dm: keystone: serial: Add driver model support

Add driver model support for keystone serial driver.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 869ea7b8fb46fe1d08abfaee46ab64782e5d0216..1818c7c3a67be977c0086bfc3fe2f5c40296de70 100644 (file)
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_EFI_APP) += serial_efi.o
 obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o
 obj-$(CONFIG_MCFUART) += mcfuart.o
 obj-$(CONFIG_OPENCORES_YANU) += opencores_yanu.o
+obj-$(CONFIG_KEYSTONE_SERIAL) += serial_keystone.o
 obj-$(CONFIG_SYS_NS16550) += ns16550.o
 obj-$(CONFIG_S5P) += serial_s5p.o
 obj-$(CONFIG_IMX_SERIAL) += serial_imx.o

diff --git a/drivers/serial/serial_keystone.c b/drivers/serial/serial_keystone.c
new file mode 100644 (file)
index 0000000..7b5ab6c
--- /dev/null
+++ b/drivers/serial/serial_keystone.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2015 Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <ns16550.h>
+#include <serial.h>
+#include <asm/arch/clock.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct udevice_id keystone_serial_ids[] = {
+       { .compatible = "ti,keystone-uart" },
+       { .compatible = "ns16550a" },
+       { }
+};
+
+static int keystone_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;
+}
+#endif
+
+U_BOOT_DRIVER(serial_keystone_ns16550) = {
+       .name   = "serial_keystone",
+       .id     = UCLASS_SERIAL,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+       .of_match = of_match_ptr(keystone_serial_ids),
+       .ofdata_to_platdata = of_match_ptr(keystone_serial_ofdata_to_platdata),
+       .platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
+#endif
+       .priv_auto_alloc_size = sizeof(struct NS16550),
+       .probe = ns16550_serial_probe,
+       .ops    = &ns16550_serial_ops,
+       .flags  = DM_FLAG_PRE_RELOC,
+};