diff options
Diffstat (limited to 'drivers/clk/xilinx')
| -rw-r--r-- | drivers/clk/xilinx/clk-xlnx-clock-wizard.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c index 1e0818eb0435..61c40e06e381 100644 --- a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c +++ b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c @@ -44,6 +44,8 @@ #define WZRD_DR_INIT_REG_OFFSET 0x25C #define WZRD_DR_DIV_TO_PHASE_OFFSET 4 #define WZRD_DR_BEGIN_DYNA_RECONF 0x03 +#define WZRD_DR_BEGIN_DYNA_RECONF_5_2 0x07 +#define WZRD_DR_BEGIN_DYNA_RECONF1_5_2 0x02 #define WZRD_USEC_POLL 10 #define WZRD_TIMEOUT_POLL 1000 @@ -165,7 +167,9 @@ static int clk_wzrd_dynamic_reconfig(struct clk_hw *hw, unsigned long rate, goto err_reconfig; /* Initiate reconfiguration */ - writel(WZRD_DR_BEGIN_DYNA_RECONF, + writel(WZRD_DR_BEGIN_DYNA_RECONF_5_2, + divider->base + WZRD_DR_INIT_REG_OFFSET); + writel(WZRD_DR_BEGIN_DYNA_RECONF1_5_2, divider->base + WZRD_DR_INIT_REG_OFFSET); /* Check status register */ @@ -224,7 +228,7 @@ static int clk_wzrd_dynamic_reconfig_f(struct clk_hw *hw, unsigned long rate, struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw); void __iomem *div_addr = divider->base + divider->offset; - rate_div = ((parent_rate * 1000) / rate); + rate_div = DIV_ROUND_DOWN_ULL(parent_rate * 1000, rate); clockout0_div = rate_div / 1000; pre = DIV_ROUND_CLOSEST((parent_rate * 1000), rate); @@ -246,7 +250,9 @@ static int clk_wzrd_dynamic_reconfig_f(struct clk_hw *hw, unsigned long rate, return err; /* Initiate reconfiguration */ - writel(WZRD_DR_BEGIN_DYNA_RECONF, + writel(WZRD_DR_BEGIN_DYNA_RECONF_5_2, + divider->base + WZRD_DR_INIT_REG_OFFSET); + writel(WZRD_DR_BEGIN_DYNA_RECONF1_5_2, divider->base + WZRD_DR_INIT_REG_OFFSET); /* Check status register */ |