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https://github.com/riscv-software-src/opensbi
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0021b43737
Add FDT driver for Renesas SCIF.
dts example:
soc: soc {
....
scif0: serial@1004b800 {
compatible = "renesas,scif-r9a07g043",
"renesas,scif-r9a07g044";
reg = <0 0x1004b800 0 0x400>;
interrupts = <412 IRQ_TYPE_LEVEL_HIGH>,
<414 IRQ_TYPE_LEVEL_HIGH>,
<415 IRQ_TYPE_LEVEL_HIGH>,
<413 IRQ_TYPE_LEVEL_HIGH>,
<416 IRQ_TYPE_LEVEL_HIGH>,
<416 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "eri", "rxi", "txi",
"bri", "dri", "tei";
clocks = <&cpg CPG_MOD R9A07G043_SCIF0_CLK_PCK>;
clock-names = "fck";
power-domains = <&cpg>;
resets = <&cpg R9A07G043_SCIF0_RST_SYSTEM_N>;
status = "disabled";
};
....
};
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
32 lines
781 B
C
32 lines
781 B
C
// SPDX-License-Identifier: BSD-2-Clause
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/*
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* Copyright (C) 2022 Renesas Electronics Corporation
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*/
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/serial/fdt_serial.h>
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#include <sbi_utils/serial/renesas-scif.h>
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static int serial_renesas_scif_init(void *fdt, int nodeoff,
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const struct fdt_match *match)
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{
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struct platform_uart_data uart = { 0 };
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int ret;
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ret = fdt_parse_renesas_scif_node(fdt, nodeoff, &uart);
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if (ret)
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return ret;
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return renesas_scif_init(uart.addr, uart.freq, uart.baud);
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}
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static const struct fdt_match serial_renesas_scif_match[] = {
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{ .compatible = "renesas,scif-r9a07g043" },
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{ /* sentinel */ }
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};
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struct fdt_serial fdt_serial_renesas_scif = {
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.match_table = serial_renesas_scif_match,
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.init = serial_renesas_scif_init
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};
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