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authorLorenzo Bianconi2024-06-17 11:25:49 +0200
committerStephen Boyd2024-07-08 14:43:28 -0700
commit58c53d43142f222221e5a76a7016c4d8f3b84b97 (patch)
tree645686912222b755a01cc3d0ecb950ce58fe26cb /drivers/clk
parentbf288bd25d6232310abb81db417376ce460eb032 (diff)
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.c9
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)