ddr: Add DDR driver for iMX8ULP
Add iMX8ULP DDR initialization driver which loads the DDR timing
parameters and executes the training procedure.
When enabling IMX8ULP_DRAM_PHY_PLL_BYPASS, using PHY PLL bypass mode
to do DDR init
Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/drivers/ddr/imx/imx8ulp/Kconfig b/drivers/ddr/imx/imx8ulp/Kconfig
new file mode 100644
index 0000000..e56062a
--- /dev/null
+++ b/drivers/ddr/imx/imx8ulp/Kconfig
@@ -0,0 +1,11 @@
+menu "i.MX8ULP DDR controllers"
+ depends on ARCH_IMX8ULP
+
+config IMX8ULP_DRAM
+ bool "imx8m dram"
+
+config IMX8ULP_DRAM_PHY_PLL_BYPASS
+ bool "Enable the DDR PHY PLL bypass mode, so PHY clock is from DDR_CLK "
+ depends on IMX8ULP_DRAM
+
+endmenu