ns16550: unify serial_dw

Unify serial_dw, and use the generic binding.
Signed-off-by: NThomas Chou <thomas@wytron.com.tw>
Reviewed-by: NTom Rini <trini@konsulko.com>
Acked-by: NSimon Glass <sjg@chromium.org>

drivers/serial/Makefile

@@ -19,7 +19,6 @@ obj-$(CONFIG_ALTERA_UART) += altera_uart.o
 obj-$(CONFIG_ALTERA_JTAG_UART) += altera_jtag_uart.o
 obj-$(CONFIG_ARM_DCC) += arm_dcc.o
 obj-$(CONFIG_ATMEL_USART) += atmel_usart.o
-obj-$(CONFIG_DW_SERIAL) += serial_dw.o
 obj-$(CONFIG_EFI_APP) += serial_efi.o
 obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o
 obj-$(CONFIG_MCFUART) += mcfuart.o

drivers/serial/serial_dw.c

-/*
- * Copyright (c) 2014 Google, Inc
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <ns16550.h>
-#include <serial.h>
-
-static const struct udevice_id dw_serial_ids[] = {
-	{ .compatible = "snps,dw-apb-uart" },
-	{ }
-};
-
-static int dw_serial_ofdata_to_platdata(struct udevice *dev)
-{
-	struct ns16550_platdata *plat = dev_get_platdata(dev);
-	int ret;
-
-	ret = ns16550_serial_ofdata_to_platdata(dev);
-	if (ret)
-		return ret;
-	plat->clock = CONFIG_SYS_NS16550_CLK;
-
-	return 0;
-}
-
-U_BOOT_DRIVER(serial_ns16550) = {
-	.name	= "serial_dw",
-	.id	= UCLASS_SERIAL,
-	.of_match = dw_serial_ids,
-	.ofdata_to_platdata = dw_serial_ofdata_to_platdata,
-	.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
-	.priv_auto_alloc_size = sizeof(struct NS16550),
-	.probe = ns16550_serial_probe,
-	.ops	= &ns16550_serial_ops,
-};

include/configs/mv-common.h

@@ -40,7 +40,7 @@
  * NS16550 Configuration
  */
 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_DM_SERIAL)
-#define CONFIG_DW_SERIAL
+#define CONFIG_NS16550_SERIAL
 #endif
 
 #define CONFIG_SYS_NS16550

include/configs/sunxi-common.h

@@ -46,7 +46,7 @@
 /* ns16550 reg in the low bits of cpu reg */
 #define CONFIG_SYS_NS16550_CLK		24000000
 #ifdef CONFIG_DM_SERIAL
-# define CONFIG_DW_SERIAL
+# define CONFIG_NS16550_SERIAL
 #else
 # define CONFIG_SYS_NS16550_REG_SIZE	-4
 # define CONFIG_SYS_NS16550_COM1		SUNXI_UART0_BASE

include/configs/tb100.h

@@ -35,7 +35,7 @@
 /*
  * UART configuration
  */
-#define CONFIG_DW_SERIAL
+#define CONFIG_NS16550_SERIAL
 #define CONFIG_SYS_NS16550
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_CLK		166666666