diff options
author | Simon Glass <sjg@chromium.org> | 2016-07-04 20:58:24 +0300 |
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committer | Simon Glass <sjg@chromium.org> | 2016-07-15 05:40:24 +0300 |
commit | 2fc24d5335a35a4880fdc04cf4d45754d29cd415 (patch) | |
tree | 52e7f2753342d8b89d311118cafba32cb9819ae4 /drivers/serial/serial_rockchip.c | |
parent | b2927fbaa89d2c7f7ac3977bc0cab2a4b7924acd (diff) | |
download | u-boot-2fc24d5335a35a4880fdc04cf4d45754d29cd415.tar.xz |
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>
Diffstat (limited to 'drivers/serial/serial_rockchip.c')
-rw-r--r-- | drivers/serial/serial_rockchip.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/serial/serial_rockchip.c b/drivers/serial/serial_rockchip.c new file mode 100644 index 0000000000..6bac95a414 --- /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, +}; |