rockchip: serial: Add an of-platdata driver for rockchip
Add a driver that works with of-platdata. It sets up the platform data and
calls the standard ns16550 driver.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/serial/serial_rockchip.c b/drivers/serial/serial_rockchip.c
new file mode 100644
index 0000000..6bac95a
--- /dev/null
+++ b/drivers/serial/serial_rockchip.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <dt-structs.h>
+#include <ns16550.h>
+#include <serial.h>
+#include <asm/arch/clock.h>
+
+struct rockchip_uart_platdata {
+ struct dtd_rockchip_rk3288_uart dtplat;
+ struct ns16550_platdata plat;
+};
+
+struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat;
+
+static int rockchip_serial_probe(struct udevice *dev)
+{
+ struct rockchip_uart_platdata *plat = dev_get_platdata(dev);
+
+ /* Create some new platform data for the standard driver */
+ plat->plat.base = plat->dtplat.reg[0];
+ plat->plat.reg_shift = plat->dtplat.reg_shift;
+ plat->plat.clock = plat->dtplat.clock_frequency;
+ dev->platdata = &plat->plat;
+
+ return ns16550_serial_probe(dev);
+}
+
+U_BOOT_DRIVER(rockchip_rk3288_uart) = {
+ .name = "rockchip_rk3288_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,
+};