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clk: ingenic/jz4770: Fix incorrect dividers for main clocks

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The main clocks (cclk, h0clk, h1clk, h2clk, c1clk, pclk) were using
incorrect dividers, and thus reported an incorrect rate.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Paul Cercueil 2019-05-02 23:25:00 +02:00 committed by Stephen Boyd
parent 2a1a703635
commit 44b06a76ad
1 changed files with 28 additions and 6 deletions
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34
drivers/clk/ingenic/jz4770-cgu.c
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@ -87,6 +87,10 @@ static const s8 pll_od_encoding[8] = {
0x0, 0x1, -1, 0x2, -1, -1, -1, 0x3,
};
static const u8 jz4770_cgu_cpccr_div_table[] = {
1, 2, 3, 4, 6, 8, 12,
};
static const struct ingenic_cgu_clk_info jz4770_cgu_clocks[] = {
/* External clocks */
@ -144,34 +148,52 @@ static const struct ingenic_cgu_clk_info jz4770_cgu_clocks[] = {
[JZ4770_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
},
[JZ4770_CLK_H0CLK] = {
"h0clk", CGU_CLK_DIV,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
},
[JZ4770_CLK_H1CLK] = {
"h1clk", CGU_CLK_DIV | CGU_CLK_GATE,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 24, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 24, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
.gate = { CGU_REG_CLKGR1, 7 },
},
[JZ4770_CLK_H2CLK] = {
"h2clk", CGU_CLK_DIV,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
},
[JZ4770_CLK_C1CLK] = {
"c1clk", CGU_CLK_DIV | CGU_CLK_GATE,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
.gate = { CGU_REG_OPCR, 31, true }, // disable CCLK stop on idle
},
[JZ4770_CLK_PCLK] = {
"pclk", CGU_CLK_DIV,
.parents = { JZ4770_CLK_PLL0, },
.div = { CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1,
jz4770_cgu_cpccr_div_table,
},
},
/* Those divided clocks can connect to PLL0 or PLL1 */