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https://github.com/AsahiLinux/u-boot
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805dc44cc8
The initial design of the UniPhier clk driver for U-Boot was not very nice. Here is a re-work to sync it with Linux's clk and reset drivers, maximizing the code reuse from Linux's clk data. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* Copyright (C) 2016 Socionext Inc.
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* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "clk-uniphier.h"
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#define UNIPHIER_MIO_CLK_SD_GATE(id, ch) \
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UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 8)
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#define UNIPHIER_MIO_CLK_USB2(id, ch) \
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UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 28)
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#define UNIPHIER_MIO_CLK_USB2_PHY(id, ch) \
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UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 29)
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#define UNIPHIER_MIO_CLK_DMAC(id) \
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UNIPHIER_CLK_GATE((id), 0x20, 25)
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#define UNIPHIER_MIO_CLK_SD_MUX(_id, ch) \
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{ \
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.id = (_id), \
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.nr_muxs = 8, \
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.reg = 0x30 + 0x200 * (ch), \
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.masks = { \
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0x00031000, \
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0x00031000, \
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0x00031000, \
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0x00031000, \
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0x00001300, \
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0x00001300, \
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0x00001300, \
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0x00001300, \
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}, \
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.vals = { \
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0x00000000, \
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0x00010000, \
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0x00020000, \
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0x00030000, \
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0x00001000, \
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0x00001100, \
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0x00001200, \
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0x00001300, \
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}, \
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.rates = { \
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44444444, \
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33333333, \
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50000000, \
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66666666, \
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100000000, \
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40000000, \
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25000000, \
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22222222, \
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}, \
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}
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static const struct uniphier_clk_gate_data uniphier_mio_clk_gate[] = {
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UNIPHIER_MIO_CLK_SD_GATE(0, 0),
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UNIPHIER_MIO_CLK_SD_GATE(1, 1),
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UNIPHIER_MIO_CLK_SD_GATE(2, 2), /* for PH1-Pro4 only */
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UNIPHIER_MIO_CLK_DMAC(7),
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UNIPHIER_MIO_CLK_USB2(8, 0),
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UNIPHIER_MIO_CLK_USB2(9, 1),
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UNIPHIER_MIO_CLK_USB2(10, 2),
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UNIPHIER_MIO_CLK_USB2(11, 3), /* for PH1-sLD3 only */
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UNIPHIER_MIO_CLK_USB2_PHY(12, 0),
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UNIPHIER_MIO_CLK_USB2_PHY(13, 1),
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UNIPHIER_MIO_CLK_USB2_PHY(14, 2),
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UNIPHIER_MIO_CLK_USB2_PHY(15, 3), /* for PH1-sLD3 only */
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UNIPHIER_CLK_END
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};
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static const struct uniphier_clk_mux_data uniphier_mio_clk_mux[] = {
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UNIPHIER_MIO_CLK_SD_MUX(0, 0),
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UNIPHIER_MIO_CLK_SD_MUX(1, 1),
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UNIPHIER_MIO_CLK_SD_MUX(2, 2), /* for PH1-Pro4 only */
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UNIPHIER_CLK_END
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};
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const struct uniphier_clk_data uniphier_mio_clk_data = {
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.gate = uniphier_mio_clk_gate,
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.mux = uniphier_mio_clk_mux,
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};
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