diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2019-05-03 00:25:00 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2019-06-07 21:49:00 +0300 |
| commit | 44b06a76ad330f327fe2366472a83d7d1d06d86e (patch) | |
| tree | ad5a6bad4ec6a9de0290726880b483e6bf6634bb /drivers/clk/ingenic | |
| parent | 2a1a703635a01a98d36cd5c8079dd49c1e006cf6 (diff) | |
| download | linux-44b06a76ad330f327fe2366472a83d7d1d06d86e.tar.xz | |
clk: ingenic/jz4770: Fix incorrect dividers for main clocks
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>
Diffstat (limited to 'drivers/clk/ingenic')
| -rw-r--r-- | drivers/clk/ingenic/jz4770-cgu.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/clk/ingenic/jz4770-cgu.c b/drivers/clk/ingenic/jz4770-cgu.c index dfce740c25a8..2a29da442a8e 100644 --- a/drivers/clk/ingenic/jz4770-cgu.c +++ b/drivers/clk/ingenic/jz4770-cgu.c @@ -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 */ |