[U-Boot] [PATCH v3 20/57] ram: rockchip: Kconfig: Add RK3399 LPDDR4 entry

[Jagan Teki]

Supporting LPDDR4 code support in RK3399 would increases
the size of SPL/TPL.

So add kconfig entry for RK3399 LPDDR4 code so-that
the boards have LPDDR4 can enable them via defconfig.

Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
 drivers/ram/rockchip/Kconfig | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/ram/rockchip/Kconfig b/drivers/ram/rockchip/Kconfig
index 151ffb684d..4f274e01b3 100644
--- a/drivers/ram/rockchip/Kconfig
+++ b/drivers/ram/rockchip/Kconfig
@@ -23,4 +23,11 @@ config RAM_RK3399
 	  This enables ram drivers support for the platforms based on
 	  Rockchip RK3399 SoC.
 
+config RAM_RK3399_LPDDR4
+	bool "LPDDR4 support for Rockchip RK3399"
+	depends on RAM_RK3399
+	help
+	  This enables LPDDR4 sdram code support for the platforms based
+	  on Rockchip RK3399 SoC.
+
 endif # RAM_ROCKCHIP
-- 
2.18.0.321.gffc6fa0e3