rockchip: serial: Adapt rockchip of-platdata driver for rk3188

Add necessary structs to have the driver also work for the serial
on the rk3188.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>

drivers/serial/serial_rockchip.c

@@ -12,12 +12,19 @@
 #include <serial.h>
 #include <asm/arch/clock.h>
 
+#if defined(CONFIG_ROCKCHIP_RK3188)
+struct rockchip_uart_platdata {
+	struct dtd_rockchip_rk3188_uart dtplat;
+	struct ns16550_platdata plat;
+};
+struct dtd_rockchip_rk3188_uart *dtplat, s_dtplat;
+#elif defined(CONFIG_ROCKCHIP_RK3288)
 struct rockchip_uart_platdata {
 	struct dtd_rockchip_rk3288_uart dtplat;
 	struct ns16550_platdata plat;
 };
-
 struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat;
+#endif
 
 static int rockchip_serial_probe(struct udevice *dev)
 {
@@ -33,6 +40,16 @@ static int rockchip_serial_probe(struct udevice *dev)
 	return ns16550_serial_probe(dev);
 }
 
+U_BOOT_DRIVER(rockchip_rk3188_uart) = {
+	.name	= "rockchip_rk3188_uart",
+	.id	= UCLASS_SERIAL,
+	.priv_auto_alloc_size = sizeof(struct NS16550),
+	.platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata),
+	.probe	= rockchip_serial_probe,
+	.ops	= &ns16550_serial_ops,
+	.flags	= DM_FLAG_PRE_RELOC,
+};
+
 U_BOOT_DRIVER(rockchip_rk3288_uart) = {
 	.name	= "rockchip_rk3288_uart",
 	.id	= UCLASS_SERIAL,