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clk: ingenic/jz4740: Fix incorrect dividers for main clocks 

The main clocks (cclk, hclk, pclk, mclk, lcd) 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>
alistair/sunxi64-5.4-dsi
Paul Cercueil 2019-05-02 23:24:59 +02:00 committed by Stephen Boyd
parent a9fa2893fc
commit 2a1a703635
1 changed files with 24 additions and 5 deletions
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29
drivers/clk/ingenic/jz4740-cgu.c
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@ -58,6 +58,10 @@ static const s8 pll_od_encoding[4] = {
0x0, 0x1, -1, 0x3,
};
static const u8 jz4740_cgu_cpccr_div_table[] = {
1, 2, 3, 4, 6, 8, 12, 16, 24, 32,
};
static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = {
/* External clocks */
@ -97,31 +101,46 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = {
[JZ4740_CLK_CCLK] = {
"cclk", CGU_CLK_DIV,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1,
jz4740_cgu_cpccr_div_table,
},
},
[JZ4740_CLK_HCLK] = {
"hclk", CGU_CLK_DIV,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1,
jz4740_cgu_cpccr_div_table,
},
},
[JZ4740_CLK_PCLK] = {
"pclk", CGU_CLK_DIV,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1,
jz4740_cgu_cpccr_div_table,
},
},
[JZ4740_CLK_MCLK] = {
"mclk", CGU_CLK_DIV,
.parents = { JZ4740_CLK_PLL, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1,
jz4740_cgu_cpccr_div_table,
},
},
[JZ4740_CLK_LCD] = {
"lcd", CGU_CLK_DIV | CGU_CLK_GATE,
.parents = { JZ4740_CLK_PLL_HALF, -1, -1, -1 },
.div = { CGU_REG_CPCCR, 16, 1, 5, 22, -1, -1 },
.div = {
CGU_REG_CPCCR, 16, 1, 5, 22, -1, -1,
jz4740_cgu_cpccr_div_table,
},
.gate = { CGU_REG_CLKGR, 10 },
},