = DB8500_DMA_DEV14_MSP2_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
-	/* MSP2 DMA doesn't work with PSIZE == 4 on DB8500v2 */
-	.src_info.psize = STEDMA40_PSIZE_LOG_1,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
-
-	/* data_width is set during configuration */
+	.dev_type = DB8500_DMA_DEV14_MSP2,
 };

 static struct stedma40_chan_cfg msp2_dma_tx = {
 	.high_priority = true,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-
-	.src_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV14_MSP2_TX,
-
-	.src_info.psize = STEDMA40_PSIZE_LOG_4,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
+	.dev_type = DB8500_DMA_DEV14_MSP2,
 	.use_fixed_channel = true,
 	.phy_channel = 1,
-
-	/* data_width is set during configuration */
 };

 static struct platform_device *db8500_add_msp_i2s(struct device *parent,
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@ -35,19 +35,13 @@
 struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type = DB8500_DMA_DEV29_SD_MM0_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV29_SD_MM0,
 };

 static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV29_SD_MM0_TX,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV29_SD_MM0,
 };
 #endif

@ -88,19 +82,13 @@ void mop500_sdi_tc35892_init(struct device *parent)
 static struct stedma40_chan_cfg sdi1_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type = DB8500_DMA_DEV32_SD_MM1_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV32_SD_MM1,
 };

 static struct stedma40_chan_cfg sdi1_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV32_SD_MM1_TX,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV32_SD_MM1,
 };
 #endif

@ -125,19 +113,13 @@ struct mmci_platform_data mop500_sdi1_data = {
 struct stedma40_chan_cfg mop500_sdi2_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV28_SD_MM2_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type =  DB8500_DMA_DEV28_SD_MM2,
 };

 static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV28_SD_MM2_TX,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV28_SD_MM2,
 };
 #endif

@ -163,19 +145,13 @@ struct mmci_platform_data mop500_sdi2_data = {
 struct stedma40_chan_cfg mop500_sdi4_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV42_SD_MM4_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type =  DB8500_DMA_DEV42_SD_MM4,
 };

 static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV42_SD_MM4_TX,
-	.src_info.data_width = STEDMA40_WORD_WIDTH,
-	.dst_info.data_width = STEDMA40_WORD_WIDTH,
+	.dev_type = DB8500_DMA_DEV42_SD_MM4,
 };
 #endif

--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@ -425,35 +425,20 @@ void mop500_snowball_ethernet_clock_enable(void)
 static struct cryp_platform_data u8500_cryp1_platform_data = {
 		.mem_to_engine = {
 				.dir = STEDMA40_MEM_TO_PERIPH,
-				.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-				.dst_dev_type = DB8500_DMA_DEV48_CAC1_TX,
-				.src_info.data_width = STEDMA40_WORD_WIDTH,
-				.dst_info.data_width = STEDMA40_WORD_WIDTH,
+				.dev_type = DB8500_DMA_DEV48_CAC1,
 				.mode = STEDMA40_MODE_LOGICAL,
-				.src_info.psize = STEDMA40_PSIZE_LOG_4,
-				.dst_info.psize = STEDMA40_PSIZE_LOG_4,
 		},
 		.engine_to_mem = {
 				.dir = STEDMA40_PERIPH_TO_MEM,
-				.src_dev_type = DB8500_DMA_DEV48_CAC1_RX,
-				.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-				.src_info.data_width = STEDMA40_WORD_WIDTH,
-				.dst_info.data_width = STEDMA40_WORD_WIDTH,
+				.dev_type = DB8500_DMA_DEV48_CAC1,
 				.mode = STEDMA40_MODE_LOGICAL,
-				.src_info.psize = STEDMA40_PSIZE_LOG_4,
-				.dst_info.psize = STEDMA40_PSIZE_LOG_4,
 		}
 };

 static struct stedma40_chan_cfg u8500_hash_dma_cfg_tx = {
 		.dir = STEDMA40_MEM_TO_PERIPH,
-		.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-		.dst_dev_type = DB8500_DMA_DEV50_HAC1_TX,
-		.src_info.data_width = STEDMA40_WORD_WIDTH,
-		.dst_info.data_width = STEDMA40_WORD_WIDTH,
+		.dev_type = DB8500_DMA_DEV50_HAC1_TX,
 		.mode = STEDMA40_MODE_LOGICAL,
-		.src_info.psize = STEDMA40_PSIZE_LOG_16,
-		.dst_info.psize = STEDMA40_PSIZE_LOG_16,
 };

 static struct hash_platform_data u8500_hash1_platform_data = {
@ -471,19 +456,13 @@ static struct platform_device *mop500_platform_devs[] __initdata = {
 static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV8_SSP0_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV8_SSP0,
 };

 static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV8_SSP0,
 };
 #endif

@ -512,55 +491,37 @@ static void __init mop500_spi_init(struct device *parent)
 static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV13_UART0_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV13_UART0,
 };

 static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV13_UART0,
 };

 static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV12_UART1_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV12_UART1,
 };

 static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV12_UART1,
 };

 static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_PERIPH_TO_MEM,
-	.src_dev_type =  DB8500_DMA_DEV11_UART2_RX,
-	.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV11_UART2,
 };

 static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
 	.mode = STEDMA40_MODE_LOGICAL,
 	.dir = STEDMA40_MEM_TO_PERIPH,
-	.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
-	.dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dev_type = DB8500_DMA_DEV11_UART2,
 };
 #endif

@ -676,6 +637,8 @@ static void __init snowball_init_machine(void)

 	mop500_snowball_ethernet_clock_enable();

+	u8500_cryp1_hash1_init(parent);
+
 	/* This board has full regulator constraints */
 	regulator_has_full_constraints();
 }
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@ -93,6 +93,7 @@ extern struct amba_pl011_data uart0_plat;
 extern struct amba_pl011_data uart1_plat;
 extern struct amba_pl011_data uart2_plat;
 extern struct pl022_ssp_controller ssp0_plat;
+extern struct stedma40_platform_data dma40_plat_data;

 extern void mop500_sdi_init(struct device *parent);
 extern void snowball_sdi_init(struct device *parent);
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@ -162,26 +162,15 @@ static void __init db8500_add_gpios(struct device *parent)
 	dbx500_add_pinctrl(parent, "pinctrl-db8500", U8500_PRCMU_BASE);
 }

-static int usb_db8500_rx_dma_cfg[] = {
-	DB8500_DMA_DEV38_USB_OTG_IEP_1_9,
-	DB8500_DMA_DEV37_USB_OTG_IEP_2_10,
-	DB8500_DMA_DEV36_USB_OTG_IEP_3_11,
-	DB8500_DMA_DEV19_USB_OTG_IEP_4_12,
-	DB8500_DMA_DEV18_USB_OTG_IEP_5_13,
-	DB8500_DMA_DEV17_USB_OTG_IEP_6_14,
-	DB8500_DMA_DEV16_USB_OTG_IEP_7_15,
-	DB8500_DMA_DEV39_USB_OTG_IEP_8
-};
-
-static int usb_db8500_tx_dma_cfg[] = {
-	DB8500_DMA_DEV38_USB_OTG_OEP_1_9,
-	DB8500_DMA_DEV37_USB_OTG_OEP_2_10,
-	DB8500_DMA_DEV36_USB_OTG_OEP_3_11,
-	DB8500_DMA_DEV19_USB_OTG_OEP_4_12,
-	DB8500_DMA_DEV18_USB_OTG_OEP_5_13,
-	DB8500_DMA_DEV17_USB_OTG_OEP_6_14,
-	DB8500_DMA_DEV16_USB_OTG_OEP_7_15,
-	DB8500_DMA_DEV39_USB_OTG_OEP_8
+static int usb_db8500_dma_cfg[] = {
+	DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9,
+	DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10,
+	DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11,
+	DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12,
+	DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13,
+	DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14,
+	DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15,
+	DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8
 };

 static const char *db8500_read_soc_id(void)
@ -215,7 +204,7 @@ struct device * __init u8500_init_devices(void)

 	db8500_add_rtc(parent);
 	db8500_add_gpios(parent);
-	db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
+	db8500_add_usb(parent, usb_db8500_dma_cfg, usb_db8500_dma_cfg);

 	for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
 		platform_devs[i]->dev.parent = parent;
@ -232,17 +221,7 @@ static struct device * __init u8500_of_init_devices(void)
 {
 	struct device *parent = db8500_soc_device_init();

-	db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
-
-	u8500_dma40_device.dev.parent = parent;
-
-	/*
-	 * Devices to be DT:ed:
-	 *   u8500_dma40_device  = todo
-	 *   db8500_pmu_device   = done
-	 *   db8500_prcmu_device = done
-	 */
-	platform_device_register(&u8500_dma40_device);
+	db8500_add_usb(parent, usb_db8500_dma_cfg, usb_db8500_dma_cfg);

 	return parent;
 }
@ -251,9 +230,9 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
 	/* Requires call-back bindings. */
 	OF_DEV_AUXDATA("arm,cortex-a9-pmu", 0, "arm-pmu", &db8500_pmu_platdata),
 	/* Requires DMA bindings. */
-	OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
-	OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
-	OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
+	OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", NULL),
+	OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", NULL),
+	OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", NULL),
 	OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
 	OF_DEV_AUXDATA("arm,pl18x", 0x80126000, "sdi0",  &mop500_sdi0_data),
 	OF_DEV_AUXDATA("arm,pl18x", 0x80118000, "sdi1",  &mop500_sdi1_data),
@ -289,6 +268,9 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
 		"ux500-msp-i2s.2", &msp2_platform_data),
 	OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80125000,
 		"ux500-msp-i2s.3", &msp3_platform_data),
+	/* Requires clock name bindings and channel address lookup table. */
+	OF_DEV_AUXDATA("stericsson,db8500-dma40", 0x801C0000,
+		       "dma40.0", &dma40_plat_data),
 	{},
 };

--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@ -42,128 +42,7 @@ static struct resource dma40_resources[] = {
 	}
 };

-/* Default configuration for physcial memcpy */
-struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
-	.mode = STEDMA40_MODE_PHYSICAL,
-	.dir = STEDMA40_MEM_TO_MEM,
-
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.src_info.psize = STEDMA40_PSIZE_PHY_1,
-	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.psize = STEDMA40_PSIZE_PHY_1,
-	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-};
-/* Default configuration for logical memcpy */
-struct stedma40_chan_cfg dma40_memcpy_conf_log = {
-	.dir = STEDMA40_MEM_TO_MEM,
-
-	.src_info.data_width = STEDMA40_BYTE_WIDTH,
-	.src_info.psize = STEDMA40_PSIZE_LOG_1,
-	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-
-	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
-	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
-	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-};
-
-/*
- * Mapping between destination event lines and physical device address.
- * The event line is tied to a device and therefore the address is constant.
- * When the address comes from a primecell it will be configured in runtime
- * and we set the address to -1 as a placeholder.
- */
-static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
-	/* MUSB - these will be runtime-reconfigured */
-	[DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1,
-	[DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1,
-	[DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1,
-	[DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1,
-	[DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1,
-	[DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1,
-	[DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1,
-	[DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1,
-	/* PrimeCells - run-time configured */
-	[DB8500_DMA_DEV0_SPI0_TX] = -1,
-	[DB8500_DMA_DEV1_SD_MMC0_TX] = -1,
-	[DB8500_DMA_DEV2_SD_MMC1_TX] = -1,
-	[DB8500_DMA_DEV3_SD_MMC2_TX] = -1,
-	[DB8500_DMA_DEV8_SSP0_TX] = -1,
-	[DB8500_DMA_DEV9_SSP1_TX] = -1,
-	[DB8500_DMA_DEV11_UART2_TX] = -1,
-	[DB8500_DMA_DEV12_UART1_TX] = -1,
-	[DB8500_DMA_DEV13_UART0_TX] = -1,
-	[DB8500_DMA_DEV28_SD_MM2_TX] = -1,
-	[DB8500_DMA_DEV29_SD_MM0_TX] = -1,
-	[DB8500_DMA_DEV32_SD_MM1_TX] = -1,
-	[DB8500_DMA_DEV33_SPI2_TX] = -1,
-	[DB8500_DMA_DEV35_SPI1_TX] = -1,
-	[DB8500_DMA_DEV40_SPI3_TX] = -1,
-	[DB8500_DMA_DEV41_SD_MM3_TX] = -1,
-	[DB8500_DMA_DEV42_SD_MM4_TX] = -1,
-	[DB8500_DMA_DEV43_SD_MM5_TX] = -1,
-	[DB8500_DMA_DEV14_MSP2_TX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV30_MSP1_TX] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV48_CAC1_TX] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
-	[DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
-};
-
-/* Mapping between source event lines and physical device address */
-static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
-	/* MUSB - these will be runtime-reconfigured */
-	[DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1,
-	[DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1,
-	[DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1,
-	[DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1,
-	[DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1,
-	[DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1,
-	[DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1,
-	[DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1,
-	/* PrimeCells */
-	[DB8500_DMA_DEV0_SPI0_RX] = -1,
-	[DB8500_DMA_DEV1_SD_MMC0_RX] = -1,
-	[DB8500_DMA_DEV2_SD_MMC1_RX] = -1,
-	[DB8500_DMA_DEV3_SD_MMC2_RX] = -1,
-	[DB8500_DMA_DEV8_SSP0_RX] = -1,
-	[DB8500_DMA_DEV9_SSP1_RX] = -1,
-	[DB8500_DMA_DEV11_UART2_RX] = -1,
-	[DB8500_DMA_DEV12_UART1_RX] = -1,
-	[DB8500_DMA_DEV13_UART0_RX] = -1,
-	[DB8500_DMA_DEV28_SD_MM2_RX] = -1,
-	[DB8500_DMA_DEV29_SD_MM0_RX] = -1,
-	[DB8500_DMA_DEV32_SD_MM1_RX] = -1,
-	[DB8500_DMA_DEV33_SPI2_RX] = -1,
-	[DB8500_DMA_DEV35_SPI1_RX] = -1,
-	[DB8500_DMA_DEV40_SPI3_RX] = -1,
-	[DB8500_DMA_DEV41_SD_MM3_RX] = -1,
-	[DB8500_DMA_DEV42_SD_MM4_RX] = -1,
-	[DB8500_DMA_DEV43_SD_MM5_RX] = -1,
-	[DB8500_DMA_DEV14_MSP2_RX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV30_MSP3_RX] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
-	[DB8500_DMA_DEV48_CAC1_RX] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
-};
-
-/* Reserved event lines for memcpy only */
-static int dma40_memcpy_event[] = {
-	DB8500_DMA_MEMCPY_TX_0,
-	DB8500_DMA_MEMCPY_TX_1,
-	DB8500_DMA_MEMCPY_TX_2,
-	DB8500_DMA_MEMCPY_TX_3,
-	DB8500_DMA_MEMCPY_TX_4,
-	DB8500_DMA_MEMCPY_TX_5,
-};
-
-static struct stedma40_platform_data dma40_plat_data = {
-	.dev_len = DB8500_DMA_NR_DEV,
-	.dev_rx = dma40_rx_map,
-	.dev_tx = dma40_tx_map,
-	.memcpy = dma40_memcpy_event,
-	.memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
-	.memcpy_conf_phy = &dma40_memcpy_conf_phy,
-	.memcpy_conf_log = &dma40_memcpy_conf_log,
+struct stedma40_platform_data dma40_plat_data = {
 	.disabled_channels = {-1},
 };

--- a/arch/arm/mach-ux500/ste-dma40-db8500.h
+++ b/arch/arm/mach-ux500/ste-dma40-db8500.h
@ -12,133 +12,74 @@

 #define DB8500_DMA_NR_DEV 64

-enum dma_src_dev_type {
-	DB8500_DMA_DEV0_SPI0_RX = 0,
-	DB8500_DMA_DEV1_SD_MMC0_RX = 1,
-	DB8500_DMA_DEV2_SD_MMC1_RX = 2,
-	DB8500_DMA_DEV3_SD_MMC2_RX = 3,
-	DB8500_DMA_DEV4_I2C1_RX = 4,
-	DB8500_DMA_DEV5_I2C3_RX = 5,
-	DB8500_DMA_DEV6_I2C2_RX = 6,
-	DB8500_DMA_DEV7_I2C4_RX = 7, /* Only on V1 and later */
-	DB8500_DMA_DEV8_SSP0_RX = 8,
-	DB8500_DMA_DEV9_SSP1_RX = 9,
-	DB8500_DMA_DEV10_MCDE_RX = 10,
-	DB8500_DMA_DEV11_UART2_RX = 11,
-	DB8500_DMA_DEV12_UART1_RX = 12,
-	DB8500_DMA_DEV13_UART0_RX = 13,
-	DB8500_DMA_DEV14_MSP2_RX = 14,
-	DB8500_DMA_DEV15_I2C0_RX = 15,
-	DB8500_DMA_DEV16_USB_OTG_IEP_7_15 = 16,
-	DB8500_DMA_DEV17_USB_OTG_IEP_6_14 = 17,
-	DB8500_DMA_DEV18_USB_OTG_IEP_5_13 = 18,
-	DB8500_DMA_DEV19_USB_OTG_IEP_4_12 = 19,
-	DB8500_DMA_DEV20_SLIM0_CH0_RX_HSI_RX_CH0 = 20,
-	DB8500_DMA_DEV21_SLIM0_CH1_RX_HSI_RX_CH1 = 21,
-	DB8500_DMA_DEV22_SLIM0_CH2_RX_HSI_RX_CH2 = 22,
-	DB8500_DMA_DEV23_SLIM0_CH3_RX_HSI_RX_CH3 = 23,
-	DB8500_DMA_DEV24_SRC_SXA0_RX_TX = 24,
-	DB8500_DMA_DEV25_SRC_SXA1_RX_TX = 25,
-	DB8500_DMA_DEV26_SRC_SXA2_RX_TX = 26,
-	DB8500_DMA_DEV27_SRC_SXA3_RX_TX = 27,
-	DB8500_DMA_DEV28_SD_MM2_RX = 28,
-	DB8500_DMA_DEV29_SD_MM0_RX = 29,
-	DB8500_DMA_DEV30_MSP1_RX = 30,
+/*
+ * Unless otherwise specified, all channels numbers are used for
+ * TX & RX, and can be used for either source or destination
+ * channels.
+ */
+enum dma_dev_type {
+	DB8500_DMA_DEV0_SPI0 = 0,
+	DB8500_DMA_DEV1_SD_MMC0 = 1,
+	DB8500_DMA_DEV2_SD_MMC1 = 2,
+	DB8500_DMA_DEV3_SD_MMC2 = 3,
+	DB8500_DMA_DEV4_I2C1 = 4,
+	DB8500_DMA_DEV5_I2C3 = 5,
+	DB8500_DMA_DEV6_I2C2 = 6,
+	DB8500_DMA_DEV7_I2C4 = 7,			/* Only on V1 and later */
+	DB8500_DMA_DEV8_SSP0 = 8,
+	DB8500_DMA_DEV9_SSP1 = 9,
+	DB8500_DMA_DEV10_MCDE_RX = 10,			/* RX only */
+	DB8500_DMA_DEV11_UART2 = 11,
+	DB8500_DMA_DEV12_UART1 = 12,
+	DB8500_DMA_DEV13_UART0 = 13,
+	DB8500_DMA_DEV14_MSP2 = 14,
+	DB8500_DMA_DEV15_I2C0 = 15,
+	DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15 = 16,
+	DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14 = 17,
+	DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13 = 18,
+	DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12 = 19,
+	DB8500_DMA_DEV20_SLIM0_CH0_HSI_CH0 = 20,
+	DB8500_DMA_DEV21_SLIM0_CH1_HSI_CH1 = 21,
+	DB8500_DMA_DEV22_SLIM0_CH2_HSI_CH2 = 22,
+	DB8500_DMA_DEV23_SLIM0_CH3_HSI_CH3 = 23,
+	DB8500_DMA_DEV24_SXA0 = 24,
+	DB8500_DMA_DEV25_SXA1 = 25,
+	DB8500_DMA_DEV26_SXA2 = 26,
+	DB8500_DMA_DEV27_SXA3 = 27,
+	DB8500_DMA_DEV28_SD_MM2 = 28,
+	DB8500_DMA_DEV29_SD_MM0 = 29,
+	DB8500_DMA_DEV30_MSP1 = 30,
 	/* On DB8500v2, MSP3 RX replaces MSP1 RX */
-	DB8500_DMA_DEV30_MSP3_RX = 30,
-	DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX = 31,
-	DB8500_DMA_DEV32_SD_MM1_RX = 32,
-	DB8500_DMA_DEV33_SPI2_RX = 33,
-	DB8500_DMA_DEV34_I2C3_RX2 = 34,
-	DB8500_DMA_DEV35_SPI1_RX = 35,
-	DB8500_DMA_DEV36_USB_OTG_IEP_3_11 = 36,
-	DB8500_DMA_DEV37_USB_OTG_IEP_2_10 = 37,
-	DB8500_DMA_DEV38_USB_OTG_IEP_1_9 = 38,
-	DB8500_DMA_DEV39_USB_OTG_IEP_8 = 39,
-	DB8500_DMA_DEV40_SPI3_RX = 40,
-	DB8500_DMA_DEV41_SD_MM3_RX = 41,
-	DB8500_DMA_DEV42_SD_MM4_RX = 42,
-	DB8500_DMA_DEV43_SD_MM5_RX = 43,
-	DB8500_DMA_DEV44_SRC_SXA4_RX_TX = 44,
-	DB8500_DMA_DEV45_SRC_SXA5_RX_TX = 45,
-	DB8500_DMA_DEV46_SLIM0_CH8_RX_SRC_SXA6_RX_TX = 46,
-	DB8500_DMA_DEV47_SLIM0_CH9_RX_SRC_SXA7_RX_TX = 47,
-	DB8500_DMA_DEV48_CAC1_RX = 48,
-	/* 49, 50 and 51 are not used */
-	DB8500_DMA_DEV52_SLIM0_CH4_RX_HSI_RX_CH4 = 52,
-	DB8500_DMA_DEV53_SLIM0_CH5_RX_HSI_RX_CH5 = 53,
-	DB8500_DMA_DEV54_SLIM0_CH6_RX_HSI_RX_CH6 = 54,
-	DB8500_DMA_DEV55_SLIM0_CH7_RX_HSI_RX_CH7 = 55,
-	/* 56, 57, 58, 59 and 60 are not used */
-	DB8500_DMA_DEV61_CAC0_RX = 61,
-	/* 62 and 63 are not used */
-};
-
-enum dma_dest_dev_type {
-	DB8500_DMA_DEV0_SPI0_TX = 0,
-	DB8500_DMA_DEV1_SD_MMC0_TX = 1,
-	DB8500_DMA_DEV2_SD_MMC1_TX = 2,
-	DB8500_DMA_DEV3_SD_MMC2_TX = 3,
-	DB8500_DMA_DEV4_I2C1_TX = 4,
-	DB8500_DMA_DEV5_I2C3_TX = 5,
-	DB8500_DMA_DEV6_I2C2_TX = 6,
-	DB8500_DMA_DEV7_I2C4_TX = 7, /* Only on V1 and later */
-	DB8500_DMA_DEV8_SSP0_TX = 8,
-	DB8500_DMA_DEV9_SSP1_TX = 9,
-	/* 10 is not used*/
-	DB8500_DMA_DEV11_UART2_TX = 11,
-	DB8500_DMA_DEV12_UART1_TX = 12,
-	DB8500_DMA_DEV13_UART0_TX = 13,
-	DB8500_DMA_DEV14_MSP2_TX = 14,
-	DB8500_DMA_DEV15_I2C0_TX = 15,
-	DB8500_DMA_DEV16_USB_OTG_OEP_7_15 = 16,
-	DB8500_DMA_DEV17_USB_OTG_OEP_6_14 = 17,
-	DB8500_DMA_DEV18_USB_OTG_OEP_5_13 = 18,
-	DB8500_DMA_DEV19_USB_OTG_OEP_4_12 = 19,
-	DB8500_DMA_DEV20_SLIM0_CH0_TX_HSI_TX_CH0 = 20,
-	DB8500_DMA_DEV21_SLIM0_CH1_TX_HSI_TX_CH1 = 21,
-	DB8500_DMA_DEV22_SLIM0_CH2_TX_HSI_TX_CH2 = 22,
-	DB8500_DMA_DEV23_SLIM0_CH3_TX_HSI_TX_CH3 = 23,
-	DB8500_DMA_DEV24_DST_SXA0_RX_TX = 24,
-	DB8500_DMA_DEV25_DST_SXA1_RX_TX = 25,
-	DB8500_DMA_DEV26_DST_SXA2_RX_TX = 26,
-	DB8500_DMA_DEV27_DST_SXA3_RX_TX = 27,
-	DB8500_DMA_DEV28_SD_MM2_TX = 28,
-	DB8500_DMA_DEV29_SD_MM0_TX = 29,
-	DB8500_DMA_DEV30_MSP1_TX = 30,
-	DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX = 31,
-	DB8500_DMA_DEV32_SD_MM1_TX = 32,
-	DB8500_DMA_DEV33_SPI2_TX = 33,
-	DB8500_DMA_DEV34_I2C3_TX2 = 34,
-	DB8500_DMA_DEV35_SPI1_TX = 35,
-	DB8500_DMA_DEV36_USB_OTG_OEP_3_11 = 36,
-	DB8500_DMA_DEV37_USB_OTG_OEP_2_10 = 37,
-	DB8500_DMA_DEV38_USB_OTG_OEP_1_9 = 38,
-	DB8500_DMA_DEV39_USB_OTG_OEP_8 = 39,
-	DB8500_DMA_DEV40_SPI3_TX = 40,
-	DB8500_DMA_DEV41_SD_MM3_TX = 41,
-	DB8500_DMA_DEV42_SD_MM4_TX = 42,
-	DB8500_DMA_DEV43_SD_MM5_TX = 43,
-	DB8500_DMA_DEV44_DST_SXA4_RX_TX = 44,
-	DB8500_DMA_DEV45_DST_SXA5_RX_TX = 45,
-	DB8500_DMA_DEV46_SLIM0_CH8_TX_DST_SXA6_RX_TX = 46,
-	DB8500_DMA_DEV47_SLIM0_CH9_TX_DST_SXA7_RX_TX = 47,
-	DB8500_DMA_DEV48_CAC1_TX  = 48,
-	DB8500_DMA_DEV49_CAC1_TX_HAC1_TX = 49,
-	DB8500_DMA_DEV50_HAC1_TX = 50,
-	DB8500_DMA_MEMCPY_TX_0 = 51,
-	DB8500_DMA_DEV52_SLIM1_CH4_TX_HSI_TX_CH4 = 52,
-	DB8500_DMA_DEV53_SLIM1_CH5_TX_HSI_TX_CH5 = 53,
-	DB8500_DMA_DEV54_SLIM1_CH6_TX_HSI_TX_CH6 = 54,
-	DB8500_DMA_DEV55_SLIM1_CH7_TX_HSI_TX_CH7 = 55,
-	DB8500_DMA_MEMCPY_TX_1 = 56,
-	DB8500_DMA_MEMCPY_TX_2 = 57,
-	DB8500_DMA_MEMCPY_TX_3 = 58,
-	DB8500_DMA_MEMCPY_TX_4 = 59,
-	DB8500_DMA_MEMCPY_TX_5 = 60,
-	DB8500_DMA_DEV61_CAC0_TX = 61,
-	DB8500_DMA_DEV62_CAC0_TX_HAC0_TX = 62,
-	DB8500_DMA_DEV63_HAC0_TX = 63,
+	DB8500_DMA_DEV30_MSP3 = 30,
+	DB8500_DMA_DEV31_MSP0_SLIM0_CH0 = 31,
+	DB8500_DMA_DEV32_SD_MM1 = 32,
+	DB8500_DMA_DEV33_SPI2 = 33,
+	DB8500_DMA_DEV34_I2C3_RX2_TX2 = 34,
+	DB8500_DMA_DEV35_SPI1 = 35,
+	DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11 = 36,
+	DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10 = 37,
+	DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9 = 38,
+	DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8 = 39,
+	DB8500_DMA_DEV40_SPI3 = 40,
+	DB8500_DMA_DEV41_SD_MM3 = 41,
+	DB8500_DMA_DEV42_SD_MM4 = 42,
+	DB8500_DMA_DEV43_SD_MM5 = 43,
+	DB8500_DMA_DEV44_SXA4 = 44,
+	DB8500_DMA_DEV45_SXA5 = 45,
+	DB8500_DMA_DEV46_SLIM0_CH8_SRC_SXA6 = 46,
+	DB8500_DMA_DEV47_SLIM0_CH9_SRC_SXA7 = 47,
+	DB8500_DMA_DEV48_CAC1 = 48,
+	DB8500_DMA_DEV49_CAC1_TX_HAC1_TX = 49,		/* TX only */
+	DB8500_DMA_DEV50_HAC1_TX = 50,			/* TX only */
+	DB8500_DMA_MEMCPY_TX_0 = 51,			/* TX only */
+	DB8500_DMA_DEV52_SLIM0_CH4_HSI_CH4 = 52,
+	DB8500_DMA_DEV53_SLIM0_CH5_HSI_CH5 = 53,
+	DB8500_DMA_DEV54_SLIM0_CH6_HSI_CH6 = 54,
+	DB8500_DMA_DEV55_SLIM0_CH7_HSI_CH7 = 55,
+	/* 56 -> 60 are channels reserved for memcpy only */
+	DB8500_DMA_DEV61_CAC0 = 61,
+	DB8500_DMA_DEV62_CAC0_TX_HAC0_TX = 62,		/* TX only */
+	DB8500_DMA_DEV63_HAC0_TX = 63,			/* TX only */
 };

 #endif
--- a/arch/arm/mach-ux500/usb.c
+++ b/arch/arm/mach-ux500/usb.c
@ -15,21 +15,11 @@
 #define MUSB_DMA40_RX_CH { \
 		.mode = STEDMA40_MODE_LOGICAL, \
 		.dir = STEDMA40_PERIPH_TO_MEM, \
-		.dst_dev_type = STEDMA40_DEV_DST_MEMORY, \
-		.src_info.data_width = STEDMA40_WORD_WIDTH, \
-		.dst_info.data_width = STEDMA40_WORD_WIDTH, \
-		.src_info.psize = STEDMA40_PSIZE_LOG_16, \
-		.dst_info.psize = STEDMA40_PSIZE_LOG_16, \
 	}

 #define MUSB_DMA40_TX_CH { \
 		.mode = STEDMA40_MODE_LOGICAL, \
 		.dir = STEDMA40_MEM_TO_PERIPH, \
-		.src_dev_type = STEDMA40_DEV_SRC_MEMORY, \
-		.src_info.data_width = STEDMA40_WORD_WIDTH, \
-		.dst_info.data_width = STEDMA40_WORD_WIDTH, \
-		.src_info.psize = STEDMA40_PSIZE_LOG_16, \
-		.dst_info.psize = STEDMA40_PSIZE_LOG_16, \
 	}

 static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_CHANNELS]
@ -125,20 +115,20 @@ struct platform_device ux500_musb_device = {
 	.resource = usb_resources,
 };

-static inline void ux500_usb_dma_update_rx_ch_config(int *src_dev_type)
+static inline void ux500_usb_dma_update_rx_ch_config(int *dev_type)
 {
 	u32 idx;

 	for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_CHANNELS; idx++)
-		musb_dma_rx_ch[idx].src_dev_type = src_dev_type[idx];
+		musb_dma_rx_ch[idx].dev_type = dev_type[idx];
 }

-static inline void ux500_usb_dma_update_tx_ch_config(int *dst_dev_type)
+static inline void ux500_usb_dma_update_tx_ch_config(int *dev_type)
 {
 	u32 idx;

 	for (idx = 0; idx < UX500_MUSB_DMA_NUM_TX_CHANNELS; idx++)
-		musb_dma_tx_ch[idx].dst_dev_type = dst_dev_type[idx];
+		musb_dma_tx_ch[idx].dev_type = dev_type[idx];
 }

 void ux500_add_usb(struct device *parent, resource_size_t base, int irq,
--- a/drivers/crypto/ux500/cryp/cryp.h
+++ b/drivers/crypto/ux500/cryp/cryp.h
@ -114,6 +114,9 @@ enum cryp_status_id {
 };

 /* Cryp DMA interface */
+#define CRYP_DMA_TX_FIFO	0x08
+#define CRYP_DMA_RX_FIFO	0x10
+
 enum cryp_dma_req_type {
 	CRYP_DMA_DISABLE_BOTH,
 	CRYP_DMA_ENABLE_IN_DATA,
@ -217,7 +220,8 @@ struct cryp_dma {

 /**
 * struct cryp_device_data - structure for a cryp device.
- * @base: Pointer to the hardware base address.
+ * @base: Pointer to virtual base address of the cryp device.
+ * @phybase: Pointer to physical memory location of the cryp device.
 * @dev: Pointer to the devices dev structure.
 * @clk: Pointer to the device's clock control.
 * @pwr_regulator: Pointer to the device's power control.
@ -232,6 +236,7 @@ struct cryp_dma {
 */
 struct cryp_device_data {
 	struct cryp_register __iomem *base;
+	phys_addr_t phybase;
 	struct device *dev;
 	struct clk *clk;
 	struct regulator *pwr_regulator;
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@ -475,6 +475,19 @@ static int cryp_get_device_data(struct cryp_ctx *ctx,
 static void cryp_dma_setup_channel(struct cryp_device_data *device_data,
 				   struct device *dev)
 {
+	struct dma_slave_config mem2cryp = {
+		.direction = DMA_MEM_TO_DEV,
+		.dst_addr = device_data->phybase + CRYP_DMA_TX_FIFO,
+		.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
+		.dst_maxburst = 4,
+        };
+	struct dma_slave_config cryp2mem = {
+		.direction = DMA_DEV_TO_MEM,
+		.src_addr = device_data->phybase + CRYP_DMA_RX_FIFO,
+		.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
+		.src_maxburst = 4,
+        };
+
 	dma_cap_zero(device_data->dma.mask);
 	dma_cap_set(DMA_SLAVE, device_data->dma.mask);

@ -490,6 +503,9 @@ static void cryp_dma_setup_channel(struct cryp_device_data *device_data,
 				    stedma40_filter,
 				    device_data->dma.cfg_cryp2mem);

+	dmaengine_slave_config(device_data->dma.chan_mem2cryp, &mem2cryp);
+	dmaengine_slave_config(device_data->dma.chan_cryp2mem, &cryp2mem);
+
 	init_completion(&device_data->dma.cryp_dma_complete);
 }

@ -1431,6 +1447,7 @@ static int ux500_cryp_probe(struct platform_device *pdev)
 		goto out_kfree;
 	}

+	device_data->phybase = res->start;
 	device_data->base = ioremap(res->start, resource_size(res));
 	if (!device_data->base) {
 		dev_err(dev, "[%s]: ioremap failed!", __func__);
@ -1458,11 +1475,17 @@ static int ux500_cryp_probe(struct platform_device *pdev)
 		goto out_regulator;
 	}

+	ret = clk_prepare(device_data->clk);
+	if (ret) {
+		dev_err(dev, "[%s]: clk_prepare() failed!", __func__);
+		goto out_clk;
+	}
+
 	/* Enable device power (and clock) */
 	ret = cryp_enable_power(device_data->dev, device_data, false);
 	if (ret) {
 		dev_err(dev, "[%s]: cryp_enable_power() failed!", __func__);
-		goto out_clk;
+		goto out_clk_unprepare;
 	}

 	cryp_error = cryp_check(device_data);
@ -1518,11 +1541,16 @@ static int ux500_cryp_probe(struct platform_device *pdev)
 		goto out_power;
 	}

+	dev_info(dev, "successfully registered\n");
+
 	return 0;

 out_power:
 	cryp_disable_power(device_data->dev, device_data, false);

+out_clk_unprepare:
+	clk_unprepare(device_data->clk);
+
 out_clk:
 	clk_put(device_data->clk);

@ -1593,6 +1621,7 @@ static int ux500_cryp_remove(struct platform_device *pdev)
 		dev_err(&pdev->dev, "[%s]: cryp_disable_power() failed",
 			__func__);

+	clk_unprepare(device_data->clk);
 	clk_put(device_data->clk);
 	regulator_put(device_data->pwr_regulator);

--- a/drivers/crypto/ux500/hash/hash_alg.h
+++ b/drivers/crypto/ux500/hash/hash_alg.h
@ -11,6 +11,7 @@
 #include <linux/bitops.h>

 #define HASH_BLOCK_SIZE			64
+#define HASH_DMA_FIFO			4
 #define HASH_DMA_ALIGN_SIZE		4
 #define HASH_DMA_PERFORMANCE_MIN_SIZE	1024
 #define HASH_BYTES_PER_WORD		4
@ -347,7 +348,8 @@ struct hash_req_ctx {

 /**
 * struct hash_device_data - structure for a hash device.
- * @base:		Pointer to the hardware base address.
+ * @base:		Pointer to virtual base address of the hash device.
+ * @phybase:		Pointer to physical memory location of the hash device.
 * @list_node:		For inclusion in klist.
 * @dev:		Pointer to the device dev structure.
 * @ctx_lock:		Spinlock for current_ctx.
@ -361,6 +363,7 @@ struct hash_req_ctx {
 */
 struct hash_device_data {
 	struct hash_register __iomem	*base;
+	phys_addr_t             phybase;
 	struct klist_node	list_node;
 	struct device		*dev;
 	struct spinlock		ctx_lock;
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@ -122,6 +122,13 @@ static void hash_dma_setup_channel(struct hash_device_data *device_data,
 				struct device *dev)
 {
 	struct hash_platform_data *platform_data = dev->platform_data;
+	struct dma_slave_config conf = {
+		.direction = DMA_MEM_TO_DEV,
+		.dst_addr = device_data->phybase + HASH_DMA_FIFO,
+		.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
+		.dst_maxburst = 16,
+        };
+
 	dma_cap_zero(device_data->dma.mask);
 	dma_cap_set(DMA_SLAVE, device_data->dma.mask);

@ -131,6 +138,8 @@ static void hash_dma_setup_channel(struct hash_device_data *device_data,
 				platform_data->dma_filter,
 				device_data->dma.cfg_mem2hash);

+	dmaengine_slave_config(device_data->dma.chan_mem2hash, &conf);
+
 	init_completion(&device_data->dma.complete);
 }

@ -1699,6 +1708,7 @@ static int ux500_hash_probe(struct platform_device *pdev)
 		goto out_kfree;
 	}

+	device_data->phybase = res->start;
 	device_data->base = ioremap(res->start, resource_size(res));
 	if (!device_data->base) {
 		dev_err(dev, "[%s] ioremap() failed!",
@ -1726,11 +1736,17 @@ static int ux500_hash_probe(struct platform_device *pdev)
 		goto out_regulator;
 	}

+	ret = clk_prepare(device_data->clk);
+	if (ret) {
+		dev_err(dev, "[%s] clk_prepare() failed!", __func__);
+		goto out_clk;
+	}
+
 	/* Enable device power (and clock) */
 	ret = hash_enable_power(device_data, false);
 	if (ret) {
 		dev_err(dev, "[%s]: hash_enable_power() failed!", __func__);
-		goto out_clk;
+		goto out_clk_unprepare;
 	}

 	ret = hash_check_hw(device_data);
@ -1756,12 +1772,15 @@ static int ux500_hash_probe(struct platform_device *pdev)
 		goto out_power;
 	}

-	dev_info(dev, "[%s] successfully probed\n", __func__);
+	dev_info(dev, "successfully registered\n");
 	return 0;

 out_power:
 	hash_disable_power(device_data, false);

+out_clk_unprepare:
+	clk_unprepare(device_data->clk);
+
 out_clk:
 	clk_put(device_data->clk);

@ -1826,6 +1845,7 @@ static int ux500_hash_remove(struct platform_device *pdev)
 		dev_err(dev, "[%s]: hash_disable_power() failed",
 			__func__);

+	clk_unprepare(device_data->clk);
 	clk_put(device_data->clk);
 	regulator_put(device_data->regulator);

--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@ -17,6 +17,8 @@
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_dma.h>
 #include <linux/amba/bus.h>
 #include <linux/regulator/consumer.h>
 #include <linux/platform_data/dma-ste-dma40.h>
@ -45,6 +47,9 @@
 #define D40_LCLA_LINK_PER_EVENT_GRP 128
 #define D40_LCLA_END D40_LCLA_LINK_PER_EVENT_GRP

+/* Max number of logical channels per physical channel */
+#define D40_MAX_LOG_CHAN_PER_PHY 32
+
 /* Attempts before giving up to trying to get pages that are aligned */
 #define MAX_LCLA_ALLOC_ATTEMPTS 256

@ -53,7 +58,50 @@
 #define D40_ALLOC_PHY		(1 << 30)
 #define D40_ALLOC_LOG_FREE	0

-#define MAX(a, b) (((a) < (b)) ? (b) : (a))
+/* Reserved event lines for memcpy only. */
+#define DB8500_DMA_MEMCPY_EV_0	51
+#define DB8500_DMA_MEMCPY_EV_1	56
+#define DB8500_DMA_MEMCPY_EV_2	57
+#define DB8500_DMA_MEMCPY_EV_3	58
+#define DB8500_DMA_MEMCPY_EV_4	59
+#define DB8500_DMA_MEMCPY_EV_5	60
+
+static int dma40_memcpy_channels[] = {
+	DB8500_DMA_MEMCPY_EV_0,
+	DB8500_DMA_MEMCPY_EV_1,
+	DB8500_DMA_MEMCPY_EV_2,
+	DB8500_DMA_MEMCPY_EV_3,
+	DB8500_DMA_MEMCPY_EV_4,
+	DB8500_DMA_MEMCPY_EV_5,
+};
+
+/* Default configuration for physcial memcpy */
+struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
+	.mode = STEDMA40_MODE_PHYSICAL,
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_PHY_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_PHY_1,
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+};
+
+/* Default configuration for logical memcpy */
+struct stedma40_chan_cfg dma40_memcpy_conf_log = {
+	.mode = STEDMA40_MODE_LOGICAL,
+	.dir = STEDMA40_MEM_TO_MEM,
+
+	.src_info.data_width = STEDMA40_BYTE_WIDTH,
+	.src_info.psize = STEDMA40_PSIZE_LOG_1,
+	.src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+
+	.dst_info.data_width = STEDMA40_BYTE_WIDTH,
+	.dst_info.psize = STEDMA40_PSIZE_LOG_1,
+	.dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
+};

 /**
 * enum 40_command - The different commands and/or statuses.
@ -171,6 +219,9 @@ static u32 d40_backup_regs_chan[] = {
 	D40_CHAN_REG_SDLNK,
 };

+#define BACKUP_REGS_SZ_MAX ((BACKUP_REGS_SZ_V4A > BACKUP_REGS_SZ_V4B) ? \
+			     BACKUP_REGS_SZ_V4A : BACKUP_REGS_SZ_V4B)
+
 /**
 * struct d40_interrupt_lookup - lookup table for interrupt handler
 *
@ -534,7 +585,7 @@ struct d40_base {
 	resource_size_t			  lcpa_size;
 	struct kmem_cache		 *desc_slab;
 	u32				  reg_val_backup[BACKUP_REGS_SZ];
-	u32				  reg_val_backup_v4[MAX(BACKUP_REGS_SZ_V4A, BACKUP_REGS_SZ_V4B)];
+	u32				  reg_val_backup_v4[BACKUP_REGS_SZ_MAX];
 	u32				 *reg_val_backup_chan;
 	u16				  gcc_pwr_off_mask;
 	bool				  initialized;
@ -1257,21 +1308,17 @@ static void __d40_config_set_event(struct d40_chan *d40c,
 static void d40_config_set_event(struct d40_chan *d40c,
 				 enum d40_events event_type)
 {
+	u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dev_type);
+
 	/* Enable event line connected to device (or memcpy) */
 	if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
-	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH)) {
-		u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
-
+	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
 		__d40_config_set_event(d40c, event_type, event,
 				       D40_CHAN_REG_SSLNK);
-	}
-
-	if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM) {
-		u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);

+	if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM)
 		__d40_config_set_event(d40c, event_type, event,
 				       D40_CHAN_REG_SDLNK);
-	}
 }

 static u32 d40_chan_has_events(struct d40_chan *d40c)
@ -1713,8 +1760,6 @@ static int d40_validate_conf(struct d40_chan *d40c,
 			     struct stedma40_chan_cfg *conf)
 {
 	int res = 0;
-	u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type);
-	u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type);
 	bool is_log = conf->mode == STEDMA40_MODE_LOGICAL;

 	if (!conf->dir) {
@ -1722,44 +1767,10 @@ static int d40_validate_conf(struct d40_chan *d40c,
 		res = -EINVAL;
 	}

-	if (conf->dst_dev_type != STEDMA40_DEV_DST_MEMORY &&
-	    d40c->base->plat_data->dev_tx[conf->dst_dev_type] == 0 &&
-	    d40c->runtime_addr == 0) {
-
-		chan_err(d40c, "Invalid TX channel address (%d)\n",
-			 conf->dst_dev_type);
-		res = -EINVAL;
-	}
-
-	if (conf->src_dev_type != STEDMA40_DEV_SRC_MEMORY &&
-	    d40c->base->plat_data->dev_rx[conf->src_dev_type] == 0 &&
-	    d40c->runtime_addr == 0) {
-		chan_err(d40c, "Invalid RX channel address (%d)\n",
-			conf->src_dev_type);
-		res = -EINVAL;
-	}
-
-	if (conf->dir == STEDMA40_MEM_TO_PERIPH &&
-	    dst_event_group == STEDMA40_DEV_DST_MEMORY) {
-		chan_err(d40c, "Invalid dst\n");
-		res = -EINVAL;
-	}
-
-	if (conf->dir == STEDMA40_PERIPH_TO_MEM &&
-	    src_event_group == STEDMA40_DEV_SRC_MEMORY) {
-		chan_err(d40c, "Invalid src\n");
-		res = -EINVAL;
-	}
-
-	if (src_event_group == STEDMA40_DEV_SRC_MEMORY &&
-	    dst_event_group == STEDMA40_DEV_DST_MEMORY && is_log) {
-		chan_err(d40c, "No event line\n");
-		res = -EINVAL;
-	}
-
-	if (conf->dir == STEDMA40_PERIPH_TO_PERIPH &&
-	    (src_event_group != dst_event_group)) {
-		chan_err(d40c, "Invalid event group\n");
+	if ((is_log && conf->dev_type > d40c->base->num_log_chans)  ||
+	    (!is_log && conf->dev_type > d40c->base->num_phy_chans) ||
+	    (conf->dev_type < 0)) {
+		chan_err(d40c, "Invalid device type (%d)\n", conf->dev_type);
 		res = -EINVAL;
 	}

@ -1880,7 +1891,7 @@ static bool d40_alloc_mask_free(struct d40_phy_res *phy, bool is_src,

 static int d40_allocate_channel(struct d40_chan *d40c, bool *first_phy_user)
 {
-	int dev_type;
+	int dev_type = d40c->dma_cfg.dev_type;
 	int event_group;
 	int event_line;
 	struct d40_phy_res *phys;
@ -1895,13 +1906,11 @@ static int d40_allocate_channel(struct d40_chan *d40c, bool *first_phy_user)
 	num_phy_chans = d40c->base->num_phy_chans;

 	if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
-		dev_type = d40c->dma_cfg.src_dev_type;
 		log_num = 2 * dev_type;
 		is_src = true;
 	} else if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
 		   d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
 		/* dst event lines are used for logical memcpy */
-		dev_type = d40c->dma_cfg.dst_dev_type;
 		log_num = 2 * dev_type + 1;
 		is_src = false;
 	} else
@ -2012,14 +2021,23 @@ static int d40_config_memcpy(struct d40_chan *d40c)
 	dma_cap_mask_t cap = d40c->chan.device->cap_mask;

 	if (dma_has_cap(DMA_MEMCPY, cap) && !dma_has_cap(DMA_SLAVE, cap)) {
-		d40c->dma_cfg = *d40c->base->plat_data->memcpy_conf_log;
-		d40c->dma_cfg.src_dev_type = STEDMA40_DEV_SRC_MEMORY;
-		d40c->dma_cfg.dst_dev_type = d40c->base->plat_data->
-			memcpy[d40c->chan.chan_id];
+		d40c->dma_cfg = dma40_memcpy_conf_log;
+		d40c->dma_cfg.dev_type = dma40_memcpy_channels[d40c->chan.chan_id];
+
+		d40_log_cfg(&d40c->dma_cfg,
+			    &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);

 	} else if (dma_has_cap(DMA_MEMCPY, cap) &&
 		   dma_has_cap(DMA_SLAVE, cap)) {
-		d40c->dma_cfg = *d40c->base->plat_data->memcpy_conf_phy;
+		d40c->dma_cfg = dma40_memcpy_conf_phy;
+
+		/* Generate interrrupt at end of transfer or relink. */
+		d40c->dst_def_cfg |= BIT(D40_SREG_CFG_TIM_POS);
+
+		/* Generate interrupt on error. */
+		d40c->src_def_cfg |= BIT(D40_SREG_CFG_EIM_POS);
+		d40c->dst_def_cfg |= BIT(D40_SREG_CFG_EIM_POS);
+
 	} else {
 		chan_err(d40c, "No memcpy\n");
 		return -EINVAL;
@ -2032,7 +2050,7 @@ static int d40_free_dma(struct d40_chan *d40c)
 {

 	int res = 0;
-	u32 event;
+	u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dev_type);
 	struct d40_phy_res *phy = d40c->phy_chan;
 	bool is_src;

@ -2051,13 +2069,11 @@ static int d40_free_dma(struct d40_chan *d40c)
 	}

 	if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
-	    d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
-		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
+	    d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM)
 		is_src = false;
-	} else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
-		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
+	else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
 		is_src = true;
-	} else {
+	else {
 		chan_err(d40c, "Unknown direction\n");
 		return -EINVAL;
 	}
@ -2098,7 +2114,7 @@ static bool d40_is_paused(struct d40_chan *d40c)
 	unsigned long flags;
 	void __iomem *active_reg;
 	u32 status;
-	u32 event;
+	u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dev_type);

 	spin_lock_irqsave(&d40c->lock, flags);

@ -2119,10 +2135,8 @@ static bool d40_is_paused(struct d40_chan *d40c)

 	if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
 	    d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
-		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
 		status = readl(chanbase + D40_CHAN_REG_SDLNK);
 	} else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
-		event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
 		status = readl(chanbase + D40_CHAN_REG_SSLNK);
 	} else {
 		chan_err(d40c, "Unknown direction\n");
@ -2253,24 +2267,6 @@ d40_prep_desc(struct d40_chan *chan, struct scatterlist *sg,
 	return NULL;
 }

-static dma_addr_t
-d40_get_dev_addr(struct d40_chan *chan, enum dma_transfer_direction direction)
-{
-	struct stedma40_platform_data *plat = chan->base->plat_data;
-	struct stedma40_chan_cfg *cfg = &chan->dma_cfg;
-	dma_addr_t addr = 0;
-
-	if (chan->runtime_addr)
-		return chan->runtime_addr;
-
-	if (direction == DMA_DEV_TO_MEM)
-		addr = plat->dev_rx[cfg->src_dev_type];
-	else if (direction == DMA_MEM_TO_DEV)
-		addr = plat->dev_tx[cfg->dst_dev_type];
-
-	return addr;
-}
-
 static struct dma_async_tx_descriptor *
 d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
 	    struct scatterlist *sg_dst, unsigned int sg_len,
@ -2297,14 +2293,10 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
 	if (sg_next(&sg_src[sg_len - 1]) == sg_src)
 		desc->cyclic = true;

-	if (direction != DMA_TRANS_NONE) {
-		dma_addr_t dev_addr = d40_get_dev_addr(chan, direction);
-
-		if (direction == DMA_DEV_TO_MEM)
-			src_dev_addr = dev_addr;
-		else if (direction == DMA_MEM_TO_DEV)
-			dst_dev_addr = dev_addr;
-	}
+	if (direction == DMA_DEV_TO_MEM)
+		src_dev_addr = chan->runtime_addr;
+	else if (direction == DMA_MEM_TO_DEV)
+		dst_dev_addr = chan->runtime_addr;

 	if (chan_is_logical(chan))
 		ret = d40_prep_sg_log(chan, desc, sg_src, sg_dst,
@ -2397,11 +2389,55 @@ static void d40_set_prio_realtime(struct d40_chan *d40c)

 	if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
 	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
-		__d40_set_prio_rt(d40c, d40c->dma_cfg.src_dev_type, true);
+		__d40_set_prio_rt(d40c, d40c->dma_cfg.dev_type, true);

 	if ((d40c->dma_cfg.dir ==  STEDMA40_MEM_TO_PERIPH) ||
 	    (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
-		__d40_set_prio_rt(d40c, d40c->dma_cfg.dst_dev_type, false);
+		__d40_set_prio_rt(d40c, d40c->dma_cfg.dev_type, false);
+}
+
+#define D40_DT_FLAGS_MODE(flags)       ((flags >> 0) & 0x1)
+#define D40_DT_FLAGS_DIR(flags)        ((flags >> 1) & 0x1)
+#define D40_DT_FLAGS_BIG_ENDIAN(flags) ((flags >> 2) & 0x1)
+#define D40_DT_FLAGS_FIXED_CHAN(flags) ((flags >> 3) & 0x1)
+
+static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec,
+				  struct of_dma *ofdma)
+{
+	struct stedma40_chan_cfg cfg;
+	dma_cap_mask_t cap;
+	u32 flags;
+
+	memset(&cfg, 0, sizeof(struct stedma40_chan_cfg));
+
+	dma_cap_zero(cap);
+	dma_cap_set(DMA_SLAVE, cap);
+
+	cfg.dev_type = dma_spec->args[0];
+	flags = dma_spec->args[2];
+
+	switch (D40_DT_FLAGS_MODE(flags)) {
+	case 0: cfg.mode = STEDMA40_MODE_LOGICAL; break;
+	case 1: cfg.mode = STEDMA40_MODE_PHYSICAL; break;
+	}
+
+	switch (D40_DT_FLAGS_DIR(flags)) {
+	case 0:
+		cfg.dir = STEDMA40_MEM_TO_PERIPH;
+		cfg.dst_info.big_endian = D40_DT_FLAGS_BIG_ENDIAN(flags);
+		break;
+	case 1:
+		cfg.dir = STEDMA40_PERIPH_TO_MEM;
+		cfg.src_info.big_endian = D40_DT_FLAGS_BIG_ENDIAN(flags);
+		break;
+	}
+
+	if (D40_DT_FLAGS_FIXED_CHAN(flags)) {
+		cfg.phy_channel = dma_spec->args[1];
+		cfg.use_fixed_channel = true;
+	}
+
+	return dma_request_channel(cap, stedma40_filter, &cfg);
 }

 /* DMA ENGINE functions */
@ -2433,23 +2469,21 @@ static int d40_alloc_chan_resources(struct dma_chan *chan)
 	}

 	pm_runtime_get_sync(d40c->base->dev);
-	/* Fill in basic CFG register values */
-	d40_phy_cfg(&d40c->dma_cfg, &d40c->src_def_cfg,
-		    &d40c->dst_def_cfg, chan_is_logical(d40c));

 	d40_set_prio_realtime(d40c);

 	if (chan_is_logical(d40c)) {
-		d40_log_cfg(&d40c->dma_cfg,
-			    &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);
-
 		if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
 			d40c->lcpa = d40c->base->lcpa_base +
-				d40c->dma_cfg.src_dev_type * D40_LCPA_CHAN_SIZE;
+				d40c->dma_cfg.dev_type * D40_LCPA_CHAN_SIZE;
 		else
 			d40c->lcpa = d40c->base->lcpa_base +
-				d40c->dma_cfg.dst_dev_type *
+				d40c->dma_cfg.dev_type *
 				D40_LCPA_CHAN_SIZE + D40_LCPA_CHAN_DST_DELTA;
+
+		/* Unmask the Global Interrupt Mask. */
+		d40c->src_def_cfg |= BIT(D40_SREG_CFG_LOG_GIM_POS);
+		d40c->dst_def_cfg |= BIT(D40_SREG_CFG_LOG_GIM_POS);
 	}

 	dev_dbg(chan2dev(d40c), "allocated %s channel (phy %d%s)\n",
@ -2710,15 +2744,8 @@ static int d40_set_runtime_config(struct dma_chan *chan,
 	dst_maxburst = config->dst_maxburst;

 	if (config->direction == DMA_DEV_TO_MEM) {
-		dma_addr_t dev_addr_rx =
-			d40c->base->plat_data->dev_rx[cfg->src_dev_type];
-
 		config_addr = config->src_addr;
-		if (dev_addr_rx)
-			dev_dbg(d40c->base->dev,
-				"channel has a pre-wired RX address %08x "
-				"overriding with %08x\n",
-				dev_addr_rx, config_addr);
+
 		if (cfg->dir != STEDMA40_PERIPH_TO_MEM)
 			dev_dbg(d40c->base->dev,
 				"channel was not configured for peripheral "
@ -2733,15 +2760,8 @@ static int d40_set_runtime_config(struct dma_chan *chan,
 			dst_maxburst = src_maxburst;

 	} else if (config->direction == DMA_MEM_TO_DEV) {
-		dma_addr_t dev_addr_tx =
-			d40c->base->plat_data->dev_tx[cfg->dst_dev_type];
-
 		config_addr = config->dst_addr;
-		if (dev_addr_tx)
-			dev_dbg(d40c->base->dev,
-				"channel has a pre-wired TX address %08x "
-				"overriding with %08x\n",
-				dev_addr_tx, config_addr);
+
 		if (cfg->dir != STEDMA40_MEM_TO_PERIPH)
 			dev_dbg(d40c->base->dev,
 				"channel was not configured for memory "
@ -2761,6 +2781,11 @@ static int d40_set_runtime_config(struct dma_chan *chan,
 		return -EINVAL;
 	}

+	if (config_addr <= 0) {
+		dev_err(d40c->base->dev, "no address supplied\n");
+		return -EINVAL;
+	}
+
 	if (src_maxburst * src_addr_width != dst_maxburst * dst_addr_width) {
 		dev_err(d40c->base->dev,
 			"src/dst width/maxburst mismatch: %d*%d != %d*%d\n",
@ -2795,8 +2820,7 @@ static int d40_set_runtime_config(struct dma_chan *chan,
 	if (chan_is_logical(d40c))
 		d40_log_cfg(cfg, &d40c->log_def.lcsp1, &d40c->log_def.lcsp3);
 	else
-		d40_phy_cfg(cfg, &d40c->src_def_cfg,
-			    &d40c->dst_def_cfg, false);
+		d40_phy_cfg(cfg, &d40c->src_def_cfg, &d40c->dst_def_cfg);

 	/* These settings will take precedence later */
 	d40c->runtime_addr = config_addr;
@ -2927,7 +2951,7 @@ static int __init d40_dmaengine_init(struct d40_base *base,
 	}

 	d40_chan_init(base, &base->dma_memcpy, base->log_chans,
-		      base->num_log_chans, base->plat_data->memcpy_len);
+		      base->num_log_chans, ARRAY_SIZE(dma40_memcpy_channels));

 	dma_cap_zero(base->dma_memcpy.cap_mask);
 	dma_cap_set(DMA_MEMCPY, base->dma_memcpy.cap_mask);
@ -3121,7 +3145,7 @@ static int __init d40_phy_res_init(struct d40_base *base)

 static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 {
-	struct stedma40_platform_data *plat_data;
+	struct stedma40_platform_data *plat_data = pdev->dev.platform_data;
 	struct clk *clk = NULL;
 	void __iomem *virtbase = NULL;
 	struct resource *res = NULL;
@ -3187,8 +3211,10 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	 * DB8540v1 has revision 4
 	 */
 	rev = AMBA_REV_BITS(pid);
-
-	plat_data = pdev->dev.platform_data;
+	if (rev < 2) {
+		d40_err(&pdev->dev, "hardware revision: %d is not supported", rev);
+		goto failure;
+	}

 	/* The number of physical channels on this HW */
 	if (plat_data->num_of_phy_chans)
@ -3196,26 +3222,14 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	else
 		num_phy_chans = 4 * (readl(virtbase + D40_DREG_ICFG) & 0x7) + 4;

-	dev_info(&pdev->dev, "hardware revision: %d @ 0x%x with %d physical channels\n",
-		 rev, res->start, num_phy_chans);
+	num_log_chans = num_phy_chans * D40_MAX_LOG_CHAN_PER_PHY;

-	if (rev < 2) {
-		d40_err(&pdev->dev, "hardware revision: %d is not supported",
-			rev);
-		goto failure;
-	}
-
-	/* Count the number of logical channels in use */
-	for (i = 0; i < plat_data->dev_len; i++)
-		if (plat_data->dev_rx[i] != 0)
-			num_log_chans++;
-
-	for (i = 0; i < plat_data->dev_len; i++)
-		if (plat_data->dev_tx[i] != 0)
-			num_log_chans++;
+	dev_info(&pdev->dev,
+		 "hardware rev: %d @ 0x%x with %d physical and %d logical channels\n",
+		 rev, res->start, num_phy_chans, num_log_chans);

 	base = kzalloc(ALIGN(sizeof(struct d40_base), 4) +
-		       (num_phy_chans + num_log_chans + plat_data->memcpy_len) *
+		       (num_phy_chans + num_log_chans + ARRAY_SIZE(dma40_memcpy_channels)) *
 		       sizeof(struct d40_chan), GFP_KERNEL);

 	if (base == NULL) {
@ -3276,17 +3290,11 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
 	if (!base->lookup_phy_chans)
 		goto failure;

-	if (num_log_chans + plat_data->memcpy_len) {
-		/*
-		 * The max number of logical channels are event lines for all
-		 * src devices and dst devices
-		 */
-		base->lookup_log_chans = kzalloc(plat_data->dev_len * 2 *
-						 sizeof(struct d40_chan *),
-						 GFP_KERNEL);
-		if (!base->lookup_log_chans)
-			goto failure;
-	}
+	base->lookup_log_chans = kzalloc(num_log_chans *
+					 sizeof(struct d40_chan *),
+					 GFP_KERNEL);
+	if (!base->lookup_log_chans)
+		goto failure;

 	base->reg_val_backup_chan = kmalloc(base->num_phy_chans *
 					    sizeof(d40_backup_regs_chan),
@ -3470,17 +3478,52 @@ static int __init d40_lcla_allocate(struct d40_base *base)
 	return ret;
 }

+static int __init d40_of_probe(struct platform_device *pdev,
+			       struct device_node *np)
+{
+	struct stedma40_platform_data *pdata;
+
+	/*
+	 * FIXME: Fill in this routine as more support is added.
+	 * First platform enabled (u8500) doens't need any extra
+	 * properties to run, so this is fairly sparce currently.
+	 */
+
+	pdata = devm_kzalloc(&pdev->dev,
+			     sizeof(struct stedma40_platform_data),
+			     GFP_KERNEL);
+	if (!pdata)
+		return -ENOMEM;
+
+	pdev->dev.platform_data = pdata;
+
+	return 0;
+}
+
 static int __init d40_probe(struct platform_device *pdev)
 {
+	struct stedma40_platform_data *plat_data = pdev->dev.platform_data;
+	struct device_node *np = pdev->dev.of_node;
 	int err;
 	int ret = -ENOENT;
-	struct d40_base *base;
+	struct d40_base *base = NULL;
 	struct resource *res = NULL;
 	int num_reserved_chans;
 	u32 val;

-	base = d40_hw_detect_init(pdev);
+	if (!plat_data) {
+		if (np) {
+			if(d40_of_probe(pdev, np)) {
+				ret = -ENOMEM;
+				goto failure;
+			}
+		} else {
+			d40_err(&pdev->dev, "No pdata or Device Tree provided\n");
+			goto failure;
+		}
+	}

+	base = d40_hw_detect_init(pdev);
 	if (!base)
 		goto failure;

@ -3601,6 +3644,13 @@ static int __init d40_probe(struct platform_device *pdev)

 	d40_hw_init(base);

+	if (np) {
+		err = of_dma_controller_register(np, d40_xlate, NULL);
+		if (err && err != -ENODEV)
+			dev_err(&pdev->dev,
+				"could not register of_dma_controller\n");
+	}
+
 	dev_info(base->dev, "initialized\n");
 	return 0;

@ -3654,11 +3704,17 @@ static int __init d40_probe(struct platform_device *pdev)
 	return ret;
 }

+static const struct of_device_id d40_match[] = {
+        { .compatible = "stericsson,dma40", },
+        {}
+};
+
 static struct platform_driver d40_driver = {
 	.driver = {
 		.owner = THIS_MODULE,
 		.name  = D40_NAME,
 		.pm = DMA40_PM_OPS,
+		.of_match_table = d40_match,
 	},
 };

--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@ -50,68 +50,58 @@ void d40_log_cfg(struct stedma40_chan_cfg *cfg,

 }

-/* Sets up SRC and DST CFG register for both logical and physical channels */
-void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
-		 u32 *src_cfg, u32 *dst_cfg, bool is_log)
+void d40_phy_cfg(struct stedma40_chan_cfg *cfg, u32 *src_cfg, u32 *dst_cfg)
 {
 	u32 src = 0;
 	u32 dst = 0;

-	if (!is_log) {
-		/* Physical channel */
-		if ((cfg->dir ==  STEDMA40_PERIPH_TO_MEM) ||
-		    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
-			/* Set master port to 1 */
-			src |= 1 << D40_SREG_CFG_MST_POS;
-			src |= D40_TYPE_TO_EVENT(cfg->src_dev_type);
+	if ((cfg->dir ==  STEDMA40_PERIPH_TO_MEM) ||
+	    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+		/* Set master port to 1 */
+		src |= 1 << D40_SREG_CFG_MST_POS;
+		src |= D40_TYPE_TO_EVENT(cfg->dev_type);

-			if (cfg->src_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
-				src |= 1 << D40_SREG_CFG_PHY_TM_POS;
-			else
-				src |= 3 << D40_SREG_CFG_PHY_TM_POS;
-		}
-		if ((cfg->dir ==  STEDMA40_MEM_TO_PERIPH) ||
-		    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
-			/* Set master port to 1 */
-			dst |= 1 << D40_SREG_CFG_MST_POS;
-			dst |= D40_TYPE_TO_EVENT(cfg->dst_dev_type);
+		if (cfg->src_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
+			src |= 1 << D40_SREG_CFG_PHY_TM_POS;
+		else
+			src |= 3 << D40_SREG_CFG_PHY_TM_POS;
+	}
+	if ((cfg->dir ==  STEDMA40_MEM_TO_PERIPH) ||
+	    (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+		/* Set master port to 1 */
+		dst |= 1 << D40_SREG_CFG_MST_POS;
+		dst |= D40_TYPE_TO_EVENT(cfg->dev_type);

-			if (cfg->dst_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
-				dst |= 1 << D40_SREG_CFG_PHY_TM_POS;
-			else
-				dst |= 3 << D40_SREG_CFG_PHY_TM_POS;
-		}
-		/* Interrupt on end of transfer for destination */
-		dst |= 1 << D40_SREG_CFG_TIM_POS;
+		if (cfg->dst_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
+			dst |= 1 << D40_SREG_CFG_PHY_TM_POS;
+		else
+			dst |= 3 << D40_SREG_CFG_PHY_TM_POS;
+	}
+	/* Interrupt on end of transfer for destination */
+	dst |= 1 << D40_SREG_CFG_TIM_POS;

-		/* Generate interrupt on error */
-		src |= 1 << D40_SREG_CFG_EIM_POS;
-		dst |= 1 << D40_SREG_CFG_EIM_POS;
+	/* Generate interrupt on error */
+	src |= 1 << D40_SREG_CFG_EIM_POS;
+	dst |= 1 << D40_SREG_CFG_EIM_POS;

-		/* PSIZE */
-		if (cfg->src_info.psize != STEDMA40_PSIZE_PHY_1) {
-			src |= 1 << D40_SREG_CFG_PHY_PEN_POS;
-			src |= cfg->src_info.psize << D40_SREG_CFG_PSIZE_POS;
-		}
-		if (cfg->dst_info.psize != STEDMA40_PSIZE_PHY_1) {
-			dst |= 1 << D40_SREG_CFG_PHY_PEN_POS;
-			dst |= cfg->dst_info.psize << D40_SREG_CFG_PSIZE_POS;
-		}
+	/* PSIZE */
+	if (cfg->src_info.psize != STEDMA40_PSIZE_PHY_1) {
+		src |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+		src |= cfg->src_info.psize << D40_SREG_CFG_PSIZE_POS;
+	}
+	if (cfg->dst_info.psize != STEDMA40_PSIZE_PHY_1) {
+		dst |= 1 << D40_SREG_CFG_PHY_PEN_POS;
+		dst |= cfg->dst_info.psize << D40_SREG_CFG_PSIZE_POS;
+	}

-		/* Element size */
-		src |= cfg->src_info.data_width << D40_SREG_CFG_ESIZE_POS;
-		dst |= cfg->dst_info.data_width << D40_SREG_CFG_ESIZE_POS;
+	/* Element size */
+	src |= cfg->src_info.data_width << D40_SREG_CFG_ESIZE_POS;
+	dst |= cfg->dst_info.data_width << D40_SREG_CFG_ESIZE_POS;

-		/* Set the priority bit to high for the physical channel */
-		if (cfg->high_priority) {
-			src |= 1 << D40_SREG_CFG_PRI_POS;
-			dst |= 1 << D40_SREG_CFG_PRI_POS;
-		}
-
-	} else {
-		/* Logical channel */
-		dst |= 1 << D40_SREG_CFG_LOG_GIM_POS;
-		src |= 1 << D40_SREG_CFG_LOG_GIM_POS;
+	/* Set the priority bit to high for the physical channel */
+	if (cfg->high_priority) {
+		src |= 1 << D40_SREG_CFG_PRI_POS;
+		dst |= 1 << D40_SREG_CFG_PRI_POS;
 	}

 	if (cfg->src_info.big_endian)
--- a/drivers/dma/ste_dma40_ll.h
+++ b/drivers/dma/ste_dma40_ll.h
@ -432,8 +432,7 @@ enum d40_lli_flags {

 void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
 		 u32 *src_cfg,
-		 u32 *dst_cfg,
-		 bool is_log);
+		 u32 *dst_cfg);

 void d40_log_cfg(struct stedma40_chan_cfg *cfg,
 		 u32 *lcsp1,
--- a/include/linux/platform_data/dma-ste-dma40.h
+++ b/include/linux/platform_data/dma-ste-dma40.h
@ -86,7 +86,7 @@ enum stedma40_xfer_dir {


 /**
- * struct stedma40_chan_cfg - dst/src channel configuration
+ * struct stedma40_half_channel_info - dst/src channel configuration
 *
 * @big_endian: true if the src/dst should be read as big endian
 * @data_width: Data width of the src/dst hardware
@ -109,8 +109,7 @@ struct stedma40_half_channel_info {
 * version 3+, i.e DB8500v2+
 * @mode: channel mode: physical, logical, or operation
 * @mode_opt: options for the chosen channel mode
- * @src_dev_type: Src device type
- * @dst_dev_type: Dst device type
+ * @dev_type: src/dst device type (driver uses dir to figure out which)
 * @src_info: Parameters for dst half channel
 * @dst_info: Parameters for dst half channel
 * @use_fixed_channel: if true, use physical channel specified by phy_channel
@ -126,8 +125,7 @@ struct stedma40_chan_cfg {
 	bool					 realtime;
 	enum stedma40_mode			 mode;
 	enum stedma40_mode_opt			 mode_opt;
-	int					 src_dev_type;
-	int					 dst_dev_type;
+	int					 dev_type;
 	struct stedma40_half_channel_info	 src_info;
 	struct stedma40_half_channel_info	 dst_info;

@ -138,13 +136,8 @@ struct stedma40_chan_cfg {
 /**
 * struct stedma40_platform_data - Configuration struct for the dma device.
 *
- * @dev_len: length of dev_tx and dev_rx
 * @dev_tx: mapping between destination event line and io address
 * @dev_rx: mapping between source event line and io address
- * @memcpy: list of memcpy event lines
- * @memcpy_len: length of memcpy
- * @memcpy_conf_phy: default configuration of physical channel memcpy
- * @memcpy_conf_log: default configuration of logical channel memcpy
 * @disabled_channels: A vector, ending with -1, that marks physical channels
 * that are for different reasons not available for the driver.
 * @soft_lli_chans: A vector, that marks physical channels will use LLI by SW
@ -159,13 +152,6 @@ struct stedma40_chan_cfg {
 * for 'multiple of 4' channels, like 8.
 */
 struct stedma40_platform_data {
-	u32				 dev_len;
-	const dma_addr_t		*dev_tx;
-	const dma_addr_t		*dev_rx;
-	int				*memcpy;
-	u32				 memcpy_len;
-	struct stedma40_chan_cfg	*memcpy_conf_phy;
-	struct stedma40_chan_cfg	*memcpy_conf_log;
 	int				 disabled_channels[STEDMA40_MAX_PHYS];
 	int				*soft_lli_chans;
 	int				 num_of_soft_lli_chans;