From 44b06a76ad330f327fe2366472a83d7d1d06d86e Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Thu, 2 May 2019 23:25:00 +0200 Subject: [PATCH] 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 Signed-off-by: Stephen Boyd --- drivers/clk/ingenic/jz4770-cgu.c | 34 ++++++++++++++++++++++++++++------ 1 file 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 */ -- 2.11.0