dm: tegra: Enable driver model for serial
Use driver model for serial ports. Since Tegra now uses driver model for serial, adjust the definition of V_NS16550_CLK so that it is clear that this is only used for SPL. Signed-off-by: Simon Glass <sjg@chromium.org>
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@ -38,6 +38,7 @@ obj-$(CONFIG_BFIN_SERIAL) += serial_bfin.o
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obj-$(CONFIG_FSL_LPUART) += serial_lpuart.o
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obj-$(CONFIG_FSL_LPUART) += serial_lpuart.o
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obj-$(CONFIG_MXS_AUART) += mxs_auart.o
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obj-$(CONFIG_MXS_AUART) += mxs_auart.o
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obj-$(CONFIG_ARC_SERIAL) += serial_arc.o
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obj-$(CONFIG_ARC_SERIAL) += serial_arc.o
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obj-$(CONFIG_TEGRA_SERIAL) += serial_tegra.o
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ifndef CONFIG_SPL_BUILD
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ifndef CONFIG_SPL_BUILD
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obj-$(CONFIG_USB_TTY) += usbtty.o
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obj-$(CONFIG_USB_TTY) += usbtty.o
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38
drivers/serial/serial_tegra.c
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38
drivers/serial/serial_tegra.c
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@ -0,0 +1,38 @@
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/*
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* Copyright (c) 2014 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <ns16550.h>
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#include <serial.h>
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static const struct udevice_id tegra_serial_ids[] = {
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{ .compatible = "nvidia,tegra20-uart" },
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{ }
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};
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static int tegra_serial_ofdata_to_platdata(struct udevice *dev)
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{
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struct ns16550_platdata *plat = dev_get_platdata(dev);
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int ret;
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ret = ns16550_serial_ofdata_to_platdata(dev);
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if (ret)
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return ret;
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plat->clock = V_NS16550_CLK;
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return 0;
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}
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U_BOOT_DRIVER(serial_ns16550) = {
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.name = "serial_tegra20",
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.id = UCLASS_SERIAL,
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.of_match = tegra_serial_ids,
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.ofdata_to_platdata = tegra_serial_ofdata_to_platdata,
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.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
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.priv_auto_alloc_size = sizeof(struct NS16550),
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.probe = ns16550_serial_probe,
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.ops = &ns16550_serial_ops,
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};
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@ -21,6 +21,9 @@
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#define CONFIG_DM
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#define CONFIG_DM
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#define CONFIG_CMD_DM
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#define CONFIG_CMD_DM
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#define CONFIG_DM_GPIO
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#define CONFIG_DM_GPIO
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#ifndef CONFIG_SPL_BUILD
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#define CONFIG_DM_SERIAL
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#endif
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#define CONFIG_SYS_TIMER_RATE 1000000
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#define CONFIG_SYS_TIMER_RATE 1000000
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#define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE
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#define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE
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@ -46,10 +49,14 @@
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/*
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/*
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* NS16550 Configuration
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* NS16550 Configuration
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*/
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*/
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#define CONFIG_SYS_NS16550
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#ifdef CONFIG_SPL_BUILD
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
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#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
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#else
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#define CONFIG_TEGRA_SERIAL
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#endif
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#define CONFIG_SYS_NS16550
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/*
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/*
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* Common HW configuration.
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* Common HW configuration.
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