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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2024-06-17 12:25:49 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2024-07-09 00:43:28 +0300 |
| commit | 58c53d43142f222221e5a76a7016c4d8f3b84b97 (patch) | |
| tree | 645686912222b755a01cc3d0ecb950ce58fe26cb /drivers/clk | |
| parent | bf288bd25d6232310abb81db417376ce460eb032 (diff) | |
| download | linux-58c53d43142f222221e5a76a7016c4d8f3b84b97.tar.xz | |
clk: en7523: fix rate divider for slic and spi clocks
Introduce div_offset field in en_clk_desc struct in order to fix rate
divider estimation in en7523_get_div routine for slic and spi fixed
rate clocks.
Moreover, fix base_shift for crypto clock.
Fixes: 1e6273179190 ("clk: en7523: Add clock driver for Airoha EN7523 SoC")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/c491bdea05d847f1f1294b94f14725d292eb95d0.1718615934.git.lorenzo@kernel.org
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-en7523.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c index e10c73c29ee2..22fbea61c3dc 100644 --- a/drivers/clk/clk-en7523.c +++ b/drivers/clk/clk-en7523.c @@ -62,6 +62,7 @@ struct en_clk_desc { u8 div_shift; u16 div_val0; u8 div_step; + u8 div_offset; }; struct en_clk_gate { @@ -106,6 +107,7 @@ static const struct en_clk_desc en7523_base_clks[] = { .div_bits = 3, .div_shift = 0, .div_step = 1, + .div_offset = 1, }, { .id = EN7523_CLK_EMI, .name = "emi", @@ -119,6 +121,7 @@ static const struct en_clk_desc en7523_base_clks[] = { .div_bits = 3, .div_shift = 0, .div_step = 1, + .div_offset = 1, }, { .id = EN7523_CLK_BUS, .name = "bus", @@ -132,6 +135,7 @@ static const struct en_clk_desc en7523_base_clks[] = { .div_bits = 3, .div_shift = 0, .div_step = 1, + .div_offset = 1, }, { .id = EN7523_CLK_SLIC, .name = "slic", @@ -172,13 +176,14 @@ static const struct en_clk_desc en7523_base_clks[] = { .div_bits = 3, .div_shift = 0, .div_step = 1, + .div_offset = 1, }, { .id = EN7523_CLK_CRYPTO, .name = "crypto", .base_reg = REG_CRYPTO_CLKSRC, .base_bits = 1, - .base_shift = 8, + .base_shift = 0, .base_values = emi_base, .n_base_values = ARRAY_SIZE(emi_base), } @@ -281,7 +286,7 @@ static u32 en7523_get_div(void __iomem *base, int i) if (!val && desc->div_val0) return desc->div_val0; - return (val + 1) * desc->div_step; + return (val + desc->div_offset) * desc->div_step; } static int en7523_pci_is_enabled(struct clk_hw *hw) |