diff options
Diffstat (limited to 'drivers/clk/ingenic/jz4725b-cgu.c')
| -rw-r--r-- | drivers/clk/ingenic/jz4725b-cgu.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/drivers/clk/ingenic/jz4725b-cgu.c b/drivers/clk/ingenic/jz4725b-cgu.c index 8901ea0295b7..2642d36d1e2c 100644 --- a/drivers/clk/ingenic/jz4725b-cgu.c +++ b/drivers/clk/ingenic/jz4725b-cgu.c @@ -11,6 +11,7 @@ #include <linux/of.h> #include <dt-bindings/clock/jz4725b-cgu.h> #include "cgu.h" +#include "pm.h" /* CGU register offsets */ #define CGU_REG_CPCCR 0x00 @@ -33,6 +34,14 @@ static const s8 pll_od_encoding[4] = { 0x0, 0x1, -1, 0x3, }; +static const u8 jz4725b_cgu_cpccr_div_table[] = { + 1, 2, 3, 4, 6, 8, +}; + +static const u8 jz4725b_cgu_pll_half_div_table[] = { + 2, 1, +}; + static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = { /* External clocks */ @@ -66,37 +75,55 @@ static const struct ingenic_cgu_clk_info jz4725b_cgu_clocks[] = { [JZ4725B_CLK_PLL_HALF] = { "pll half", CGU_CLK_DIV, .parents = { JZ4725B_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 21, 1, 1, -1, -1, -1 }, + .div = { + CGU_REG_CPCCR, 21, 1, 1, -1, -1, -1, + jz4725b_cgu_pll_half_div_table, + }, }, [JZ4725B_CLK_CCLK] = { "cclk", CGU_CLK_DIV, .parents = { JZ4725B_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, + jz4725b_cgu_cpccr_div_table, + }, }, [JZ4725B_CLK_HCLK] = { "hclk", CGU_CLK_DIV, .parents = { JZ4725B_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, + jz4725b_cgu_cpccr_div_table, + }, }, [JZ4725B_CLK_PCLK] = { "pclk", CGU_CLK_DIV, .parents = { JZ4725B_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, + jz4725b_cgu_cpccr_div_table, + }, }, [JZ4725B_CLK_MCLK] = { "mclk", CGU_CLK_DIV, .parents = { JZ4725B_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, + jz4725b_cgu_cpccr_div_table, + }, }, [JZ4725B_CLK_IPU] = { "ipu", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4725B_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1 }, + .div = { + CGU_REG_CPCCR, 16, 1, 4, 22, -1, -1, + jz4725b_cgu_cpccr_div_table, + }, .gate = { CGU_REG_CLKGR, 13 }, }, @@ -227,5 +254,7 @@ static void __init jz4725b_cgu_init(struct device_node *np) retval = ingenic_cgu_register_clocks(cgu); if (retval) pr_err("%s: failed to register CGU Clocks\n", __func__); + + ingenic_cgu_register_syscore_ops(cgu); } CLK_OF_DECLARE(jz4725b_cgu, "ingenic,jz4725b-cgu", jz4725b_cgu_init); |