diff options
Diffstat (limited to 'arch/arm/mach-imx/clk-pllv3.c')
-rw-r--r-- | arch/arm/mach-imx/clk-pllv3.c | 72 |
1 files changed, 4 insertions, 68 deletions
diff --git a/arch/arm/mach-imx/clk-pllv3.c b/arch/arm/mach-imx/clk-pllv3.c index 36aac947bce1..d09bc3df9a7a 100644 --- a/arch/arm/mach-imx/clk-pllv3.c +++ b/arch/arm/mach-imx/clk-pllv3.c @@ -31,7 +31,6 @@ * @clk_hw: clock source * @base: base address of PLL registers * @powerup_set: set POWER bit to power up the PLL - * @gate_mask: mask of gate bits * @div_mask: mask of divider bits * * IMX PLL clock version 3, found on i.MX6 series. Divider for pllv3 @@ -41,7 +40,6 @@ struct clk_pllv3 { struct clk_hw hw; void __iomem *base; bool powerup_set; - u32 gate_mask; u32 div_mask; }; @@ -89,7 +87,7 @@ static int clk_pllv3_enable(struct clk_hw *hw) u32 val; val = readl_relaxed(pll->base); - val |= pll->gate_mask; + val |= BM_PLL_ENABLE; writel_relaxed(val, pll->base); return 0; @@ -101,7 +99,7 @@ static void clk_pllv3_disable(struct clk_hw *hw) u32 val; val = readl_relaxed(pll->base); - val &= ~pll->gate_mask; + val &= ~BM_PLL_ENABLE; writel_relaxed(val, pll->base); } @@ -287,66 +285,7 @@ static const struct clk_ops clk_pllv3_av_ops = { static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct clk_pllv3 *pll = to_clk_pllv3(hw); - u32 div = readl_relaxed(pll->base) & pll->div_mask; - - switch (div) { - case 0: - return 25000000; - case 1: - return 50000000; - case 2: - return 100000000; - case 3: - return 125000000; - } - - return 0; -} - -static long clk_pllv3_enet_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) -{ - if (rate >= 125000000) - rate = 125000000; - else if (rate >= 100000000) - rate = 100000000; - else if (rate >= 50000000) - rate = 50000000; - else - rate = 25000000; - return rate; -} - -static int clk_pllv3_enet_set_rate(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate) -{ - struct clk_pllv3 *pll = to_clk_pllv3(hw); - u32 val, div; - - switch (rate) { - case 25000000: - div = 0; - break; - case 50000000: - div = 1; - break; - case 100000000: - div = 2; - break; - case 125000000: - div = 3; - break; - default: - return -EINVAL; - } - - val = readl_relaxed(pll->base); - val &= ~pll->div_mask; - val |= div; - writel_relaxed(val, pll->base); - - return 0; + return 500000000; } static const struct clk_ops clk_pllv3_enet_ops = { @@ -355,8 +294,6 @@ static const struct clk_ops clk_pllv3_enet_ops = { .enable = clk_pllv3_enable, .disable = clk_pllv3_disable, .recalc_rate = clk_pllv3_enet_recalc_rate, - .round_rate = clk_pllv3_enet_round_rate, - .set_rate = clk_pllv3_enet_set_rate, }; static const struct clk_ops clk_pllv3_mlb_ops = { @@ -368,7 +305,7 @@ static const struct clk_ops clk_pllv3_mlb_ops = { struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, const char *parent_name, void __iomem *base, - u32 gate_mask, u32 div_mask) + u32 div_mask) { struct clk_pllv3 *pll; const struct clk_ops *ops; @@ -400,7 +337,6 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, ops = &clk_pllv3_ops; } pll->base = base; - pll->gate_mask = gate_mask; pll->div_mask = div_mask; init.name = name; |