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clk: en7523: fix rate divider for slic and spi clocks

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[ Upstream commit 58c53d4314 ]

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: 1e62731791 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2024-06-17 11:25:49 +02:00 committed by Greg Kroah-Hartman
parent b5bdb36e7c
commit f6f2e9c208
1 changed files with 7 additions and 2 deletions
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9
drivers/clk/clk-en7523.c
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@ -57,6 +57,7 @@ struct en_clk_desc {
u8 div_shift;
u16 div_val0;
u8 div_step;
u8 div_offset;
};
struct en_clk_gate {
@ -90,6 +91,7 @@ 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",
@ -103,6 +105,7 @@ 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",
@ -116,6 +119,7 @@ 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",
@ -156,13 +160,14 @@ 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),
}
@ -202,7 +207,7 @@ 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)