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7656582378
Add a driver for the Apollo Lake UART. It uses the standard ns16550 device but also sets up the input clock with LPSS and supports configuration via of-platdata. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
21 lines
496 B
C
21 lines
496 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2019 Google LLC
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*/
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#ifndef _ASM_ARCH_UART_H
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#define _ASM_ARCH_UART_H
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/**
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* apl_uart_init() - Set up the APL UART device and clock
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*
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* This enables the PCI device, sets up the MMIO region and turns on the clock
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* using LPSS.
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*
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* The UART won't actually work unless the GPIO settings are correct and the
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* signals actually exit the SoC. See board_debug_uart_init() for that.
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*/
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int apl_uart_init(pci_dev_t bdf, ulong base);
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#endif
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