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authorLokesh Vutla <lokeshvutla@ti.com>2015-09-19 14:47:36 +0530
committerTom Rini <trini@konsulko.com>2015-10-23 10:53:46 -0400
commit6c2441c1d3f3ac11c7840aa1381a5beca68aafb3 (patch)
treecc3b61f667eaed6165986de922114333dc33dae8
parent96fa1e4385bb1b63c58c48d10b552605f47a6f7f (diff)
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>
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/serial_keystone.c48
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 869ea7b8fb..1818c7c3a6 100644
--- 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
index 0000000000..7b5ab6c5ca
--- /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,
+};