dmaengine: ti: convert PSIL to be buildable as module

Combine all the SoC specific files into a single lib that can be
built-in or built as a module.
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20220929234820.940048-4-khilman@baylibre.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/ti/Kconfig

@@ -56,7 +56,8 @@ config TI_K3_UDMA_GLUE_LAYER
 	  If unsure, say N.
 
 config TI_K3_PSIL
-	bool
+       tristate
+       default TI_K3_UDMA
 
 config TI_DMA_CROSSBAR
 	bool

drivers/dma/ti/Makefile

@@ -4,11 +4,12 @@ obj-$(CONFIG_TI_EDMA) += edma.o
 obj-$(CONFIG_DMA_OMAP) += omap-dma.o
 obj-$(CONFIG_TI_K3_UDMA) += k3-udma.o
 obj-$(CONFIG_TI_K3_UDMA_GLUE_LAYER) += k3-udma-glue.o
-obj-$(CONFIG_TI_K3_PSIL) += k3-psil.o \
-			    k3-psil-am654.o \
-			    k3-psil-j721e.o \
-			    k3-psil-j7200.o \
-			    k3-psil-am64.o \
-			    k3-psil-j721s2.o \
-			    k3-psil-am62.o
+k3-psil-lib-objs := k3-psil.o \
+		    k3-psil-am654.o \
+		    k3-psil-j721e.o \
+		    k3-psil-j7200.o \
+		    k3-psil-am64.o \
+		    k3-psil-j721s2.o \
+		    k3-psil-am62.o
+obj-$(CONFIG_TI_K3_PSIL) += k3-psil-lib.o
 obj-$(CONFIG_TI_DMA_CROSSBAR) += dma-crossbar.o

drivers/dma/ti/k3-psil.c

@@ -5,6 +5,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
@@ -101,3 +102,4 @@ int psil_set_new_ep_config(struct device *dev, const char *name,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(psil_set_new_ep_config);
+MODULE_LICENSE("GPL v2");