diff mbox

[U-Boot,12/14] dm: omap: serial: Add driver model support

Message ID 1411400934-7754-13-git-send-email-sjg@chromium.org
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass Sept. 22, 2014, 3:48 p.m. UTC
Add driver model support to this driver, while retaining support for the
legacy system. Driver model serial support is enabled with CONFIG_DM_SERIAL
as usual.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 drivers/serial/Makefile      |  1 +
 drivers/serial/serial_omap.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 drivers/serial/serial_omap.c

Comments

Masahiro Yamada Oct. 22, 2014, 9:47 a.m. UTC | #1
Hi Simon,

One minor comment from me.



On Mon, 22 Sep 2014 09:48:52 -0600
Simon Glass <sjg@chromium.org> wrote:
> +
> +U_BOOT_DRIVER(serial_omap_ns16550) = {
> +	.name	= "serial_omap",
> +	.id	= UCLASS_SERIAL,
> +#ifdef CONFIG_OF_CONTROL
> +	.of_match = omap_serial_ids,
> +	.ofdata_to_platdata = omap_serial_ofdata_to_platdata,
> +#endif
> +	.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
> +	.priv_auto_alloc_size = sizeof(struct NS16550),
> +	.probe = ns16550_serial_probe,
> +	.ops	= &ns16550_serial_ops,
> +	.flags	= DM_FLAG_PRE_RELOC,
> +};


U_BOOT_DRIVER(serial_omap_ns16550) = {
	.name	= "serial_omap",
	.id	= UCLASS_SERIAL,
	.of_match = of_match_ptr(omap_serial_ids),
	.ofdata_to_platdata = of_match_ptr(omap_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,
	.flags	= DM_FLAG_PRE_RELOC,
};


is cleaner
though you need to apply the following first:
http://patchwork.ozlabs.org/patch/397088/


Best Regards
Masahiro Yamada
Tom Rini Oct. 22, 2014, 3:59 p.m. UTC | #2
On Mon, Sep 22, 2014 at 09:48:52AM -0600, Simon Glass wrote:

> Add driver model support to this driver, while retaining support for the
> legacy system. Driver model serial support is enabled with CONFIG_DM_SERIAL
> as usual.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>

Assuming you'll make the change Masahiro pointed out,

Reviewed-by: Tom Rini <trini@ti.com>
diff mbox

Patch

diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 853a8c6..9ac3496 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -39,6 +39,7 @@  obj-$(CONFIG_FSL_LPUART) += serial_lpuart.o
 obj-$(CONFIG_MXS_AUART) += mxs_auart.o
 obj-$(CONFIG_ARC_SERIAL) += serial_arc.o
 obj-$(CONFIG_TEGRA_SERIAL) += serial_tegra.o
+obj-$(CONFIG_OMAP_SERIAL) += serial_omap.o
 
 ifndef CONFIG_SPL_BUILD
 obj-$(CONFIG_USB_TTY) += usbtty.o
diff --git a/drivers/serial/serial_omap.c b/drivers/serial/serial_omap.c
new file mode 100644
index 0000000..6866b21
--- /dev/null
+++ b/drivers/serial/serial_omap.c
@@ -0,0 +1,49 @@ 
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <ns16550.h>
+#include <serial.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_OF_CONTROL
+static const struct udevice_id omap_serial_ids[] = {
+	{ .compatible = "ti,omap3-uart" },
+	{ }
+};
+
+static int omap_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 = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+				     "clock-frequency", -1);
+	plat->reg_shift = 2;
+
+	return 0;
+}
+#endif
+
+U_BOOT_DRIVER(serial_omap_ns16550) = {
+	.name	= "serial_omap",
+	.id	= UCLASS_SERIAL,
+#ifdef CONFIG_OF_CONTROL
+	.of_match = omap_serial_ids,
+	.ofdata_to_platdata = omap_serial_ofdata_to_platdata,
+#endif
+	.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
+	.priv_auto_alloc_size = sizeof(struct NS16550),
+	.probe = ns16550_serial_probe,
+	.ops	= &ns16550_serial_ops,
+	.flags	= DM_FLAG_PRE_RELOC,
+};