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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-10-17 22:18:01 +0900 |
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committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-10-18 14:06:46 +0900 |
commit | 805dc44cc8afc357f7cdca8b183d0b641768bdb2 (patch) | |
tree | cf1ce8941f9c3f58d35dfff44a9c567cc42cdcb8 /drivers/clk/uniphier/clk-uniphier-mio.c | |
parent | f666a658242e94d3413b4acfc2af4b4800ab3886 (diff) | |
download | u-boot-imx-805dc44cc8afc357f7cdca8b183d0b641768bdb2.zip u-boot-imx-805dc44cc8afc357f7cdca8b183d0b641768bdb2.tar.gz u-boot-imx-805dc44cc8afc357f7cdca8b183d0b641768bdb2.tar.bz2 |
clk: uniphier: rework UniPhier clk driver
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>
Diffstat (limited to 'drivers/clk/uniphier/clk-uniphier-mio.c')
-rw-r--r-- | drivers/clk/uniphier/clk-uniphier-mio.c | 183 |
1 files changed, 64 insertions, 119 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier-mio.c b/drivers/clk/uniphier/clk-uniphier-mio.c index c1e7197..18e6856 100644 --- a/drivers/clk/uniphier/clk-uniphier-mio.c +++ b/drivers/clk/uniphier/clk-uniphier-mio.c @@ -5,136 +5,81 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include <dm/device.h> - #include "clk-uniphier.h" -#define UNIPHIER_MIO_CLK_GATE_SD(ch, idx) \ - { \ - .index = (idx), \ - .reg = 0x20 + 0x200 * (ch), \ - .mask = 0x00000100, \ - .data = 0x00000100, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x110 + 0x200 * (ch), \ - .mask = 0x00000001, \ - .data = 0x00000001, \ - } +#define UNIPHIER_MIO_CLK_SD_GATE(id, ch) \ + UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 8) -#define UNIPHIER_MIO_CLK_RATE_SD(ch, idx) \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00000000, \ - .rate = 44444444, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00010000, \ - .rate = 33333333, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00020000, \ - .rate = 50000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00020000, \ - .rate = 66666666, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00001000, \ - .rate = 100000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00001100, \ - .rate = 40000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00001200, \ - .rate = 25000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x30 + 0x200 * (ch), \ - .mask = 0x00031300, \ - .data = 0x00001300, \ - .rate = 22222222, \ - } +#define UNIPHIER_MIO_CLK_USB2(id, ch) \ + UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 28) -#define UNIPHIER_MIO_CLK_GATE_USB(ch, idx) \ - { \ - .index = (idx), \ - .reg = 0x20 + 0x200 * (ch), \ - .mask = 0x30000000, \ - .data = 0x30000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x110 + 0x200 * (ch), \ - .mask = 0x01000000, \ - .data = 0x01000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x114 + 0x200 * (ch), \ - .mask = 0x00000001, \ - .data = 0x00000001, \ - } +#define UNIPHIER_MIO_CLK_USB2_PHY(id, ch) \ + UNIPHIER_CLK_GATE((id), 0x20 + 0x200 * (ch), 29) + +#define UNIPHIER_MIO_CLK_DMAC(id) \ + UNIPHIER_CLK_GATE((id), 0x20, 25) -#define UNIPHIER_MIO_CLK_GATE_DMAC(idx) \ - { \ - .index = (idx), \ - .reg = 0x20, \ - .mask = 0x02000000, \ - .data = 0x02000000, \ - }, \ - { \ - .index = (idx), \ - .reg = 0x110, \ - .mask = 0x00020000, \ - .data = 0x00020000, \ +#define UNIPHIER_MIO_CLK_SD_MUX(_id, ch) \ + { \ + .id = (_id), \ + .nr_muxs = 8, \ + .reg = 0x30 + 0x200 * (ch), \ + .masks = { \ + 0x00031000, \ + 0x00031000, \ + 0x00031000, \ + 0x00031000, \ + 0x00001300, \ + 0x00001300, \ + 0x00001300, \ + 0x00001300, \ + }, \ + .vals = { \ + 0x00000000, \ + 0x00010000, \ + 0x00020000, \ + 0x00030000, \ + 0x00001000, \ + 0x00001100, \ + 0x00001200, \ + 0x00001300, \ + }, \ + .rates = { \ + 44444444, \ + 33333333, \ + 50000000, \ + 66666666, \ + 100000000, \ + 40000000, \ + 25000000, \ + 22222222, \ + }, \ } static const struct uniphier_clk_gate_data uniphier_mio_clk_gate[] = { - UNIPHIER_MIO_CLK_GATE_SD(0, 0), - UNIPHIER_MIO_CLK_GATE_SD(1, 1), - UNIPHIER_MIO_CLK_GATE_SD(2, 2), /* for PH1-Pro4 only */ - UNIPHIER_MIO_CLK_GATE_USB(0, 3), - UNIPHIER_MIO_CLK_GATE_USB(1, 4), - UNIPHIER_MIO_CLK_GATE_USB(2, 5), - UNIPHIER_MIO_CLK_GATE_DMAC(6), - UNIPHIER_MIO_CLK_GATE_USB(3, 7), /* for PH1-sLD3 only */ + UNIPHIER_MIO_CLK_SD_GATE(0, 0), + UNIPHIER_MIO_CLK_SD_GATE(1, 1), + UNIPHIER_MIO_CLK_SD_GATE(2, 2), /* for PH1-Pro4 only */ + UNIPHIER_MIO_CLK_DMAC(7), + UNIPHIER_MIO_CLK_USB2(8, 0), + UNIPHIER_MIO_CLK_USB2(9, 1), + UNIPHIER_MIO_CLK_USB2(10, 2), + UNIPHIER_MIO_CLK_USB2(11, 3), /* for PH1-sLD3 only */ + UNIPHIER_MIO_CLK_USB2_PHY(12, 0), + UNIPHIER_MIO_CLK_USB2_PHY(13, 1), + UNIPHIER_MIO_CLK_USB2_PHY(14, 2), + UNIPHIER_MIO_CLK_USB2_PHY(15, 3), /* for PH1-sLD3 only */ + UNIPHIER_CLK_END }; -static const struct uniphier_clk_rate_data uniphier_mio_clk_rate[] = { - UNIPHIER_MIO_CLK_RATE_SD(0, 0), - UNIPHIER_MIO_CLK_RATE_SD(1, 1), - UNIPHIER_MIO_CLK_RATE_SD(2, 2), /* for PH1-Pro4 only */ +static const struct uniphier_clk_mux_data uniphier_mio_clk_mux[] = { + UNIPHIER_MIO_CLK_SD_MUX(0, 0), + UNIPHIER_MIO_CLK_SD_MUX(1, 1), + UNIPHIER_MIO_CLK_SD_MUX(2, 2), /* for PH1-Pro4 only */ + UNIPHIER_CLK_END }; -const struct uniphier_clk_soc_data uniphier_mio_clk_data = { +const struct uniphier_clk_data uniphier_mio_clk_data = { .gate = uniphier_mio_clk_gate, - .nr_gate = ARRAY_SIZE(uniphier_mio_clk_gate), - .rate = uniphier_mio_clk_rate, - .nr_rate = ARRAY_SIZE(uniphier_mio_clk_rate), + .mux = uniphier_mio_clk_mux, }; |